CN2706750Y - Microcomputerized train brake experiment system - Google Patents
Microcomputerized train brake experiment system Download PDFInfo
- Publication number
- CN2706750Y CN2706750Y CN 200420010959 CN200420010959U CN2706750Y CN 2706750 Y CN2706750 Y CN 2706750Y CN 200420010959 CN200420010959 CN 200420010959 CN 200420010959 U CN200420010959 U CN 200420010959U CN 2706750 Y CN2706750 Y CN 2706750Y
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- pressure
- valve
- train
- control
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Abstract
The utility model relates to a microcomputer controlled train brake experiment system, comprising a pressure control component, a pressure testing component and a computer for controlling. The pressure control component comprises an electronic constant pressure valve and a relay valve, and the pressure testing component comprises a pressure transmitter and a pressure detector of the train tail with the function of cordless emission. The input end of the pressure transmitter is connected on the outlet of the relay valve, and the output end of the pressure transmitter is connected on the input end port of the computer. The signal of digital pressure output by the pressure detector of the train tail is accepted by the computer, the output port of the computer is connected with the input end of the control signal of the electronic constant pressure valve, and the delivery outlet of the control air pressure of the electronic constant pressure valve is connected with the inlet of the control are pressure of the relay valve. The utility model has high efficiency, easy operation, reliable data and stable capability, and the whole testing of the passenger car and the lorry can be completed.
Description
Technical field
The utility model belongs to the train brake mechanism experiment system.
Background technology
Each vehicle wind path of train is unimpeded and do not leak out, piston travel is the basis of brake system during train is advanced, train brake mechanism experiment is used for detecting quality, the effect of brake and drive system for vehicle with tow, is last procedure of maintenance vehicle, must make brake experiment before the each outbound of vehicle.For many years, train brake mechanism experiment mainly by the big lock of JZ-7, carries out manual work, and manual control valve is in different gears, reads record data from pointer pressure.Therefore, the technical ability, experience and the sense of responsibility that accurately mainly depend on the tradesman of the effect of brake experiment, data.At the bottom of the efficiency, operate loaded down with trivial detailsly, data reliability is poor, is difficult to inquiry afterwards.Also useful solenoid valve and relay valve be as Pressure Control Unit, but still exist the control inaccurate, the defective of data reliability difference.
Summary of the invention
The purpose of this utility model provides that a kind of efficient height, easy and simple to handle, data are reliable, the system controlled by computer train brake mechanism experiment system of stable performance.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is: a kind of system controlled by computer train brake mechanism experiment system, comprise Pressure Control Unit, the computing machine of pressure detecting part and control usefulness, described Pressure Control Unit comprises electronics constant pressure valve and relay valve, pressure detecting part comprises pressure unit and the last vehicle of train pressure detector with wireless transmit function, the pressure unit input end is connected to the relay valve outlet, pressure unit output termination computing machine input port, the digital pressure signal of last vehicle of train pressure detector output is received by computing machine, the fanout mouth connects electronics constant pressure valve signal input end, and the control air pressure delivery outlet of electronics constant pressure valve connects the control air pressure input port of relay valve.
The last vehicle of train pressure detector by pressure transducer, single-chip microcomputer, wireless transmitter module, button is set and display circuit is formed, the pressure transducer output terminal connects the single-chip microcomputer input port, the single-chip microcomputer output port connects the wireless transmitter module input end, and the corresponding interface that button and display circuit connect single-chip microcomputer is set.
The utility model is controlled air pressure by computing machine to electronics constant pressure valve output analog control signal and by the output of electronics constant pressure valve, control relay valve and change its ventilation aperture, regulate air intake, ventilation velocity, realize efficiently filling air draft control, form the effective closed-loop work system, high-quality is finished Total Test, and is simple in structure, and control flexibly.Because the utility model is measured train initial and end portion pressure in real time by pressure unit and last vehicle of train pressure detector, the control of participation process of the test, therefore can generate and show three trial curves (train manage-style pressure, total blast, row tail blast), for the testing crew reference.This system environments adaptability is strong, structure is small and exquisite, can finish the Total Test process of passenger vehicle, lorry, and data are reliable, stable performance.
The utility model is compared with traditional braking machine pilot system, and advantage sees the following form:
| Sequence number | Project | The big lock of JZ-7 | Solenoid valve+relay valve | The utility model |
| 1 | Brake experiment | Can not do to sew | Full step | The passenger-cargo carriage overall process |
| 2 | Reliability | High | High | High |
| 3 | Volume | Greatly | Less | Reduce 50% |
| 4 | Data recording | The staff is hand-written | The microcomputer record | The microcomputer record |
| 5 | Working environment | More than 0 ℃ | More than-20 ℃ | -20℃～65℃ |
| 6 | Cost | 1.5 ten thousand yuan | 30,000 yuan | 30,000 |
| 7 | Verification | Periodic check | Periodic check | Convenient, the adjustment automatically of verification |
| 8 | Adaptability | Level pressure 500kPa or 600kPa can not arbitrarily change | Level pressure 500kPa or 600kPa can not arbitrarily change | Level pressure can be selected (500 or 600kPa) as required, |
Description of drawings
Fig. 1 is that system of the present utility model constitutes synoptic diagram;
Fig. 2 is the theory diagram of last vehicle of train pressure detector.
Embodiment
As shown in Figure 1, system controlled by computer train brake mechanism experiment system comprises the computing machine of Pressure Control Unit, pressure detecting part and control usefulness, Pressure Control Unit comprises electronics constant pressure valve and relay valve, pressure detecting part comprises pressure unit and the last vehicle of train pressure detector with wireless transmit function, the pressure unit input end is connected to the relay valve outlet, pressure unit output termination computing machine input port, the fanout mouth connects electronics constant pressure valve signal input end, and the control air pressure delivery outlet of electronics constant pressure valve connects the control air pressure input port of relay valve.Among Fig. 1, the A place connects blast main, and the B place connects the train brake pipe stem, and the C place connects the train brake pipe afterbody.In the utility model, electronics constant pressure valve, relay valve and pressure unit all have standardized product can supply to adopt.
The last vehicle of train pressure detector also has existing mature technology, Fig. 2 has provided a kind of example, as shown in the figure, the last vehicle of train pressure detector by pressure transducer, single-chip microcomputer, wireless transmitter module, button is set and display circuit is formed, the pressure transducer output terminal connects the single-chip microcomputer input port, the single-chip microcomputer output port connects the wireless transmitter module input end, and button and display circuit the corresponding interface by single-chip microcomputer is set.The digital pressure signal of wireless transmitter module output is received by the wireless receiving module in the computing machine.
Principle of work of the present utility model is as follows: after beginning test, pressure unit is measured relaying valve outlet port pressure (being train pipe stem pressure), the last vehicle of train pressure detector is measured train pipe afterbody pressure, and with pressure data by wireless mode be transferred to control usefulness computing machine, the pressure data that computer system is returned according to pressure unit and last vehicle of train pressure detector, require to carry out exporting control data behind the sequential operation according to the brake experiment rules, after the D/A conversion, generate analog control signal, control electronics constant pressure valve output control air pressure, control relay valve and change its ventilation aperture, air draft control is filled in realization, form the effective closed-loop work system, high-quality is finished Total Test.This system environments adaptability is strong, structure is small and exquisite, can finish the Total Test process of passenger vehicle, lorry, and data are reliable, stable performance.
Claims (2)
1, a kind of system controlled by computer train brake mechanism experiment system, comprise Pressure Control Unit, the computing machine of pressure detecting part and control usefulness, it is characterized in that, described Pressure Control Unit comprises electronics constant pressure valve and relay valve, pressure detecting part comprises pressure unit and the last vehicle of train pressure detector with wireless transmit function, the pressure unit input end is connected to the relay valve outlet, pressure unit output termination computing machine input port, the digital pressure signal of last vehicle of train pressure detector output is received by computing machine, the fanout mouth connects electronics constant pressure valve signal input end, and the control air pressure delivery outlet of electronics constant pressure valve connects the control air pressure input port of relay valve.
2, pilot system as claimed in claim 1, it is characterized in that, the last vehicle of train pressure detector by pressure transducer, single-chip microcomputer, wireless transmitter module, button is set and display circuit is formed, the pressure transducer output terminal connects the single-chip microcomputer input port, the single-chip microcomputer output port connects the wireless transmitter module input end, and button and display circuit the corresponding interface by single-chip microcomputer is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420010959 CN2706750Y (en) | 2004-06-04 | 2004-06-04 | Microcomputerized train brake experiment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420010959 CN2706750Y (en) | 2004-06-04 | 2004-06-04 | Microcomputerized train brake experiment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2706750Y true CN2706750Y (en) | 2005-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420010959 Expired - Lifetime CN2706750Y (en) | 2004-06-04 | 2004-06-04 | Microcomputerized train brake experiment system |
Country Status (1)
| Country | Link |
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| CN (1) | CN2706750Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102099233A (en) * | 2008-07-24 | 2011-06-15 | 三菱电机株式会社 | Train braking device |
| CN102323018A (en) * | 2011-08-19 | 2012-01-18 | 南车株洲电力机车有限公司 | Test bed for detecting comprehensive performance of air pipeline cabinet of locomotive braking system |
| CN101722949B (en) * | 2009-12-23 | 2012-11-21 | 张永强 | System for monitoring locomotive brake |
| CN104266850A (en) * | 2014-09-25 | 2015-01-07 | 中国铁道科学研究院 | Warehouse-out routine detecting system for passenger train tail devices |
| CN106427973A (en) * | 2016-11-28 | 2017-02-22 | 中车长春轨道客车股份有限公司 | Method for screening CRH380 series motor train unit relay valve |
| CN108039085A (en) * | 2018-01-15 | 2018-05-15 | 华东交通大学 | A kind of bicycle retardation test simulator implementation method |
| CN108303269A (en) * | 2018-02-01 | 2018-07-20 | 广州市米萨汽车电子科技有限公司 | Fault detection system and method for motor vehicle braking system |
-
2004
- 2004-06-04 CN CN 200420010959 patent/CN2706750Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102099233A (en) * | 2008-07-24 | 2011-06-15 | 三菱电机株式会社 | Train braking device |
| CN102099233B (en) * | 2008-07-24 | 2013-10-23 | 三菱电机株式会社 | Train braking device |
| CN101722949B (en) * | 2009-12-23 | 2012-11-21 | 张永强 | System for monitoring locomotive brake |
| CN102323018A (en) * | 2011-08-19 | 2012-01-18 | 南车株洲电力机车有限公司 | Test bed for detecting comprehensive performance of air pipeline cabinet of locomotive braking system |
| CN104266850A (en) * | 2014-09-25 | 2015-01-07 | 中国铁道科学研究院 | Warehouse-out routine detecting system for passenger train tail devices |
| CN106427973A (en) * | 2016-11-28 | 2017-02-22 | 中车长春轨道客车股份有限公司 | Method for screening CRH380 series motor train unit relay valve |
| CN108039085A (en) * | 2018-01-15 | 2018-05-15 | 华东交通大学 | A kind of bicycle retardation test simulator implementation method |
| CN108303269A (en) * | 2018-02-01 | 2018-07-20 | 广州市米萨汽车电子科技有限公司 | Fault detection system and method for motor vehicle braking system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140604 Granted publication date: 20050629 |