CN107218258A - A kind of urban track traffic use for brake system hydraulic control unit - Google Patents
A kind of urban track traffic use for brake system hydraulic control unit Download PDFInfo
- Publication number
- CN107218258A CN107218258A CN201710522088.7A CN201710522088A CN107218258A CN 107218258 A CN107218258 A CN 107218258A CN 201710522088 A CN201710522088 A CN 201710522088A CN 107218258 A CN107218258 A CN 107218258A
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- CN
- China
- Prior art keywords
- oil
- pressure
- valve
- pipeline
- accumulator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The present invention relates to a kind of urban track traffic use for brake system hydraulic control unit, the oil-out of oil pump connects accumulator by pipeline, check valve is provided with the pipeline, petroleum pipeline is provided with pipeline between check valve and accumulator, oil transportation pipe end connects the pressure port of proportioning valve, and the pressure modulating opening of proportioning valve is connected with the oil pressure input port of brake clamp；The oil-out of oil pump connects fuel tank through pipe safety valve；Petroleum pipeline is also connected by pipeline with the oil inlet of manual relief valve, the oil-out connection fuel tank of manual relief valve, pressure sensor is provided with proportioning valve to the pipeline of brake clamp, braking oil pressure is monitored for vehicle EBCU, pressure sensor is also equipped with petroleum pipeline, accumulator oil pressure is monitored for vehicle EBCU.Proportioning valve receives the electric signal from vehicle EBCU, using accumulator as pressure oil-source, adjusts outlet pressure, and outlet pressure forms the feedback regulation of EBCU comparative example valve output pressures, it is ensured that the accurate output of ratio pressure regulating valve through pressure sensor feeds back EBCU.
Description
Technical field
The present invention relates to a kind of urban track traffic use for brake system hydraulic control unit, belong to track traffic hydraulic braking
Systems technology field.
Background technology
Urban track traffic is as new mode of transportation, and it is with large conveying quantity, high speed is punctual, save the spy such as space and the energy
Point, is increasingly becoming the important component of urban public transport, the major way gone on a journey as people.Brakes is city rail
The key equipment of road vehicular traffic, and hydraulic control unit is as the critical component in brakes, the quality of its performance is directly
The security that brakes is run to vehicle is had influence on, meanwhile, the performance of hydraulic pressure unit also determine brakes complex art
The raising of level.Hydraulic control list all will be improved and improved in countries in the world in Urban Rail Transit Development brake system process
Member is studied as a big event, therefore, develops a kind of hydraulic control unit of function admirable extremely urgent.
The content of the invention
It is an object of the invention to：Overcome the defect of above-mentioned prior art, propose a kind of urban track traffic brakes
With hydraulic control unit, the control instruction that the EBCU on vehicle is sent, hydraulic pressure unit internal regulation output oil pressure, conveying are received
In clamp into brakes, so as to realize the control braked to vehicle.
In order to achieve the above object, urban track traffic use for brake system hydraulic control unit proposed by the present invention, it is special
Levy and be：Including proportioning valve, fuel tank, accumulator, oil pump, drive oil pump motor, safety valve and manual relief valve, proportioning valve by
Control in EBCU, the oil-out of the oil pump is connected by pipeline is provided with check valve, check valve and accumulation of energy on accumulator, the pipeline
Petroleum pipeline is provided with pipeline between device, oil transportation pipe end connects the pressure port of proportioning valve, the pressure modulating opening of proportioning valve and braking
The oil pressure input port connection of clamp；The oil inlet of the oil-out of oil pump connection safety valve by the road, the oil-out of safety valve
Connect fuel tank；The petroleum pipeline is also connected by pipeline with the oil inlet of manual relief valve, the oil-out connection of manual relief valve
Pressure sensor is provided with fuel tank, the pipeline of proportioning valve to brake clamp, braking oil pressure, the oil transportation are monitored for vehicle EBCU
Pressure sensor is also equipped with pipe, accumulator oil pressure is monitored for vehicle EBCU.
In order to reach the object of the invention, this urban track traffic use for brake system hydraulic control unit also has special
Levy：
1st, the oil inlet of the oil pump is provided with oil absorption filter, and the oil-out of the oil pump is provided with high pressure filter, ratio
The pressure oil outlet of valve is provided with outlet filter.
2nd, the pressure relief opening connection fuel tank of proportioning valve.
3rd, the fuel tank is provided with anti-splashing device and air cleaner, and the anti-splashing device is connected with air cleaner
Connect.
4th, BECU, when oil pressure is not enough, is started motor, passed through by pressure sensor monitoring accumulator oil pressure on petroleum pipeline
Oil pump is oil-filled to accumulator；When oil pressure reaches requirement, stop motor.
This urban track traffic use for brake system hydraulic control unit is electric in hydraulic control unit using accumulator as oil sources
Pump group need to only start as accumulator pressurizing in accumulator during pressure shortage of oil, therefore motor interval starts, without transporting always
OK, be conducive to improving service life.Proportioning valve receives the electric signal from vehicle EBCU, using accumulator as pressure oil-source, regulation
Outlet pressure, outlet pressure forms the feedback regulation of EBCU comparative example valve output pressures, really through pressure sensor feeds back EBCU
The accurate output of guarantor's ratio pressure regulating valve.
The principle of the invention is succinct, compact conformation, it is adaptable to the limited occasion of installing space；Leakage rate is small, can protect for a long time
Pressure；Regulation precision is high, is conducive to the accurate control of brake force.
Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is hydraulic control unit asphalt principle figure of the present invention.
Label is schematically as follows in figure：
1- safety valves, 2- pumps, 3- oil absorption filters, 4- motors, 5- high pressure filters, 6- check valves, the manual relief valves of 7-, 8- is empty
Air filter, 9- first pressure sensors, 10- proportioning valves, 11- outlet filter, 12- second pressure sensors, 13- fuel tanks,
14- accumulators, 15- anti-splashing devices, 16- brake clamps, 17- petroleum pipelines.
Embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, urban track traffic use for brake system hydraulic control unit of the embodiment of the present invention, including proportioning valve
10th, fuel tank 13, accumulator 14, oil pump 2, motor 4, safety valve 1 and the manual relief valve 7 for driving oil pump, proportioning valve 10 are controlled by
EBCU, the oil-out of oil pump 2 is connected by pipeline is provided with check valve 6, check valve 6 and accumulator on accumulator 14, the pipeline
Petroleum pipeline 17 is provided with pipeline between 14, the end of petroleum pipeline 17 connects the pressure port of proportioning valve 10, the pressure regulation of proportioning valve 10
Mouth is connected with the oil pressure input port of brake clamp 16, the pressure relief opening connection fuel tank of proportioning valve 10.The oil-out of oil pump 2 connects by the road
Connect the oil inlet of safety valve 1, the oil-out connection fuel tank 13 of safety valve 1；Petroleum pipeline 17 also passes through pipeline and manual relief valve 7
Oil inlet is connected, the oil-out connection fuel tank 13 of manual relief valve 7, and petroleum pipeline 17 is provided with first pressure sensor 9, for vehicle
EBCU monitors the oil pressure of accumulator 14；Second pressure sensor 11 is provided with proportioning valve 10 to the pipeline of brake clamp 16, is supplied
Vehicle EBCU monitors braking oil pressure.The oil inlet of oil pump 2 is provided with oil absorption filter 3, and the oil-out of oil pump 2 is provided with height and pressed through
Filter 5, the pressure modulating opening of proportioning valve 10 is provided with outlet filter 11.As shown in figure 1, fuel tank 13 is provided with the He of anti-splashing device 15
Air cleaner 8, anti-splashing device 15 is connected with air cleaner 8.
Hydraulic control unit of the present invention has pressure regulation, two kinds of working conditions of pressurize.
Pressure regulation：Proportioning valve 10 receives the electric signal from vehicle EBCU, using accumulator as pressure oil-source, regulation outlet pressure
Power, meanwhile, outlet pressure feeds back to EBCU through pressure sensor 12, and the feedback for forming the output pressure of EBCU comparative examples valve 10 is adjusted
Section, it is ensured that the accurate output of ratio pressure regulating valve.
Pressurize：The output pressure of proportioning valve 10 is adjusted to after goal pressure, keeps output pressure stable, while the three of proportioning valve
Individual hydraulic fluid port is in not connected state, and hydraulic control unit is in packing state.
BECU, when oil pressure is not enough, is started motor, passes through oil by pressure sensor monitoring accumulator oil pressure on petroleum pipeline
Pump is oil-filled to accumulator；When oil pressure reaches requirement, stop motor.
In addition to the implementation, the present invention can also have other embodiment.All use equivalent substitution or equivalent transformation shape
Into technical scheme, all fall within the protection domain of application claims.
Claims (5)
1. a kind of urban track traffic use for brake system hydraulic control unit, it is characterised in that：Including proportioning valve, fuel tank, accumulation of energy
Device, oil pump, motor, safety valve and the manual relief valve for driving oil pump, proportioning valve are controlled by EBCU, and the oil-out of the oil pump leads to
Cross on pipeline connection accumulator, the pipeline and be provided with check valve, petroleum pipeline is provided with the pipeline between check valve and accumulator,
Oil transportation pipe end connects the pressure port of proportioning valve, and the pressure modulating opening of proportioning valve is connected with the oil pressure input port of brake clamp；The oil
The oil inlet of the oil-out of pump connection safety valve by the road, the oil-out connection fuel tank of safety valve；The petroleum pipeline also passes through pipe
Road is connected with the oil inlet of manual relief valve, the oil-out connection fuel tank of manual relief valve, the pipeline of proportioning valve to brake clamp
On be provided with pressure sensor, monitor braking oil pressure for vehicle EBCU, pressure sensor be also equipped with the petroleum pipeline, for car
EBCU monitoring accumulator oil pressure.
2. urban track traffic use for brake system hydraulic control unit according to claim 1, it is characterised in that：The oil pump
Oil inlet oil absorption filter is installed, the oil-out of the oil pump is provided with high pressure filter, the pressure oil output of proportioning valve
Mouth is provided with outlet filter.
3. urban track traffic use for brake system hydraulic control unit according to claim 1, it is characterised in that：Proportioning valve
Pressure relief opening connects fuel tank.
4. urban track traffic use for brake system hydraulic control unit according to claim 1, it is characterised in that：The fuel tank
Anti-splashing device and air cleaner are installed, the anti-splashing device is connected with air cleaner.
5. urban track traffic use for brake system hydraulic control unit according to claim 1, it is characterised in that：BECU passes through
Pressure sensor monitoring accumulator oil pressure on petroleum pipeline, when oil pressure is not enough, starts motor, oil-filled to accumulator by oil pump；
When oil pressure reaches requirement, stop motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522088.7A CN107218258A (en) | 2017-06-30 | 2017-06-30 | A kind of urban track traffic use for brake system hydraulic control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522088.7A CN107218258A (en) | 2017-06-30 | 2017-06-30 | A kind of urban track traffic use for brake system hydraulic control unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107218258A true CN107218258A (en) | 2017-09-29 |
Family
ID=59950672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710522088.7A Pending CN107218258A (en) | 2017-06-30 | 2017-06-30 | A kind of urban track traffic use for brake system hydraulic control unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107218258A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969155A (en) * | 2017-12-28 | 2019-07-05 | 比亚迪股份有限公司 | Municipal rail train |
| CN109969222A (en) * | 2017-12-28 | 2019-07-05 | 比亚迪股份有限公司 | Municipal rail train |
| CN112373452A (en) * | 2020-11-24 | 2021-02-19 | 湖北塞弗精工科技有限公司 | Hydraulic braking device |
| CN112555234A (en) * | 2019-09-10 | 2021-03-26 | 上海中车艾森迪海洋装备有限公司 | Automatic pressure regulating system for regulating oil leakage pressure of underwater operation equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2075607A (en) * | 1980-03-25 | 1981-11-18 | Rexroth Gmbh G L | Charging valve system for hydraulic accumulators |
| EP0091348A1 (en) * | 1982-03-30 | 1983-10-12 | BENDIX France | Governor valve for the simultaneous supply of hydraulic closed and open centre systems |
| CN102582606A (en) * | 2012-03-16 | 2012-07-18 | 上海庞丰交通设备科技有限公司 | Hydraulic brake device |
| CN104960514A (en) * | 2015-07-13 | 2015-10-07 | 青岛四方车辆研究所有限公司 | Passive hydraulic pressure braking system for railroad car |
| CN105000008A (en) * | 2015-07-13 | 2015-10-28 | 青岛四方车辆研究所有限公司 | Active tram hydraulic braking system with high speed switch valve |
| CN105383471A (en) * | 2015-11-30 | 2016-03-09 | 南京浦镇海泰制动设备有限公司 | Hydraulic braking control device for tramcars |
-
2017
- 2017-06-30 CN CN201710522088.7A patent/CN107218258A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2075607A (en) * | 1980-03-25 | 1981-11-18 | Rexroth Gmbh G L | Charging valve system for hydraulic accumulators |
| EP0091348A1 (en) * | 1982-03-30 | 1983-10-12 | BENDIX France | Governor valve for the simultaneous supply of hydraulic closed and open centre systems |
| CN102582606A (en) * | 2012-03-16 | 2012-07-18 | 上海庞丰交通设备科技有限公司 | Hydraulic brake device |
| CN104960514A (en) * | 2015-07-13 | 2015-10-07 | 青岛四方车辆研究所有限公司 | Passive hydraulic pressure braking system for railroad car |
| CN105000008A (en) * | 2015-07-13 | 2015-10-28 | 青岛四方车辆研究所有限公司 | Active tram hydraulic braking system with high speed switch valve |
| CN105383471A (en) * | 2015-11-30 | 2016-03-09 | 南京浦镇海泰制动设备有限公司 | Hydraulic braking control device for tramcars |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969155A (en) * | 2017-12-28 | 2019-07-05 | 比亚迪股份有限公司 | Municipal rail train |
| CN109969222A (en) * | 2017-12-28 | 2019-07-05 | 比亚迪股份有限公司 | Municipal rail train |
| CN112555234A (en) * | 2019-09-10 | 2021-03-26 | 上海中车艾森迪海洋装备有限公司 | Automatic pressure regulating system for regulating oil leakage pressure of underwater operation equipment |
| CN112555234B (en) * | 2019-09-10 | 2023-06-30 | 上海中车艾森迪海洋装备有限公司 | Automatic pressure regulating system for regulating oil leakage pressure of underwater operation equipment |
| CN112373452A (en) * | 2020-11-24 | 2021-02-19 | 湖北塞弗精工科技有限公司 | Hydraulic braking device |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170929 |