CN103010251A - Braking control unit for high-speed motor train units and urban rail transit vehicles - Google Patents
Braking control unit for high-speed motor train units and urban rail transit vehicles Download PDFInfo
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- CN103010251A CN103010251A CN2012105655087A CN201210565508A CN103010251A CN 103010251 A CN103010251 A CN 103010251A CN 2012105655087 A CN2012105655087 A CN 2012105655087A CN 201210565508 A CN201210565508 A CN 201210565508A CN 103010251 A CN103010251 A CN 103010251A
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- 238000012360 testing method Methods 0.000 claims description 41
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The invention relates to a braking control unit for high-speed motor train units and urban rail transit vehicles. The braking control unit comprises an empty electric converting valve, an emergency valve, an empty and load vehicle valve and a relay valve, wherein the empty electric converting valve is connected with the emergency valve through a pipeline, the emergency valve is connected with the empty and load vehicle valve through a pipeline, the empty and load vehicle valve is connected with the relay valve through a pipeline, the braking control unit also comprises a connecting plate and an integrated air path plate arranged on the connecting plate, the connecting plate is arranged on a hanging frame arranged at the bottom of a vehicle body, the empty electric converting valve, the emergency valve, and the empty and load vehicle valve and the relay valve are respectively arranged on the integrated air path plate. The braking control unit has the advantages that the modularized design is adopted, the empty electric converting valve, the emergency valve, the empty and load vehicle valve and the relay valve are integrated on the integrated air path plate, the braking control unit is arranged on a hanging frame arranged at the bottom of a vehicle body in an integral hoisting mode, higher interchangeability is realized, and the maintenance is convenient.
Description
Technical field
The present invention relates to the braking control system of guideway vehicle, specifically, relate to a kind of EMU and city rail traffic vehicle brak control unit.
Background technology
EMU and urban rail transit vehicles mainly adopt micro-computer controlled straight electro-pneumatic braking system, this brake system comprises braking control system, foundation brake system, air supply system and auxiliary air supply parts etc., wherein, braking control system mainly is comprised of brak control unit and electronic control unit.
Brak control unit is the core of rail transit car braking system, it is the pneumatic control component of braking control system, it is the actuating unit of realizing electropneumatic brake, its radical function is to convert the braking instruction electric signal that electronic control unit sends to corresponding pre-control pressure signal by the electric change-over valve of sky, and when emergency braking, carry out corresponding load compensation correction by empty and load brake regulator, make rail traffic vehicles apply braking and alleviation according to instruction.
Brak control unit for braking control system can realize power accurately, stable control, play vital effect.But existing brak control unit, the adoption rate solenoid control brake-cylinder pressure that has, the linearity of control is unstable after long-term the use, affects control accuracy; The emergency valve reliability that has is not enough, can not normally alleviate after causing emergency braking, affects train and normally runs; The pressure test that has is inconvenient, affects the comfort feature of working service; The Redundancy Design that also has is not enough, affects the reliability of product.
Summary of the invention
The present invention is directed to that existing control unit exists in braking procedure can not be accurately, the stable above-mentioned deficiencies such as braking force and inconvenient maintenance of controlling, provide a kind of and can satisfy EMU and the city rail traffic vehicle brak control unit that micro-computer controlled straight electro-pneumatic braking system emergency braking effect control requires, this brak control unit has higher interchangeability, easy to maintenance, can realize empty spring pressure, brake-cylinder pressure, pre-control pressure, storage reservoir pressure are tested.
Technical scheme of the present invention is: a kind of EMU and city rail traffic vehicle brak control unit, comprise empty electric change-over valve, emergency valve, empty and load brake regulator and relay valve, wherein, empty electric change-over valve connects emergency valve by pipeline, emergency valve connects empty and load brake regulator by pipeline, empty and load brake regulator connects relay valve by pipeline, and this brak control unit also comprises connecting panel and the integrated air board that is installed on the connecting panel, and connecting panel is installed on the suspension bracket of vehicle bottom; Empty electric change-over valve, emergency valve, empty and load brake regulator and relay valve are installed on the integrated air board.
Preferably, also arranging on the integrated air board is free spring pressure test interface, brake-cylinder pressure test interface, pre-control pressure test interface and stores up reservoir pressure test interface, is respectively applied to empty spring pressure, brake-cylinder pressure, pre-control pressure and storage reservoir pressure are tested.
Preferably, be provided with pressure sensor on the interface pipeline of empty spring pressure test interface, brake-cylinder pressure test interface, pre-control pressure test interface and storage reservoir pressure test interface, for detection of empty spring pressure, brake-cylinder pressure, pre-control pressure and storage reservoir pressure.
Preferably, empty spring pressure test interface, brake-cylinder pressure test interface, pre-control pressure test interface and storage reservoir pressure test interface are the interface that adopts quick inserting mode.
Preferably, on the back side of integrated air board electrical cnnector is installed, this brak control unit is connected with electronic control unit by electrical cnnector.
Preferably, empty electric change-over valve be provided with fill, exhaust solenoid valve, emergency valve is provided with electromagnetic valve, electromagnetic valve is charged under normal circumstances.
Preferably, described empty and load brake regulator adopts lever balance-type, and can change according to car load pre-control pressure is carried out continuous setup, and the ratio of pre-control pressure and empty spring pressure and the equal capable of regulating of setting range; Relay valve can according to the variation of pre-control pressure, carry out meticulous, quick, proportional adjusting to brake-pressure.
Preferably, described brak control unit also is provided with protective cover, and this protective cover is installed on the integrated air board.
Preferably, in the service braking situation, empty electric change-over valve produces the pre-control pressure that adapts with demand braking force according to the control signal of electronic control unit, and this pre-control pressure and car load adapt, production process is subject to the restriction that anti-impulsion requires, pre-control pressure arrives relay valve through emergency valve, empty and load brake regulator, becomes the pilot control pressure of relay valve, so that relay valve is opened the path between braking storage reservoir and the brake cylinder, form the brake-cylinder pressure that meets the service braking requirement.
Preferably, in the emergency braking situation, the pressurized air of braking storage reservoir arrives the braking empty and load brake regulator by emergency valve, adjusted according to car load by empty and load brake regulator, form pre-control pressure, arrive relay valve, become the pilot control pressure of relay valve, so that relay valve is opened the path between braking storage reservoir and the brake cylinder, form the brake-cylinder pressure that meets the emergency braking requirement.
The invention has the beneficial effects as follows: (1) the present invention adopts modular design, with the electric change-over valve of sky, emergency valve, empty and load brake regulator and relay valve integrated installation on integrated air board, adopt the mode of integral hoisting to be installed on the suspension bracket of vehicle bottom, have higher interchangeability, easy to maintenance.(2) the present invention is provided with the air pressure test interface, and interface adopts the interface of quick inserting mode, and convenient approaching do not need to dismantle the pipeline on the car when connecting; And can test empty spring pressure, brake-cylinder pressure, pre-control pressure, storage reservoir pressure by external device.(3) the present invention carries out communication by electrical cnnector and electronic control unit, can Quick release, and easy to use.(4) the present invention is provided with protective cover, is installed on the integrated air board, plays the effect of waterproof and dustproof.(5) the present invention can consist of closed loop control with electronic control unit in the service braking situation, accurately and stably controls as requested brake-cylinder pressure, and the brake-cylinder pressure value is controlled in setting value ± 10kPa scope; And brake-cylinder pressure requires to rise or descend according to impulsion restriction slope.(6) the present invention can be according to the variation control brake-cylinder pressure of car load under brake condition, and the brake-cylinder pressure value is controlled in setting value ± 20kPa scope; The time that brake-cylinder pressure rises to top pressure 90% should be no more than 1.5s, alleviates when once alleviating to the time of top pressure 10% to be no more than 2.5s.
Description of drawings
Accompanying drawing 1 is the structural representation of the specific embodiment of the invention.
Accompanying drawing 2 is the lateral plan of the specific embodiment of the invention.
Accompanying drawing 3 is the schematic diagram of gas circuit of the specific embodiment of the invention.
Accompanying drawing 4 is service braking constitution diagram of the present invention.
Accompanying drawing 5 is emergency braking condition figure of the present invention.
Accompanying drawing 6 is packing state figure after the service braking of the present invention.
Accompanying drawing 7 is rear relieved state figure for the present invention brakes.
The specific embodiment
The present invention will be further described in detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of EMU and city rail traffic vehicle brak control unit, comprise empty electric change-over valve 1, emergency valve 2, empty and load brake regulator 3 and relay valve 4, wherein, empty electric change-over valve 1 connects emergency valve 2 by pipeline, and emergency valve 2 connects empty and load brake regulator 3 by pipeline, and empty and load brake regulator 3 connects relay valve 4 by pipeline, this brak control unit also comprises connecting panel 5 and the integrated air board 6 that is installed on the connecting panel 5, and connecting panel 5 is installed on the suspension bracket of vehicle bottom; Empty electric change-over valve 1, emergency valve 2, empty and load brake regulator 3 and relay valve 4 are installed on the integrated air board 6.
When vehicle remains static, in order to realize external device empty spring pressure, brake-cylinder pressure, pre-control pressure and storage reservoir pressure are tested, also arranging on the integrated air board 6 is free spring pressure test interface, brake-cylinder pressure test interface, pre-control pressure test interface and stores up reservoir pressure test interface, is respectively applied to empty spring pressure, brake-cylinder pressure, pre-control pressure and storage reservoir pressure are tested.
Be provided with pressure sensor on the interface pipeline of above-mentioned empty spring pressure test interface, brake-cylinder pressure test interface, pre-control pressure test interface and storage reservoir pressure test interface, for detection of empty spring pressure, brake-cylinder pressure, pre-control pressure and storage reservoir pressure.
Empty spring pressure test interface, brake-cylinder pressure test interface, pre-control pressure test interface and storage reservoir pressure test interface are the interface that adopts quick inserting mode.
In order to realize the communication between brak control unit and the electronic control unit, the electrical cnnector 7 that can throw off rapidly is installed on the back side of above-mentioned integrated air board 6, this brak control unit is connected with electronic control unit by electrical cnnector 7.
For the air pressure that realizes in the future self-retention storage reservoir converts the pre-control pressure corresponding with the electronic control unit electric signal to, the electric change-over valve 1 of above-mentioned sky is provided with inflation electromagnetic valve 9 and exhaust solenoid valve 10, and electromagnetic valve adopts the HF switch electromagnetic valve, can guarantee the meticulous adjusting of air pressure.
Above-mentioned emergency valve 2 is provided with electromagnetic valve, and electromagnetic valve can reliable operation under long-term electriferous state, and response time is short.
Empty and load brake regulator 3 adopts lever balance-type, and can change according to car load pre-control pressure is carried out continuous setup, and the ratio of pre-control pressure and empty spring pressure and the equal capable of regulating of setting range; Relay valve 4 can according to the variation of pre-control pressure, carry out meticulous, quick, proportional adjusting to brake-pressure.
In order to make brak control unit have the waterproof and dustproof effect, described brak control unit also is provided with protective cover 8, and this protective cover 8 is installed on the integrated air board 6.
In the service braking situation, empty electric change-over valve is according to the control signal of electronic control unit, produce the pre-control pressure that adapts with demand braking force, this pre-control pressure and car load adapt, and production process is subject to the restriction that anti-impulsion requires, and pre-control pressure is through emergency valve, empty and load brake regulator, arrive relay valve, become the pilot control pressure of relay valve, so that relay valve is opened the path between braking storage reservoir and the brake cylinder, form the brake-cylinder pressure that meets the service braking requirement.
In the emergency braking situation, the pressurized air of braking storage reservoir arrives the braking empty and load brake regulator by emergency valve, adjusted according to car load by empty and load brake regulator, form pre-control pressure, arrive relay valve, become the pilot control pressure of relay valve, so that relay valve is opened the path between braking storage reservoir and the brake cylinder, form the brake-cylinder pressure that meets the emergency braking requirement.
Principle of work: during service braking, the electric signal that brak control unit transmits according to electronic control unit, by filling, the air pressure of in the future self-retention of exhaust solenoid valve storage reservoir converts the pre-control pressure corresponding with electric signal to, then (this moment, urgent electromagnetic valve got electric pre-control pressure through emergency valve, connect the path between empty electric change-over valve and the empty and load brake regulator) the arrival empty and load brake regulator, be subject to detection and the restriction of empty and load brake regulator, from empty and load brake regulator pre-control pressure out to relay valve, open the path of braking storage reservoir and brake cylinder in the relay valve, make at last brake cylinder obtain to meet the air pressure of required braking force.
During emergency braking, the emergency valve outage, connect the path between braking storage reservoir and the empty and load brake regulator, come the pressurized air of self-retention storage reservoir directly to arrive empty and load brake equipment by emergency valve, pre-control pressure is controlled by empty and load brake regulator only, from empty and load brake regulator pre-control pressure out to relay valve, open the path of braking storage reservoir and brake cylinder in the relay valve, make at last brake cylinder obtain emergency brake pressure.If emergency valve breaks down, connect the path between braking storage reservoir and the empty and load brake regulator, then by the Emergency Negative Thrust of electronic control unit according to setting, produce pre-control pressure by the electric change-over valve of sky, implement emergency braking.
Electronic control unit sends when alleviating instruction, exhaust solenoid valve excitation in the brak control unit and opening, the inflation electromagnetic valve is obstructed, pre-control pressure is arranged atmosphere through blow off valve, brak control unit relay valve lamina membranacea moves, cut off storage reservoir and brake cylinder path, open the path of brake cylinder and atmosphere, brake cylinder row atmosphere.
Detect braking storage reservoir pressure, pre-control pressure, brake-cylinder pressure and adapt air spring pressure by each pressure sensor in braking and the alleviation process, and can test relevant pressure by each pressure test interface.
During service braking, emergency valve can be used as the function unit for subsequent use of inflation electromagnetic valve.
During emergency braking, fill, exhaust solenoid valve can produce EMER emergency pressure.
Claims (10)
1. an EMU and city rail traffic vehicle brak control unit, comprise empty electric change-over valve, emergency valve, empty and load brake regulator and relay valve, wherein, empty electric change-over valve connects emergency valve by pipeline, emergency valve connects empty and load brake regulator by pipeline, empty and load brake regulator connects relay valve by pipeline, it is characterized in that: this brak control unit also comprises connecting panel and the integrated air board that is installed on the connecting panel, and connecting panel is installed on the suspension bracket of vehicle bottom; Empty electric change-over valve, emergency valve, empty and load brake regulator and relay valve are installed on the integrated air board.
2. EMU according to claim 1 and city rail traffic vehicle brak control unit, it is characterized in that: also arranging on the integrated air board is free spring pressure test interface, brake-cylinder pressure test interface, pre-control pressure test interface and stores up reservoir pressure test interface, is respectively applied to empty spring pressure, brake-cylinder pressure, pre-control pressure and storage reservoir pressure are tested.
3. EMU according to claim 2 and city rail traffic vehicle brak control unit, it is characterized in that: be provided with pressure sensor on the interface pipeline of empty spring pressure test interface, brake-cylinder pressure test interface, pre-control pressure test interface and storage reservoir pressure test interface, for detection of empty spring pressure, brake-cylinder pressure, pre-control pressure and storage reservoir pressure.
4. EMU according to claim 2 and city rail traffic vehicle brak control unit is characterized in that: empty spring pressure test interface, brake-cylinder pressure test interface, pre-control pressure test interface and storage reservoir pressure test interface are the interface that adopts quick inserting mode.
5. EMU according to claim 1 and city rail traffic vehicle brak control unit, it is characterized in that: on the back side of integrated air board electrical cnnector is installed, this brak control unit is connected with electronic control unit by electrical cnnector.
6. EMU according to claim 1 and city rail traffic vehicle brak control unit is characterized in that: empty electric change-over valve be provided with fill, exhaust solenoid valve, emergency valve is provided with electromagnetic valve, electromagnetic valve is charged under normal circumstances.
7. EMU according to claim 1 and city rail traffic vehicle brak control unit, it is characterized in that: described empty and load brake regulator adopts lever balance-type, can change according to car load pre-control pressure is carried out continuous setup, and the ratio of pre-control pressure and empty spring pressure and the equal capable of regulating of setting range; Relay valve can according to the variation of pre-control pressure, carry out meticulous, quick, proportional adjusting to brake-pressure.
8. EMU according to claim 1 and city rail traffic vehicle brak control unit, it is characterized in that: described brak control unit also is provided with protective cover, and this protective cover is installed on the integrated air board.
9. EMU according to claim 1 and city rail traffic vehicle brak control unit, it is characterized in that: in the service braking situation, empty electric change-over valve is according to the control signal of electronic control unit, produce the pre-control pressure that adapts with demand braking force, this pre-control pressure and car load adapt, production process is subject to the restriction that anti-impulsion requires, pre-control pressure is through emergency valve, empty and load brake regulator, arrive relay valve, become the pilot control pressure of relay valve, so that relay valve is opened the path between braking storage reservoir and the brake cylinder, form the brake-cylinder pressure that meets the service braking requirement.
10. EMU according to claim 1 and city rail traffic vehicle brak control unit, it is characterized in that: in the emergency braking situation, the pressurized air of braking storage reservoir arrives the braking empty and load brake regulator by emergency valve, adjusted according to car load by empty and load brake regulator, form pre-control pressure, arrive relay valve, become the pilot control pressure of relay valve, so that relay valve is opened the path between braking storage reservoir and the brake cylinder, form the brake-cylinder pressure that meets the emergency braking requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210565508.7A CN103010251B (en) | 2012-12-24 | 2012-12-24 | EMU and city rail traffic vehicle brak control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210565508.7A CN103010251B (en) | 2012-12-24 | 2012-12-24 | EMU and city rail traffic vehicle brak control unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103010251A true CN103010251A (en) | 2013-04-03 |
| CN103010251B CN103010251B (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210565508.7A Expired - Fee Related CN103010251B (en) | 2012-12-24 | 2012-12-24 | EMU and city rail traffic vehicle brak control unit |
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| CN (1) | CN103010251B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696986A (en) * | 2016-12-13 | 2017-05-24 | 中车株洲电力机车有限公司 | Rail train and braking control device thereof |
| CN109278791A (en) * | 2018-10-30 | 2019-01-29 | 中车青岛四方车辆研究所有限公司 | Rail vehicle aerobraking control unit |
| CN113335244A (en) * | 2021-07-01 | 2021-09-03 | 青岛思锐科技有限公司 | Device and method for adjusting empty and heavy vehicle valves of railway vehicle and brake control device |
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2012
- 2012-12-24 CN CN201210565508.7A patent/CN103010251B/en not_active Expired - Fee Related
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696986A (en) * | 2016-12-13 | 2017-05-24 | 中车株洲电力机车有限公司 | Rail train and braking control device thereof |
| CN109278791A (en) * | 2018-10-30 | 2019-01-29 | 中车青岛四方车辆研究所有限公司 | Rail vehicle aerobraking control unit |
| CN109278791B (en) * | 2018-10-30 | 2019-08-27 | 中车青岛四方车辆研究所有限公司 | Rail vehicle aerobraking control unit |
| CN113335244A (en) * | 2021-07-01 | 2021-09-03 | 青岛思锐科技有限公司 | Device and method for adjusting empty and heavy vehicle valves of railway vehicle and brake control device |
| CN113335244B (en) * | 2021-07-01 | 2022-05-03 | 中车制动系统有限公司 | Device and method for adjusting empty and heavy vehicle valves of railway vehicle and brake control device |
Also Published As
| Publication number | Publication date |
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| CN103010251B (en) | 2015-09-16 |
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Address after: 266031 Shandong province Qingdao City, Ruichang Road No. 231 Applicant after: QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Address before: 266000 Ruichang Road, Shandong, China, No. 231, No. Applicant before: QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. |
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Effective date of registration: 20170522 Address after: 266000 Shandong province Qingdao City, Ruichang Road No. 231 Co-patentee after: BEIJING MTR CONSTRUCTION CONSULTATION Co.,Ltd. Patentee after: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Address before: 266031 Shandong province Qingdao City, Ruichang Road No. 231 Patentee before: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. |
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Granted publication date: 20150916 |