CN207173312U - A kind of rail vehicle and its pantograph system - Google Patents
A kind of rail vehicle and its pantograph system Download PDFInfo
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- CN207173312U CN207173312U CN201721021789.4U CN201721021789U CN207173312U CN 207173312 U CN207173312 U CN 207173312U CN 201721021789 U CN201721021789 U CN 201721021789U CN 207173312 U CN207173312 U CN 207173312U
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- pantograph
- air bag
- bow
- mounting seat
- rising bow
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Abstract
The utility model discloses a kind of pantograph system for rail vehicle, including pantograph body and chassis, also include force snesor, acceleration transducer and controller, for receiving the Vertical Acceleration of the bow net contact power that force snesor monitors in real time and the pantograph body that acceleration transducer monitors in real time, and the rising bow air pressure that rising bow air bag should export and the mounting seat air pressure that mounting seat air bag should export based on fuzzy adaptive algorithm the bow net contact power and Vertical Acceleration that receive is calculated；Be connected with controller, to according to rising bow air pressure and mounting seat air pressure respectively to the air pressure output section of rising bow air bag and mounting seat air bag output pressure.The invention also discloses a kind of rail vehicle for including above-mentioned pantograph system.Above-mentioned pantograph system, it is possible to reduce vibration, influence of the noise to guest room caused by pantograph；The appearance of pantograph fatigue cracking phenomenon can also be reduced simultaneously, improve its service life.
Description
Technical field
Rail vehicle technical field is the utility model is related to, more particularly to a kind of rail vehicle and its pantograph system.
Background technology
One of the travel pattern of track traffic as global traffic most sustainable development, with freight volume is big, speed is fast, green
Color, it is environmentally friendly the features such as, but either locomotive, or EMUs, or be the railway transportation equipments such as subway, its all kinetic energy
It both is from pantagraph current collector --- pantograph；Therefore, the quality of pantograph performance directly determines the globality of railway transportation equipment
Energy, it is the kernel component of railway transportation equipment.Traditional pantograph is easy under the coupling of high velocity air and Wheel Rail Vibration
Phenomena such as generation is offline, fatigue cracking, and vibration caused by pantograph can be directly delivered to car body, caused noise can be directly
It is delivered to in-car；Therefore, urgently studied at present in improvement pantograph performance, lifting in terms of by family status matter.
Utility model content
The purpose of this utility model is to provide a kind of rail vehicle and its pantograph system, it is possible to reduce caused by pantograph
Vibration, influence of the noise to guest room；The appearance of pantograph fatigue cracking phenomenon can also be reduced simultaneously, improve its service life.
To achieve the above object, the utility model provides a kind of pantograph system for rail vehicle, including pantograph
Body and the chassis for being used to be connected with the roof of rail vehicle located at the pantograph body bottom portion, the pantograph body lead to
Cross rising bow air bag and realize that rising bow is bent with drop, in addition to the mounting seat air bag located at the chassis bottom；Also include：
Located at the pantograph body, monitoring the force snesor of bow net contact power and to monitor the pantograph
The acceleration transducer of the Vertical Acceleration of body；
The controller being connected with the force snesor and the acceleration transducer, it is real-time for receiving the force snesor
The vertical vibration for the pantograph body that the bow net contact power of monitoring and the acceleration transducer monitor in real time accelerates
Degree, and the rising bow gas is calculated to the bow net contact power and Vertical Acceleration that receive based on fuzzy adaptive algorithm
The mounting seat air pressure that the rising bow air pressure and the mounting seat air bag that capsule should export should export；
Be connected with the controller, to according to rising bow air pressure and mounting seat air pressure respectively to the rising bow air bag and described
The air pressure output section of mounting seat air bag output pressure.
Relative to above-mentioned background technology, bow net easily occurs in the process of running for train especially high speed, heavy haul train
Offline, the high real background of pantograph fatigue cracking, the vibration of pantograph area guest room, noise, the utility model proposes one kind to be based on
The active pantograph system of fuzzy adaptivecontroller；The system is made up of pantograph body and controller, wherein pantograph body
Flexible installing can carry out Self Adaptive Control compensation according to pantograph Vibration Condition, reduce in roof, flexible installing seat internal pressure
Vibration, influence of the noise to guest room caused by pantograph；Meanwhile the flexible connection between pantograph and car body, greatly reduce
Rigidity vibration, impact coupling between pantograph and car body, reduce the appearance of pantograph fatigue cracking phenomenon, improve
Pantograph service life；In addition, pantograph rising bow air bag can adjust internal pressure in real time, so as to realize rising bow pressure it is real-time
Line is adjusted, and to realize the Optimum Matching of bow net pressure, reduces the generation of offline event；Pantograph flexible installing seat internal pressure and
The regulation of rising bow gasbag pressure by controller based on the sensor signal obtained in pantograph, and according to the mould of its inner setting
Self-adaptive fuzzy control algolithm is completed.
Preferably, the pantograph body includes：
It is articulated with the pull bar of described chassis one end；
It is articulated with the lower arm rod of the chassis top surface；The lower arm rod is identical with the bearing of trend of the pull bar；
Top has bow and the upper armed lever being hinged with the lower arm rod；The upper armed lever is located at the lower arm rod and described
The top of pull bar, and be connected between the upper armed lever and the pull bar by swing rod；
One end is connected to the lower arm rod, the other end is connected to the balancing pole of the bow.
Preferably, two mounting seat air bags are symmetrically set in the both ends of the chassis；And/or
The rising bow air bag is located at the end of the lower arm rod and is installed on the top of the chassis.
Preferably, the air pressure output section includes rising bow air bag deferent segment and mounting seat air bag deferent segment, the rising bow gas
Capsule deferent segment and the mounting seat air bag deferent segment are provided with automatically controlled pressure regulator valve, preceding check valve and rear check valve along pipeline successively.
Preferably, the air pressure output section also includes：
Located at the front end of the rising bow air bag deferent segment and the mounting seat air bag deferent segment along pipeline be provided with filter and
Rising bow magnetic valve, the filter connect with air inlet.
Preferably, the rising bow air bag deferent segment and the mounting seat air bag deferent segment are equipped with positioned at the automatically controlled pressure regulation
Safety valve and pressure gauge between valve and the preceding check valve.
The utility model also provides a kind of rail vehicle, including car body, in addition to above the car body, any one institute
The pantograph system stated.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
The configuration diagram for the pantograph system that Fig. 1 is provided by the utility model embodiment；
The pantograph original state schematic diagram that Fig. 2 is provided by the utility model embodiment；
Fig. 3 is the pantograph floating state schematic diagram in Fig. 2；
The fuzzy adaptivecontroller flow chart for the pantograph system that Fig. 4 is provided by the utility model embodiment；
Simplified model schematic diagrames of the Fig. 5 between pantograph, contact net and car body；
The auto-adaptive control theory block diagram for the pantograph system that Fig. 6 is provided by the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
In order that those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and specifically
The utility model is described in further detail for embodiment.
It refer to Fig. 1 to Fig. 6, the configuration diagram for the pantograph system that Fig. 1 is provided by the utility model embodiment；Figure
The 2 pantograph original state schematic diagrames provided by the utility model embodiment；Fig. 3 is that the pantograph floating state in Fig. 2 shows
It is intended to；The fuzzy adaptivecontroller flow chart for the pantograph system that Fig. 4 is provided by the utility model embodiment；Fig. 5 is by electricity
Simplified model schematic diagram between bow, contact net and car body；The pantograph system that Fig. 6 is provided by the utility model embodiment
Auto-adaptive control theory block diagram.
A kind of pantograph system for rail vehicle provided by the utility model, mainly include pantograph body, chassis 2
With controller 9；Wherein, pantograph body includes pull bar 3, lower arm rod 4, upper armed lever 5, balancing pole 6, swing rod 35 and bow 7；By electricity
Bow body realizes that rising bow is bent with drop on the basis of chassis 2, and the bottom of chassis 2 has mounting seat air bag 1, and mounting seat air bag 1 is fixed
In roof, to slow down the impulsive force between pantograph body and roof；It is dynamic that rising bow air bag 8 can realize that rising bow is bent with drop
Make, as shown in Figure of description 1 to accompanying drawing 3.
The utility model is provided with force snesor and acceleration transducer on pantograph body；Force snesor bends to monitor
Net contact force, acceleration transducer is monitoring the Vertical Acceleration of the pantograph body；Force snesor and acceleration
Sensor connects controller 9, namely controller 9 is according to attitude transducer (force snesor and the acceleration installed in pantograph body
Spend sensor) acquired in pantograph attitude data (bow net contact power, pantograph vertical vibration acceleration) as input, use
Self Adaptive Control rule, rising bow gasbag pressure is controlled with reference to FUZZY ALGORITHMS FOR CONTROL in real time, it is produced and preferable bow net dynamics
The bow net contact pressure that model matches, ensure bow net good contact.
Specifically, the operation principle block diagram of fuzzy adaptive controller is therein adaptive as shown in Figure of description 4
Control principle is based on body powered and bow net dynamics, kinetic model such as explanation between pantograph and contact net and car body
Shown in book accompanying drawing 5.According to the simplified model shown in Figure of description 5, bow net kinetic model can be obtained and be shown below：
Wherein, the m in formula1、m2The respectively equivalent mass of bow and the equivalent mass of pantograph framework；k1、c1Respectively
The equivalent stiffness coefficients and damped coefficient of contact net at bow net contact point；k2、c2Respectively the stiffness coefficient of bow suspension and
Damped coefficient；k3、c3Equivalent stiffness coefficients and Equivalent damping coefficient respectively between pantograph and roof；z1、z2Respectively quality
The Lagrangian quantity of state of block；z3=z1+z2, Fs, Fc are that the input pressure of rising bow air bag and pantograph base air bag input respectively
Pressure.
Herein, regard contact net as rigidity variable elastic system, therefore the rigidity conversion Fourier of contact net can be obtained
Expression formula is as follows：
c1(t)=c10(1+λc cos(2π·x(t)/L)))
k1(t)=k10(1+λk cos(2π·x(t)/L)))
It is as follows that summary formula can further obtain bow net kinetic model：
Above formula is denoted as follows in the form of vectors：
Wherein：
Fs=K (t) ω+F (t) Zn
If meet that the bow net kinetic model of bow net ideal trace performance is as follows：
Then the error of adaptive controller can be expressed as：
By adjusting error term e Pantograph-OCS system can be made to be intended to preferable bow net kinetic model in real time, that is, met optimal
Bow net contact state；The logic diagram of adaptive controller is as shown in Figure 6.
When controller 9 is calculated the rising bow air pressure that rising bow air bag 8 should export and mounting seat air bag 1 should export
After mounting seat air pressure, it can be exported respectively to rising bow air bag 8 and mounting seat air bag 1 using air pressure output section each corresponding
Pressure, realize the flexible connection of pantograph and car body and the real-time optimization regulation of bow net contact pressure.That is, the pantograph obtained
Attitude data (bow net contact power, pantograph vertical vibration acceleration) is converted into above-mentioned formula (1) as known quantity, so as to count
Calculation obtains Fs and Fc, obtains the rising bow air pressure Fs that rising bow air bag 8 should export and the mounting seat that mounting seat air bag 1 should export
Air pressure Fc.
In Figure of description 4, adaptive controller and fuzzy controller are controller 9 herein, and rising bow controls
System is air pressure output section herein；Controller 9 and the specific set-up mode of air pressure output section may be referred to existing skill
Art.Certainly, in order to obtain the rising bow air pressure that rising bow air bag 6 should export and the mounting seat gas that mounting seat air bag 1 should export
Pressure, can also use other fuzzy adaptive algorithms of the prior art, with both bow net contact power and Vertical Acceleration
As input, rising bow air pressure and mounting seat air pressure reduce vibration caused by pantograph, noise to the shadow of guest room as output
Ring.
For the shape design of pantograph body, as shown in specification attached 2 and accompanying drawing 3, the right-hand member of pull bar 3 is articulated with chassis
2 left end, there is swing rod 35 between the left end of pull bar 3 and upper armed lever 5, the right-hand member of lower arm rod 4 is articulated with the upper surface of chassis 2,
The left end of lower arm rod 4 is articulated with the lower surface of armed lever 5, and lower arm rod 4 is identical with the bearing of trend of pull bar 3, and both are substantially flat
OK, there is bow 7, and the lower section of upper armed lever 5 is additionally provided with balancing pole 6, one end connection of balancing pole 6 at the top of the right-hand member of upper armed lever 5
Bow 7 is connected in lower arm rod 4, the other end；Two mounting seat air bags 1 can be symmetrically set in the both ends of the bottom of chassis 2, to realize
The rising bow air bag 8 of pantograph body lifting can be arranged at the end of lower arm rod 4, namely accompanying drawing 2 and the right-hand member shown in accompanying drawing 3,
And rising bow air bag 8 is located at the upper end of chassis 2；Certainly, other can also set according to actual conditions, the shape design of pantograph body
Put mode, however it is not limited to described herein.
The specific set-up mode of air pressure output section is as shown in Figure of description 1, including rising bow air bag deferent segment and mounting seat
Air bag deferent segment, wherein rising bow air bag deferent segment are including single after check valve 151 and first before the first automatically controlled pressure regulator valve 121, first
To valve 161, side of the check valve 161 along air-flow in gas circuit after check valve 151 and first before the first automatically controlled pressure regulator valve 121, first
To setting gradually, namely set from right to left in accompanying drawing 1；Therewith similarly, mounting seat air bag deferent segment includes the second automatically controlled tune
Check valve 162 after check valve 152 and second before pressure valve 122, second, the and of check valve 152 before the second automatically controlled pressure regulator valve 122, second
Direction of the check valve 162 along air-flow in gas circuit is set gradually after second, namely is set from right to left in accompanying drawing 1.
The first safety valve 131 and the first pressure are also provided with before first automatically controlled pressure regulator valve 121 and first between check valve 151
Power table 141；The second safety valve 132 and the second pressure are also provided with before second automatically controlled pressure regulator valve 122 and second between check valve 152
Power table 142；Filter 10 and rising bow magnetic valve 11, and mistake are additionally provided with before rising bow air bag deferent segment and mounting seat air bag deferent segment
Filter 10 connects with air inlet.
Its course of work approximately as：
First, for train under static non-rising bow state, controllable mounting seat, rising bow air bag are in off working state, rise
Bow controller power-off does not work；
ON TRAINS after electricity, after detecting operation end signal, corresponding controller 9 is devoted oneself to work, and compressed air is led to successively
Cross before rising bow magnetic valve 11, the second automatically controlled pressure regulator valve 122, second that check valve 162 reaches mounting seat gas after check valve 152, second
Capsule 1, pantograph is set to be in " floating " non-rising bow state；
After rising bow instruction is received, compressed air passes sequentially through rising bow magnetic valve 11, the first automatically controlled pressure regulator valve 121, first
Check valve 161 reaches rising bow air bag after preceding check valve 151, first, pantograph is risen to working depth；
Meanwhile controller 9 adjusts rising bow gasbag pressure in real time also according to information such as the pantograph attitude transducers obtained,
To adapt to vibration environment residing for pantograph, ensure bow net contact power in optimal level.
After drop bow instruction is obtained, it is single before check valve 161, first after first that controller 9 controls compressed air to pass through with this
To valve 151, the first automatically controlled pressure regulator valve 121, from the row of rising bow magnetic valve 11 to air, pantograph realizes chopper bar.
After operating side power-off signal is obtained, controller 9 controls compressed air to pass through check valve 162 after second, the with this
Check valve 152, the second automatically controlled pressure regulator valve 122 before two, from the row of rising bow magnetic valve 11 to air, pantograph realizes power-off inoperative shape
State.In addition to this it is possible to set ADD feedback ports, it is connected with pressure switch 17.
A kind of rail vehicle with the pantograph system being arranged on car body provided by the utility model, including it is upper
State the pantograph system described by specific embodiment；The other parts of rail vehicle are referred to prior art, no longer open up herein
Open.
A kind of rail vehicle and its pantograph system proposed by the present invention, compared to traditional pantograph, have the following
Advantage：
First, pantograph system greatly reduces pantograph because of high speed gas by controllable mounting seat flexible installing in roof
Propagation of the vibration and noise caused by stream by car body into guest room, improves vehicle vibration environment, improves pantograph region
Acoustic quality.
Secondly, pantograph system avoid between pantograph and car body just-just couple, greatly reduce its coupled vibrations
The pantograph fatigue cracking triggered, improves pantograph service life.
Finally, pantograph system can be according to the pantograph posture acquired in the attitude transducer installed in pantograph body
Data (bow net contact power, pantograph vertical vibration acceleration) are as input, using the Self Adaptive Control rule of proposition, with reference to mould
Fuzzy control algorithm controls rising bow gasbag pressure in real time, it is produced the bow net contact pressure to match with preferable bow net kinetic model
Power, ensure bow net good contact.
It should be noted that in this manual, such as first and second etc relational terms are used merely to one
Entity makes a distinction with other several entities, and not necessarily require or imply between these entities exist it is any this actual
Relation or order.
Rail vehicle provided by the utility model and its pantograph system are described in detail above.Herein should
Principle of the present utility model and embodiment are set forth with specific case, the explanation of above example is only intended to help
Assistant solves method and its core concept of the present utility model.It should be pointed out that for those skilled in the art,
On the premise of the utility model principle is not departed from, some improvement and modification, these improvement can also be carried out to the utility model
Also fallen into modification in the protection domain of the utility model claims.
Claims (7)
1. a kind of pantograph system for rail vehicle, including pantograph body and used located at the pantograph body bottom portion
The chassis (2) being connected in the roof with rail vehicle, the pantograph body realize that rising bow is bent with drop by rising bow air bag (8),
Also include the mounting seat air bag (1) located at the chassis (2) bottom；Characterized in that, also include：
Located at the pantograph body, monitoring the force snesor of bow net contact power and to monitor the pantograph body
Vertical Acceleration acceleration transducer；
The controller (9) being connected with the force snesor and the acceleration transducer, it is real-time for receiving the force snesor
The vertical vibration for the pantograph body that the bow net contact power of monitoring and the acceleration transducer monitor in real time accelerates
Degree, and the rising bow gas is calculated to the bow net contact power and Vertical Acceleration that receive based on fuzzy adaptive algorithm
The mounting seat air pressure that the rising bow air pressure and the mounting seat air bag (1) that capsule (8) should export should export；
Be connected with the controller (9), to according to rising bow air pressure and mounting seat air pressure respectively to the rising bow air bag (8) and institute
State the air pressure output section of mounting seat air bag (1) output pressure.
2. pantograph system according to claim 1, it is characterised in that the pantograph body includes：
It is articulated with the pull bar (3) of the chassis (2) one end；
It is articulated with the lower arm rod (4) of the chassis (2) upper surface；The lower arm rod (4) and the bearing of trend phase of the pull bar (3)
Together；
Top has bow (7) and the upper armed lever (5) being hinged with the lower arm rod (4)；The upper armed lever (5) is located at the underarm
The top of bar (4) and the pull bar (3), and be connected between the upper armed lever (5) and the pull bar (3) by swing rod (35)；
One end is connected to the lower arm rod (4), the other end is connected to the balancing poles (6) of the bow (7).
3. pantograph system according to claim 2, it is characterised in that two mounting seat air bags (1) are symmetrically set in
The both ends of the chassis (2)；And/or
The rising bow air bag (8) is located at the end of the lower arm rod (4) and is installed on the top of the chassis (2).
4. according to the pantograph system described in claims 1 to 3 any one, it is characterised in that the air pressure output section includes
Rising bow air bag deferent segment and mounting seat air bag deferent segment, the rising bow air bag deferent segment and the mounting seat air bag deferent segment according to
It is secondary to be provided with automatically controlled pressure regulator valve, preceding check valve and rear check valve along pipeline.
5. pantograph system according to claim 4, it is characterised in that the air pressure output section also includes：
Located at the front end of the rising bow air bag deferent segment and the mounting seat air bag deferent segment filter and rising bow are provided with along pipeline
Magnetic valve, the filter connect with air inlet.
6. pantograph system according to claim 5, it is characterised in that the rising bow air bag deferent segment and the mounting seat
Air bag deferent segment is equipped with safety valve and pressure gauge between the automatically controlled pressure regulator valve and the preceding check valve.
7. a kind of rail vehicle, including car body, it is characterised in that also include above the car body, such as claim 1 to 6
Pantograph system described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721021789.4U CN207173312U (en) | 2017-08-15 | 2017-08-15 | A kind of rail vehicle and its pantograph system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721021789.4U CN207173312U (en) | 2017-08-15 | 2017-08-15 | A kind of rail vehicle and its pantograph system |
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| Publication Number | Publication Date |
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| CN207173312U true CN207173312U (en) | 2018-04-03 |
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ID=61741051
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556636A (en) * | 2018-06-29 | 2018-09-21 | 成都西交金测智能科技有限公司 | A kind of pantograph closed-loop control system |
| 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 |
| CN110549857A (en) * | 2019-09-12 | 2019-12-10 | 西南交通大学 | Active control device and control method for pantograph |
| CN110686722A (en) * | 2018-07-06 | 2020-01-14 | 斯凯孚公司 | Monitoring device for an electrical rail system and/or for a current collector of a rail system |
-
2017
- 2017-08-15 CN CN201721021789.4U patent/CN207173312U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556636A (en) * | 2018-06-29 | 2018-09-21 | 成都西交金测智能科技有限公司 | A kind of pantograph closed-loop control system |
| CN108556636B (en) * | 2018-06-29 | 2024-01-26 | 成都西交金测智能科技有限公司 | Pantograph closed-loop control system |
| CN110686722A (en) * | 2018-07-06 | 2020-01-14 | 斯凯孚公司 | Monitoring device for an electrical rail system and/or for a current collector of a rail system |
| 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 |
| CN110549857A (en) * | 2019-09-12 | 2019-12-10 | 西南交通大学 | Active control device and control method for pantograph |
| CN110549857B (en) * | 2019-09-12 | 2022-10-04 | 西南交通大学 | Active control device and control method for pantograph |
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