CN102490731A - Urban rail vehicle tread sweeping control method - Google Patents
Urban rail vehicle tread sweeping control method Download PDFInfo
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- CN102490731A CN102490731A CN2011103826522A CN201110382652A CN102490731A CN 102490731 A CN102490731 A CN 102490731A CN 2011103826522 A CN2011103826522 A CN 2011103826522A CN 201110382652 A CN201110382652 A CN 201110382652A CN 102490731 A CN102490731 A CN 102490731A
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Abstract
The invention discloses an urban rail vehicle tread sweeping control method. With the present invention, the braking characteristics of the modern urban rail vehicles are considered, and a fixed number of pure friction braking are exerted to achieve the tread sweeping function. According to the method, a vehicle control system is adopted to manage, when the braking initial velocity exceeds the set value, the electric braking is forcibly switched off, such that the vehicle adopts the pure friction braking to stop the vehicle so as to achieve the tread sweeping purpose. According to the present invention, the number of sweeping braking in each day can be set according to the field requirements; when the required number of the pure friction braking of the train is completed, the train turns into the normal operation mode, and adopts the following manner to brake, wherein the manner comprises: adopting the electric braking as the main baking manner, and adopting the friction braking as the supplement baking manner.
Description
Technical field
The invention belongs to city rail vehicle control of braking field, be specially a kind of city rail vehicle tread cleaning control method, be mainly used in the tread cleaning control of city rail vehicle.
Background technology
The cleaning of the tread of city rail vehicle is that the friction through wheel tread and brake shoe realizes.
Present domestic city rail vehicle comprises vehicle control system, electrical brake system and friction braking system.Generally be employed in the method that each glancing impact applies a slight tread cleaning air pressure (friction braking) and realize the tread cleaning.City rail vehicle is that electric braking is preferential the common employing of glancing impact, the mode that friction braking is replenished.Along with development of technology, only electric braking can satisfy the demand of car brakeing power, need not replenish friction braking.Therefore, all apply tread cleaning air pressure (friction brake force), can't make full use of the electric braking ability, reduced the energy that regenerative brake feeds back to electrical network, correspondingly also cause the abrasion of wheel tread and brake shoe at each glancing impact.
Summary of the invention
In order to make full use of the electric braking ability, reduce the abrasion of wheel tread and brake shoe, the present invention aims to provide a kind of city rail vehicle tread cleaning brake control method, this method can be on the basis of realizing the tread cleaning function actv. reduce the abrasion of wheel and brake shoe.
To achieve these goals, the technical scheme of the present invention's employing is:
A kind of city rail vehicle tread cleaning control method, this city rail vehicle comprises vehicle control system, electrical brake system, friction braking system and management system; Its controlled step is:
1) vehicle control system replacement " cleaning braking " number of times is 0, and begins the accumulative total cleaning braking number of times on the same day, vehicle entering cleaning braking mode;
2) in the cleaning braking mode, when car speed greater than setting speed, and braking instruction is when effective, the electric braking force of vehicle control system restriction electrical brake system output is zero; Friction braking system receives after electric braking force that vehicle applies is zero, replenishes corresponding friction brake force, after vehicle stops; Vehicle control system restriction electrical brake system adds 1 with " cleaning braking " number of times, and when the cleaning braking number of times of vehicle control system accumulative total reached set point number, the cleaning braking on the same day was accomplished; Vehicle withdraws from the cleaning braking mode; Vehicle control system is removed the restriction of electric braking force, gets into normal operation mode, until withdrawing from operation;
3) in the cleaning braking mode, when car speed is lower than setting speed, and braking instruction is when effective, and vehicle control system does not limit the electric braking ability of electrical brake system output, and electrical brake system is preferentially brought into play braking force, and friction braking system replenishes remaining braking force; After vehicle stopped, vehicle control system " cleaning braking " number of times did not increase.
Further, said " cleaning braking " set point number is three times, and when the number of times of " cleaning braking " reached three times, the cleaning braking on the same day was accomplished, and vehicle withdraws from the cleaning braking mode.
Set vehicle speed according to the invention is 55km/h.
Nationality is by said method, and this city rail vehicle has an electrical brake system and a friction braking system at least, and a management system.
The initial velocity that at first definite braking applies adopts the method for the friction braking (cleaning braking) that applies regulation to reach the effect that tread cleans.
Calculate the required braking force that applies of vehicle by management system, and control electric braking and the friction braking size of the braking force of required performance separately.
Every day, management system was calculated the number of times that applies of cleaning braking on the same day, carried out 3 cleaning brakings every day.
The train speed of management system during according to the vehicle brake activation judges whether this time braking reaches the requirement that the cleaning braking applies.When train braking initial velocity during greater than 55km/h, management system is cleaned retrosequence.Be the needed braking force of management system train effective, and control electric braking do not allow to bring into play braking force, needed braking force is applied by friction braking fully.
When accomplishing 3 cleaning braking backs, no longer cleaned braking the same day.
Compared with prior art, the invention has the beneficial effects as follows: the present invention's actv. on the basis of realizing the tread cleaning function reduces the abrasion of wheel and brake shoe, is mainly used in the tread cleaning control of city rail vehicle.
Description of drawings
Fig. 1 is the control flow chart of an embodiment of the present invention.
The specific embodiment
Vehicle configuration with commonly used at present is example, and is as shown in Figure 1, and present embodiment provides a kind of control method of tread cleaning braking.
When time on the vehicle network in the morning 6 time, vehicle control system (VCU) " cleaning braking " number of times of resetting is 0, and begins the accumulative total cleaning braking number of times on the same day, and vehicle gets into the cleaning braking mode.
In the cleaning braking mode, when car speed greater than 55km/h, and braking instruction is when effective, the electric braking of VCU restriction electrical brake system (DCU) output is zero.After friction braking system (BCU) receives the electric braking force (equalling zero) that vehicle applies, replenish corresponding friction brake force (being equivalent to pure friction braking this moment).After vehicle stopped, VCU " cleaning braking " number of times added 1.
If car speed is lower than 55km/h, and braking instruction is when effective, and VCU does not limit the electric braking ability of DCU output, and this moment is the same during as normal operation, and electric braking is preferentially brought into play, and friction braking is replenished the braking force that is left.Vehicle stops back VCU " cleaning braking " number of times not to be increased.
When the cleaning braking number of times of VCU accumulative total reached 3 times, the cleaning braking on the same day was accomplished, and vehicle withdraws from the cleaning braking mode.VCU removes the restriction of electric braking force, and vehicle gets into normal operation mode, until withdrawing from operation.
The content that the foregoing description is illustrated is to be understood that to these embodiment and only is used to be illustrated more clearly in the present invention; And be not used in the restriction scope of the present invention; After having read the present invention, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
Claims (3)
1. a city rail vehicle tread cleans control method, it is characterized in that controlled step is:
1) vehicle control system replacement " cleaning braking " number of times is 0, and begins the accumulative total cleaning braking number of times on the same day, vehicle entering cleaning braking mode;
2) in the cleaning braking mode, when car speed greater than setting speed, and braking instruction is when effective, the electric braking force of vehicle control system restriction electrical brake system output is zero; Friction braking system receives after electric braking force that vehicle applies is zero, replenishes corresponding friction brake force, after vehicle stops; Vehicle control system restriction electrical brake system adds 1 with " cleaning braking " number of times, and when the cleaning braking number of times of vehicle control system accumulative total reached set point number, the cleaning braking on the same day was accomplished; Vehicle withdraws from the cleaning braking mode; Vehicle control system is removed the restriction of electric braking force, gets into normal operation mode, until withdrawing from operation;
3) in the cleaning braking mode, when car speed is lower than setting speed, and braking instruction is when effective, and vehicle control system does not limit the electric braking ability of electrical brake system output, and electrical brake system is preferentially brought into play braking force, and friction braking system replenishes remaining braking force; After vehicle stopped, vehicle control system " cleaning braking " number of times did not increase.
2. city rail vehicle tread cleaning control method according to claim 1 is characterized in that: said " cleaning braking " set point number is three times.
3. city rail vehicle tread cleaning control method according to claim 1, it is characterized in that: said set vehicle speed is 55km/h.
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CN201110382652.2A CN102490731B (en) | 2011-11-25 | 2011-11-25 | Urban rail vehicle tread sweeping control method |
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CN201110382652.2A CN102490731B (en) | 2011-11-25 | 2011-11-25 | Urban rail vehicle tread sweeping control method |
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CN102490731A true CN102490731A (en) | 2012-06-13 |
CN102490731B CN102490731B (en) | 2014-05-21 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104176074A (en) * | 2014-09-18 | 2014-12-03 | 南车株洲电力机车有限公司 | Control method and control system for locomotive tread cleaning device |
CN104401351A (en) * | 2014-10-29 | 2015-03-11 | 南车株洲电力机车有限公司 | Tread cleaning control method and system of urban rail vehicle |
CN104494609A (en) * | 2014-12-18 | 2015-04-08 | 南车株洲电力机车有限公司 | Self-protection control device and self-protection control method for tread cleaner |
CN112644429A (en) * | 2019-10-10 | 2021-04-13 | 常州中车铁马科技实业有限公司 | Wheel tread cleaning control device and method and wheel tread cleaning system |
CN114604211A (en) * | 2022-03-11 | 2022-06-10 | 中车株洲电力机车有限公司 | Urban rail vehicle and tread cleaning control method and system thereof |
Citations (5)
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DE2215448A1 (en) * | 1971-03-30 | 1972-10-12 | Girling Ltd., Birmingham, Warwickshire (Grossbritannien) | Brake for rail vehicles |
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CN101148169A (en) * | 2006-09-19 | 2008-03-26 | 西门子公司 | Method and device for braking a rail vehicle |
CN201745596U (en) * | 2009-12-31 | 2011-02-16 | 南车青岛四方机车车辆股份有限公司 | Bogie foundation brake device |
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2011
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DE2215448A1 (en) * | 1971-03-30 | 1972-10-12 | Girling Ltd., Birmingham, Warwickshire (Grossbritannien) | Brake for rail vehicles |
US3924902A (en) * | 1973-08-31 | 1975-12-09 | Gen Signal Corp | Braking system for a light rail vehicle |
JP2000177587A (en) * | 1998-12-16 | 2000-06-27 | Railway Technical Res Inst | Vehicle braking driving method and vehicle braking driving device |
CN101148169A (en) * | 2006-09-19 | 2008-03-26 | 西门子公司 | Method and device for braking a rail vehicle |
CN201745596U (en) * | 2009-12-31 | 2011-02-16 | 南车青岛四方机车车辆股份有限公司 | Bogie foundation brake device |
Non-Patent Citations (1)
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104176074A (en) * | 2014-09-18 | 2014-12-03 | 南车株洲电力机车有限公司 | Control method and control system for locomotive tread cleaning device |
CN104401351A (en) * | 2014-10-29 | 2015-03-11 | 南车株洲电力机车有限公司 | Tread cleaning control method and system of urban rail vehicle |
CN104401351B (en) * | 2014-10-29 | 2017-02-15 | 南车株洲电力机车有限公司 | Tread cleaning control method and system of urban rail vehicle |
CN104494609A (en) * | 2014-12-18 | 2015-04-08 | 南车株洲电力机车有限公司 | Self-protection control device and self-protection control method for tread cleaner |
CN112644429A (en) * | 2019-10-10 | 2021-04-13 | 常州中车铁马科技实业有限公司 | Wheel tread cleaning control device and method and wheel tread cleaning system |
CN114604211A (en) * | 2022-03-11 | 2022-06-10 | 中车株洲电力机车有限公司 | Urban rail vehicle and tread cleaning control method and system thereof |
CN114604211B (en) * | 2022-03-11 | 2023-01-20 | 中车株洲电力机车有限公司 | Urban rail vehicle and tread cleaning control method and system thereof |
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CN102490731B (en) | 2014-05-21 |
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