CN203020300U - Brake control unit used for high-speed multiple unit train and urban rail transit vehicle - Google Patents
Brake control unit used for high-speed multiple unit train and urban rail transit vehicle Download PDFInfo
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- CN203020300U CN203020300U CN 201220718899 CN201220718899U CN203020300U CN 203020300 U CN203020300 U CN 203020300U CN 201220718899 CN201220718899 CN 201220718899 CN 201220718899 U CN201220718899 U CN 201220718899U CN 203020300 U CN203020300 U CN 203020300U
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- valve
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- brake
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- Braking Systems And Boosters (AREA)
Abstract
The utility model relates to a brake control unit used for a high-speed multiple unit train and an urban rail transit vehicle. The brake control unit comprises an empty electric conversion valve, an emergency valve, an empty weight car valve and a relay valve, wherein the empty electric conversion valve is connected with the emergency valve by virtue of a pipeline; the emergency valve is connected with the empty weight car valve with the pipeline; and the empty weight car valve is connected with the relay valve by the pipeline. The brake control unit also comprises a connection board and an integrated gas circuit board installed on the connection board, and the connection board is installed on a hanging bracket on the bottom of a car body. The empty electric conversion valve, the emergency valve, the empty weight car valve and the relay valve are all installed on the integrated gas circuit board. According to the brake control unit, modular design is adopted, the empty electric conversion valve, the emergency valve, the empty weight car valve and the relay valve are integrally installed on the integrated gas circuit board, the integrated gas circuit board is installed on the hanging bracket on the bottom of the car body by adopting an integrated hoisting manner, the interconvertibility is relatively high, and the maintenance is convenient.
Description
Technical field
The utility model relates to the braking control system of guideway vehicle, specifically, relates 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 by the electric change-over valve of sky the braking instruction electric signal that electronic control unit sends to corresponding pre-control pressure signal, and carry out corresponding load compensation correction by empty and load brake regulator when emergency braking, make rail traffic vehicles apply braking and alleviate according to instruction.
Can brak control unit realize accurate, the stable control of power for braking control system, plays vital effect.But existing brak control unit, some adoption rate solenoid control brake-cylinder pressures, the linearity of controlling after long-term the use is unstable, affects control accuracy; Some emergency valve reliability is not enough, can not normally alleviate after causing emergency braking, affects train and normally runs; Some pressure tests are inconvenient, affect the comfort feature of working service; The Redundancy Design that also has is not enough, affects the reliability of product.
The utility model content
The utility model for existing control unit exist in braking procedure can not be accurately, the above-mentioned deficiencies such as stable control braking force and inconvenient maintenance, provide a kind of and can satisfy EMU and the city rail traffic vehicle brak control unit that requirement is controlled in the effect of micro-computer controlled straight electro-pneumatic braking system emergency braking, 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.
The technical solution of the utility model 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 arranged on connecting panel, and connecting panel is arranged 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 integrated air board.
Preferably, also arranging on 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 used 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 arranged on integrated air board.
Preferably, in the service braking situation, empty electric change-over valve produces according to the control signal of electronic control unit the pre-control pressure that adapts with demand braking force, 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, make relay valve open the path of braking between storage reservoir and 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, make relay valve open the path of braking between storage reservoir and brake cylinder, form the brake-cylinder pressure that meets the emergency braking requirement.
The beneficial effects of the utility model are: (1) the utility model 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 arranged on the suspension bracket of vehicle bottom, have higher interchangeability, easy to maintenance.(2) the utility model 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 car when connecting; And can test empty spring pressure, brake-cylinder pressure, pre-control pressure, storage reservoir pressure by external device.(3) the utility model carries out communication by electrical cnnector and electronic control unit, can Quick release, and easy to use.(4) the utility model is provided with protective cover, is arranged on integrated air board, plays the effect of waterproof and dustproof.(5) the utility model in the service braking situation, can consist of closed loop control with electronic control unit, 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 utility model under brake condition, can be controlled brake-cylinder pressure according to the variation of car load, 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 utility model specific embodiment.
Accompanying drawing 2 is the lateral plan of the utility model specific embodiment.
Accompanying drawing 3 is the schematic diagram of gas circuit of the utility model specific embodiment.
Accompanying drawing 4 is the utility model service braking constitution diagram.
Accompanying drawing 5 is the utility model emergency braking condition figure.
Accompanying drawing 6 is packing state figure after the utility model service braking.
Accompanying drawing 7 is the rear relieved state figure of the utility model braking.
The specific embodiment
The utility model is described in more 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 arranged on connecting panel 5, and connecting panel 5 is arranged 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 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 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 used 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 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 the storage of self-retention in the future 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 arranged on 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, make relay valve open the path of braking between storage reservoir and 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, make relay valve open the path of braking between storage reservoir and 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 exhaust solenoid valve self-retention in the future 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 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 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 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 relay valve, make at last brake cylinder obtain emergency brake pressure.If emergency valve breaks down, connect the path between braking storage reservoir and empty and load brake regulator, 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 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 alleviation process, and can test relevant pressure by each pressure test interface.
During service braking, emergency valve can be used as the standby function unit of inflation electromagnetic valve.
During emergency braking, fill, exhaust solenoid valve can produce EMER emergency pressure.
Claims (8)
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 arranged on connecting panel, and connecting panel is arranged 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 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 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 used 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 arranged on integrated air board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220718899 CN203020300U (en) | 2012-12-24 | 2012-12-24 | Brake control unit used for high-speed multiple unit train and urban rail transit vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220718899 CN203020300U (en) | 2012-12-24 | 2012-12-24 | Brake control unit used for high-speed multiple unit train and urban rail transit vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203020300U true CN203020300U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220718899 Expired - Lifetime CN203020300U (en) | 2012-12-24 | 2012-12-24 | Brake control unit used for high-speed multiple unit train and urban rail transit vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203020300U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010251A (en) * | 2012-12-24 | 2013-04-03 | 青岛四方车辆研究所有限公司 | Braking control unit for high-speed motor train units and urban rail transit vehicles |
| CN105966386A (en) * | 2016-05-26 | 2016-09-28 | 中车大连机车车辆有限公司 | Air brake part centralizing mounting device for large-power shunt |
| CN107479533A (en) * | 2017-08-10 | 2017-12-15 | 中车青岛四方车辆研究所有限公司 | Locomotive brake control module fatigue experimental device and method |
| CN114954388A (en) * | 2022-05-18 | 2022-08-30 | 中车制动***有限公司 | Emergency braking control system and method |
-
2012
- 2012-12-24 CN CN 201220718899 patent/CN203020300U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010251A (en) * | 2012-12-24 | 2013-04-03 | 青岛四方车辆研究所有限公司 | Braking control unit for high-speed motor train units and urban rail transit vehicles |
| CN103010251B (en) * | 2012-12-24 | 2015-09-16 | 青岛四方车辆研究所有限公司 | EMU and city rail traffic vehicle brak control unit |
| CN105966386A (en) * | 2016-05-26 | 2016-09-28 | 中车大连机车车辆有限公司 | Air brake part centralizing mounting device for large-power shunt |
| CN107479533A (en) * | 2017-08-10 | 2017-12-15 | 中车青岛四方车辆研究所有限公司 | Locomotive brake control module fatigue experimental device and method |
| CN114954388A (en) * | 2022-05-18 | 2022-08-30 | 中车制动***有限公司 | Emergency braking control system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 266031 Shandong province Qingdao City, Ruichang Road No. 231 Patentee after: QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Address before: 266000 Ruichang Road, Shandong, China, No. 231, No. Patentee before: QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266031 Shandong province Qingdao City, Ruichang Road No. 231 Patentee after: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Address before: 266031 Shandong province Qingdao City, Ruichang Road No. 231 Patentee before: QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |