CN204055821U - Motor train unit brak control unit - Google Patents
Motor train unit brak control unit Download PDFInfo
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- CN204055821U CN204055821U CN201420565205.XU CN201420565205U CN204055821U CN 204055821 U CN204055821 U CN 204055821U CN 201420565205 U CN201420565205 U CN 201420565205U CN 204055821 U CN204055821 U CN 204055821U
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- braking
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Abstract
The purpose of this utility model is to provide a kind of brak control unit being applicable to 250 kilometers and following speed class motor train unit, comprise the aerobraking control unit PBCU and deceleration of electrons control unit EBCU that are integrated in same brake control cabinet inside, aerobraking control unit PBCU is primarily of inflation electromagnetic valve, exhaust solenoid valve, emergency valve, empty and load brake regulator, relay valve and reducing valve composition, relay valve adopts two pre-control relay valve, independently two paths are divided into by service braking pre-control pressure port and emergency braking pre-control pressure port, the redundancy of increase system, and this brak control unit forces relieving apparatus and long-range release valve in the setting of brake-cylinder pressure output channel, train is provided with the switch controlling this long-range alleviation, by operating switch, long-range alleviation is carried out to brake-cylinder pressure, reduce the complexity of Dynamic System, the maintainability of raising system.
Description
Technical field
The utility model relates to rail vehicle braking control system, specifically, relates to a kind of motor train unit brak control unit.
Background technology
Train braking system also claims train braking device, Main Function be train is in operation underspeed by means of rubbing effect or other method, stop motion or travel at the uniform speed, or in stop unlikely runaway.Braking System for Multiple Units mainly adopts micro-computer controlled straight electro-pneumatic braking system, mainly comprise braking control system, foundation brake rigging, air supply system etc., wherein braking control system forms primarily of brak control unit, Pneumatic control module and slip-proofing device.
Brak control unit is the core component of motor train unit braking control system, be installed on each car of motor train unit, its Main Function is that braking instruction driver's brake controller and train control system sent is converted to corresponding pre-control pressure by inflating electromagnetic valve and exhaust solenoid valve or emergency valve, and then control relay valve and produce the control presssure of brake cylinder, control applying that foundation brake rigging carries out braking and alleviation.
The performance of brak control unit decide braking control system can accurately, stable, the control that reliably realizes braking force, vital effect is played to the safety that motor train unit run.China Patent No. CN 103010251 discloses 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, and connected by pipeline between each valve, there is higher interchangeability, and empty spring pressure can be realized, brake-cylinder pressure, the test of pre-control pressure and storage reservoir pressure, but there is following shortcoming in it: (1) above-mentioned brak control unit only has aerobraking control unit PBCU module, deceleration of electrons control unit EBCU dispersion is arranged on other positions, integrated level is not high, need to carry out operation and maintenance respectively, (2) the pre-control pressure of above-mentioned brak control unit service braking and the pre-control pressure of emergency braking merge into a control access at emergency valve place, when causing emergency valve fault, lose all brake control pressures, lack the redundancy of braking.And existing brak control unit, relay valve fault or other reasons cause cannot alleviate brake-cylinder pressure time, majority needs manually to operate the alleviation carrying out brake cylinder, operation inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of brak control unit being applicable to 250 kilometers and following speed class motor train unit.
The technical solution of the utility model is: motor train unit brak control unit, comprise the aerobraking control unit PBCU and deceleration of electrons control unit EBCU that are integrated in same brake control cabinet inside, aerobraking control unit PBCU is primarily of inflation electromagnetic valve, exhaust solenoid valve, emergency valve, empty and load brake regulator, relay valve and reducing valve composition, described reducing valve connects described inflation electromagnetic valve by pipeline, described exhaust solenoid valve and described empty and load brake regulator, reducing valve is used to carry out step-down to braking storage reservoir pressure, and supply as the wind regime of inflation electromagnetic valve and exhaust solenoid valve, described empty and load brake regulator connects described emergency valve by pipeline, described inflation electromagnetic valve, described exhaust solenoid valve are connected described relay valve with described emergency valve by pipeline, described relay valve is provided with service braking pre-control pressure port and emergency braking pre-control pressure port, namely relay valve adopts two pre-control relay valve, described inflation electromagnetic valve is connected with described service braking pre-control pressure port by pipeline with exhaust solenoid valve, described emergency valve is connected with described emergency braking pre-control pressure port by pipeline, increases the redundancy of system.
Described aerobraking control unit PBCU also comprise be arranged at brake-cylinder pressure output channel force relieving apparatus, the described relieving apparatus that forces comprises pilot solenoid valve and pneumatic valve, train control system controls the break-make of described pneumatic valve by described pilot solenoid valve, described pneumatic valve is connected with described relay valve by pipeline, when need force alleviation operation, directly long-range alleviation is carried out to brake-cylinder pressure by the switch be arranged on train, the complexity of effective reduction Dynamic System, improves the maintainability of system.
Described motor train unit brak control unit is also provided with multiple pressure test interface, manual testing can be carried out to related pressure when testing or overhaul, comprise braking storage reservoir pressure test interface T1, service braking pre-control pressure test interface T2, empty spring pressure test interface T3 and brake-cylinder pressure test interface T4, described braking storage reservoir pressure test interface T1 stores up reservoir Output pressure path R with braking and is connected, described service braking pre-control pressure test interface T2 is connected with described inflation electromagnetic valve and described exhaust solenoid valve, described empty spring pressure test interface T3 is connected with empty spring pressure end, described brake-cylinder pressure test interface T4 is connected with brake-cylinder pressure output channel.
Described aerobraking control unit PBCU is also provided with multiple pressure sensor, can realize monitoring related pressure, comprise braking storage reservoir pressure sensor S1, service braking pre-control pressure sensor S2, empty spring pressure sensor S3 and emergency braking pre-control pressure sensor S4, wherein, described braking storage reservoir pressure sensor S1 is connected with storage reservoir Output pressure path, described service braking pre-control pressure sensor S2 is connected with described inflation electromagnetic valve and described exhaust solenoid valve, described empty spring pressure sensor S3 is connected with empty spring pressure end, described emergency braking pre-control pressure sensor S4 is connected with described emergency valve.
Described deceleration of electrons control unit EBCU is primarily of power module, number connect test module, analog input and output module, main control unit, DNRA control module, communication module, man machine interface, memory module and WSP control module composition, unit modular electrical connects, described aerobraking control unit PBCU and deceleration of electrons control unit EBCU is integrated in a control housing, integrated level is high, convenient operating maintenance.
Described aerobraking control unit PBCU is also provided with long-range release valve, and described long-range release valve is connected with brake-cylinder pressure output channel by pipeline, and train is provided with the switch controlling this long-range alleviation.
The each air-path interface of motor train unit brak control unit and electric interfaces are all arranged at brake control cabinet back, and fast and easy is installed; Air-path interface adopts the straight pipe thread of side seal, and electric interfaces adopts the electrical cnnector of energy Quick release, facilitates system installation and debugging.
The utility model beneficial effect is compared with prior art:
(1) aerobraking control unit PBCU and deceleration of electrons control unit EBCU is integrated in same brake control cabinet inside by this brak control unit, and brake control cabinet is lifted in motor train unit Lower Hold, convenient operating maintenance;
(2) this brak control unit is provided with reducing valve, reducing valve is installed on braking storage reservoir and inflates between electromagnetic valve and exhaust solenoid valve, after step-down being carried out to braking storage reservoir pressure by reducing valve, wind regime as inflation electromagnetic valve and exhaust solenoid valve supplies, when filling exhaust solenoid valve fault, service braking path top pressure can be limited, avoid braking force excessive, improve the reliability of system;
(3) single pre-control relay valve of prior art, is that service braking pre-control pressure port and emergency braking pre-control pressure port are merged into a control access at emergency valve place, when causing emergency valve fault, loses all brake control pressures.And this brak control unit relay valve adopts two pre-control relay valve, be divided into independently two paths by service braking pre-control pressure port and emergency braking pre-control pressure port, increase the redundancy of system;
(4) prior art brak control unit when relay valve fault or other cause trouble cause cannot alleviate brake-cylinder pressure time, need M/C to carry out the alleviation of brake cylinder, poor stability and operation inconvenience; This brak control unit arranges at brake-cylinder pressure output channel and forces relieving apparatus and long-range release valve, train is provided with the switch controlling this long-range alleviation, by operating switch, long-range alleviation is carried out to brake-cylinder pressure, reduce the complexity of Dynamic System, improve the maintainability of system;
(5) electrical cnnector of brake control cabinet inside is installed in electric box by the utility model, deceleration of electrons control unit (EBCU) and miscellaneous part is isolated, improve the Electro Magnetic Compatibility of system by dividing plate.
Accompanying drawing explanation
Fig. 1 is aerobraking control unit PBCU schematic diagram of the present utility model;
Fig. 2 is aerobraking control unit PBCU structural representation of the present utility model.
1 inflation electromagnetic valve; 2 exhaust solenoid valves; 3 live contact cocks; 4 reducing valves; 5 force relieving apparatus; 6 pressure switches; 7 emergency valves; 8 relay valves; 9 pressure sensors; 10 empty and load brake regulators; 11 test interfaces; 12 gas path plates; S1 braking storage reservoir pressure sensor; S2 service braking pre-control pressure sensor; The empty spring pressure sensor of S3; S4 emergency braking pre-control pressure sensor; T1 braking storage reservoir pressure test interface; T2 service braking pre-control pressure test interface; T3 empty spring pressure test interface; T4 brake-cylinder pressure test interface; R braking storage reservoir Output pressure path; C brake-cylinder pressure output channel; The empty spring pressure end of T.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the embodiment of the utility model part, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those skilled in the art obtain under the prerequisite of not making creative work, all belongs to protection domain of the present utility model.
Embodiment 1
Motor train unit brak control unit, comprise the aerobraking control unit PBCU and deceleration of electrons control unit EBCU that are integrated in same brake control cabinet inside, aerobraking control unit PBCU forms primarily of inflation electromagnetic valve 1, exhaust solenoid valve 2, emergency valve 7, empty and load brake regulator 10, relay valve 8 and reducing valve 4, storage reservoir pressure output end is divided into two-way to export through reducing valve 4 step-down, pipeline of leading up to exports empty and load brake regulator 10 to, another road is directly connected with inflation electromagnetic valve 1 and exhaust solenoid valve 2, and the wind regime as inflation electromagnetic valve 1 and exhaust solenoid valve 2 supplies; Relay valve 8 adopts two pre-control relay valve, be provided with service braking pre-control pressure port and emergency braking pre-control pressure port two independent paths, inflation electromagnetic valve 1 is connected with service braking pre-control pressure port by pipeline with exhaust solenoid valve 2, emergency valve 7 is connected with emergency braking pre-control pressure port by pipeline, above-mentioned two autonomous channels can control the output of relay valve 8 respectively, when service braking pre-control pressure port and emergency braking pre-control pressure port all have pressure, according to the output of both larger pre-control Stress control relay valves 8.
Motor train unit brak control unit is also provided with multiple pressure test interface 11, manual testing can be carried out to related pressure when testing or overhaul, comprise braking storage reservoir pressure test interface T1, service braking pre-control pressure test interface T2, empty spring pressure test interface T3 and brake-cylinder pressure test interface T4, braking storage reservoir pressure test interface T1 stores up reservoir Output pressure path R with braking and is connected, service braking pre-control pressure test interface T2 is connected with inflation electromagnetic valve 1 and exhaust solenoid valve 2, empty spring pressure test interface T3 is connected with empty spring pressure end T, brake-cylinder pressure test interface T4 is connected with brake-cylinder pressure output channel C, external equipment can be adopted braking storage reservoir pressure, service braking pre-control pressure, empty spring pressure and brake-cylinder pressure are tested.Each pressure test interface above-mentioned all adopts the interface of quick inserting mode, is convenient to connecting test equipment.
Aerobraking control unit PBCU is also provided with multiple pressure sensor 9, can realize monitoring related pressure, comprise braking storage reservoir pressure sensor S1, service braking pre-control pressure sensor S2, empty spring pressure sensor S3 and emergency braking pre-control pressure sensor S4, wherein, braking storage reservoir pressure sensor S1 is connected with storage reservoir Output pressure path, service braking pre-control pressure sensor S2 is connected with inflation electromagnetic valve 1 and exhaust solenoid valve 2, empty spring pressure sensor S3 is connected with empty spring pressure end T, emergency braking pre-control pressure sensor S4 is connected with emergency valve 7, can in real time to braking storage reservoir pressure, service braking pre-control pressure, empty spring pressure and emergency braking pre-control pressure detect.
For the air pressure realizing the storage of self-retention in the future reservoir converts the pre-control pressure corresponding with electric signal to, the inflation electromagnetic valve 1 of aerobraking control unit PBCU, exhaust solenoid valve 2 and service braking pre-control pressure sensor S2 three form closed loop control, can ensure the fine adjustment of control presssure.
Emergency valve 7 is provided with electromagnetic valve, and electromagnetic valve adopts and is often with power mode, when train causes urgent loop dead electricity due to accident, automatically can brake by trigger emergency, have fault-safety principle effect.
Empty and load brake regulator 10 adopts lever balance-type, can according to the change of car load, and adjustment exports the pre-control pressure of relay valve 8 in proportion, thus brake-cylinder pressure is adjusted by load change.
Aerobraking control unit PBCU is also provided with and forces relieving apparatus 5, relieving apparatus 5 is forced to comprise pilot solenoid valve and pneumatic valve, train control system controls the break-make of pneumatic valve by pilot solenoid valve, when need force alleviation operation, control pneumatic valve action by the break-make controlling pilot solenoid valve, and then control the break-make of relay valve 8 to brake-cylinder pressure.
Deceleration of electrons control unit EBCU is primarily of power module, number connect test module, analog input and output module, main control unit, DNRA control module, communication module, man machine interface, memory module and WSP control module composition, unit modular electrical connects, aerobraking control unit PBCU and deceleration of electrons control unit EBCU is integrated in a control housing, integrated level is high, convenient operating maintenance.
Motor train unit brak control unit realizes braking and mitigation performance comprises service braking, emergency braking, service braking alleviates and emergency braking alleviates Four processes:
(1) service braking
During service braking, the electric signal that aerobraking control unit PBCU transmits according to deceleration of electrons control unit EBCU and vehicle current load, the pressurized air through reducing valve 4 step-down is converted to service braking pre-control pressure by inflation electromagnetic valve 1 and exhaust solenoid valve 22, then this pre-control pressure arrives the service braking pre-control pressure port of relay valve 8, open the Output pressure path of braking storage reservoir and brake cylinder in relay valve 8, make brake cylinder obtain the air pressure meeting service braking requirement.
(2) emergency braking
During emergency braking, pressurized air through reducing valve 4 step-down is adjusted to corresponding emergency braking pre-control pressure by empty and load brake regulator 10, and arrive emergency valve 7, now emergency valve 7 power-off, this pre-control pressure arrives the emergency braking pre-control pressure port of relay valve 8 through emergency valve 7, open the Output pressure path of braking storage reservoir and brake cylinder in relay valve 8, make brake cylinder obtain the air pressure of emergency braking requirement.For increasing system redundancy, while emergency braking, controlling inflation electromagnetic valve 1 at service braking path by deceleration of electrons control unit EBCU and producing the pre-control pressure identical with emergency braking path with exhaust solenoid valve 22.
(3) service braking is alleviated
During conventional alleviation braking, exhaust solenoid valve 2 excitation of aerobraking control unit PBCU is opened, inflation electromagnetic valve 1 not excitation, service braking pre-control pressure arranges air through exhaust solenoid valve 2, relay valve 8 lamina membranacea moves, cut off the Output pressure path of braking storage reservoir and brake cylinder, open the path of brake cylinder and air, brake-cylinder pressure row air is alleviated.
(4) emergency braking is alleviated
When emergency braking is alleviated, emergency valve 7 is energized, emergency braking pre-control pressure is discharged through the exhaust channel of emergency valve 7, the redundancy pre-control pressure of service braking path is discharged by alleviating identical mode with service braking, relay valve 8 lamina membranacea moves, cut off the path of braking storage reservoir and brake cylinder, open the path of brake cylinder and air, brake-cylinder pressure row air is alleviated.
In the gentle solution preocess of braking, by the pressure sensor be provided with, in real time braking storage reservoir pressure, service braking pre-control pressure, empty spring pressure and emergency braking pre-control pressure are detected.
Those skilled in the art can understand the schematic diagram that accompanying drawing is only a preferred embodiment, and the structure in accompanying drawing might not be that to implement the utility model necessary with composition.
It is last it is noted that above embodiment is only for illustration of the technical solution of the utility model, but not be limited, although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (6)
1. motor train unit brak control unit, comprise aerobraking control unit PBCU and deceleration of electrons control unit EBCU, aerobraking control unit PBCU is primarily of inflation electromagnetic valve, exhaust solenoid valve, emergency valve, empty and load brake regulator, relay valve and reducing valve composition, described reducing valve connects described inflation electromagnetic valve by pipeline, described exhaust solenoid valve and described empty and load brake regulator, described empty and load brake regulator connects described emergency valve by pipeline, described inflation electromagnetic valve, described exhaust solenoid valve is connected described relay valve with described emergency valve by pipeline, it is characterized in that: described relay valve is provided with service braking pre-control pressure port and emergency braking pre-control pressure port, described inflation electromagnetic valve is connected with described service braking pre-control pressure port by pipeline with exhaust solenoid valve, described emergency valve is connected with described emergency braking pre-control pressure port by pipeline.
2. motor train unit brak control unit according to claim 1, it is characterized in that: described aerobraking control unit PBCU also comprise be arranged at brake-cylinder pressure output channel force relieving apparatus, the described relieving apparatus that forces comprises pilot solenoid valve and pneumatic valve, controlled the break-make of described pneumatic valve by described pilot solenoid valve, described pneumatic valve is connected with described relay valve by pipeline.
3. motor train unit brak control unit according to claim 1 and 2, it is characterized in that: described motor train unit brak control unit is also provided with multiple pressure test interface, comprise braking storage reservoir pressure test interface T1, service braking pre-control pressure test interface T2, empty spring pressure test interface T3 and brake-cylinder pressure test interface T4, described braking storage reservoir pressure test interface T1 stores up reservoir Output pressure path with braking and is connected, described service braking pre-control pressure test interface T2 is connected with described inflation electromagnetic valve and described exhaust solenoid valve, described empty spring pressure test interface T3 is connected with empty spring pressure end, described brake-cylinder pressure test interface T4 is connected with brake-cylinder pressure output channel.
4. motor train unit brak control unit according to claim 3, it is characterized in that: described aerobraking control unit PBCU is also provided with multiple pressure sensor, comprise braking storage reservoir pressure sensor S1, service braking pre-control pressure sensor S2, empty spring pressure sensor S3 and emergency braking pre-control pressure sensor S4, wherein, described braking storage reservoir pressure sensor S1 is connected with storage reservoir Output pressure path, described service braking pre-control pressure sensor S2 is connected with described inflation electromagnetic valve and described exhaust solenoid valve, described empty spring pressure sensor S3 is connected with empty spring pressure end, described emergency braking pre-control pressure sensor S4 is connected with described emergency valve.
5. motor train unit brak control unit according to claim 1, it is characterized in that: described deceleration of electrons control unit EBCU is primarily of power module, number connect test module, analog input and output module, main control unit, DNRA control module, communication module, man machine interface, memory module and WSP control module composition, and described aerobraking control unit PBCU and deceleration of electrons control unit EBCU is integrated in a control housing.
6. motor train unit brak control unit according to claim 2, it is characterized in that: described aerobraking control unit PBCU is also provided with long-range release valve, described long-range release valve is connected with brake-cylinder pressure output channel by pipeline, and train is provided with the switch controlling this long-range alleviation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565205.XU CN204055821U (en) | 2014-09-28 | 2014-09-28 | Motor train unit brak control unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565205.XU CN204055821U (en) | 2014-09-28 | 2014-09-28 | Motor train unit brak control unit |
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| CN204055821U true CN204055821U (en) | 2014-12-31 |
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| CN201420565205.XU Expired - Fee Related CN204055821U (en) | 2014-09-28 | 2014-09-28 | Motor train unit brak control unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260745A (en) * | 2014-09-28 | 2015-01-07 | 青岛思锐科技有限公司 | Motor train unit brake control unit |
| CN106428096A (en) * | 2016-10-13 | 2017-02-22 | 中车兰州机车有限公司 | Electric locomotive air brake gear and electric locomotive |
| CN107097806A (en) * | 2016-11-30 | 2017-08-29 | 中车青岛四方车辆研究所有限公司 | The electronic control system of AC drive locomotive brakes |
| CN108082206A (en) * | 2017-12-20 | 2018-05-29 | 中车长春轨道客车股份有限公司 | A kind of train braking cylinder control pressurer system and track train |
-
2014
- 2014-09-28 CN CN201420565205.XU patent/CN204055821U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260745A (en) * | 2014-09-28 | 2015-01-07 | 青岛思锐科技有限公司 | Motor train unit brake control unit |
| CN106428096A (en) * | 2016-10-13 | 2017-02-22 | 中车兰州机车有限公司 | Electric locomotive air brake gear and electric locomotive |
| CN107097806A (en) * | 2016-11-30 | 2017-08-29 | 中车青岛四方车辆研究所有限公司 | The electronic control system of AC drive locomotive brakes |
| CN107097806B (en) * | 2016-11-30 | 2019-01-18 | 中车青岛四方车辆研究所有限公司 | The electronic control system of AC drive locomotive braking system |
| CN108082206A (en) * | 2017-12-20 | 2018-05-29 | 中车长春轨道客车股份有限公司 | A kind of train braking cylinder control pressurer system and track train |
| CN108082206B (en) * | 2017-12-20 | 2019-06-28 | 中车长春轨道客车股份有限公司 | A kind of train braking cylinder control pressurer system and track train |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190509 Address after: No. 231, Ruichang Road, North District, Qingdao, Shandong Co-patentee after: QINGDAO SRI TECHNOLOGY Co.,Ltd. Patentee after: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Address before: 266000 Qingdao High-tech Industrial Development Zone, Shandong Province, on the south side of Xinye Road and on the west side of Herong Road Patentee before: QINGDAO SRI TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 |