CN107804342A - A kind of EMUs braking instruction conversion equipment - Google Patents
A kind of EMUs braking instruction conversion equipment Download PDFInfo
- Publication number
- CN107804342A CN107804342A CN201710928686.4A CN201710928686A CN107804342A CN 107804342 A CN107804342 A CN 107804342A CN 201710928686 A CN201710928686 A CN 201710928686A CN 107804342 A CN107804342 A CN 107804342A
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- CN
- China
- Prior art keywords
- braking instruction
- master control
- control borad
- backboard
- signal
- 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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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 29
- 241000271559 Dromaiidae Species 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000004088 simulation Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 9
- 238000013480 data collection Methods 0.000 abstract description 2
- 230000015556 catabolic process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010619 multiway switching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Devices In Control Systems (AREA)
Abstract
The invention discloses a kind of EMUs braking instruction conversion equipment.The braking instruction conversion equipment of the application uses standard 3U chassis designs in structure；According to the spec characteristic of external equipment on hardware, such as pressure sensor, hard signal, EP valves, data collection and control output signal circuit design is carried out using 32 high speed processors for integrating 10 high-precision adc modules；According to the pressure signal of collection and rigid line input signal on software, corresponding braking level is calculated, then control the output of rigid line input signal and EP control signals.It can effectively solve the problem that the bi-directional conversion problem between electrical command and BP pipe pressures.
Description
Technical field
The present invention relates to a kind of EMUs electrical command and BP pressure conversion technologies, equipment is placed in the rescue of each marshalling head car
In conversion equipment, by the conversion of BP pressure and electrical command, breakdown lorry is played and by braking instruction between breakdown lorry
Effectively transmit.
Background technology
EMUs when fault rescue, can not rely on itself independent operating on carload freight, time factory's maintenance and line,
Need to carry out rescue loopback operations by locomotive or the traction of other EMUs.Under this operating mode, relief car and needed between relief car
The transmission of braking instruction is realized by rescue converting device.
The content of the invention
Problem to be solved by this invention is, for it is above-mentioned in the prior art the shortcomings that, propose innovation scheme, especially one
Kind can effectively solve the problem that the bi-directional conversion problem between electrical command and BP pipe pressures, i.e.,：During rescue, according to hard signal state
Braking level is identified, and is converted into corresponding BP pipe pressures output；When being rescued, by detecting BP pipe pressures, calculate simultaneously
The corresponding braking level hard signal output of control.
The braking instruction conversion equipment of the application uses standard 3U chassis designs in structure；According to external equipment on hardware
Spec characteristic (pressure sensor, hard signal, EP valves), using integrate 10 high-precision adc modules 32 high speed processings
Device carries out data collection and control output signal circuit design；Believed on software according to the pressure signal of collection and On-off signal
Number, calculate corresponding braking level, then the output of controlling switch amount output signal and EP control signals.
To solve the above problems, the scheme that the present invention uses is as follows：The present invention relates to a kind of EMUs electrical command and BP
Pressure conversion technology, equipment are placed in the rescue converting device of each marshalling head car, by the conversion of BP pressure and electrical command, risen
Effective transmission to breakdown lorry and by braking instruction between breakdown lorry.
A kind of EMUs braking instruction conversion equipment, it is characterised in that the EMUs braking instruction conversion equipment includes
Power panel, master control borad, analog board, switch template and backboard；The power panel is used to provide needed for each processing modules of BDTU
The power supply wanted, isolation design is carried out between different electrical power；The analog board is used for BP pressure sensors input signal, BP pressure
Electric current exports and the output of EP valves electric current and the processing of feedback signal；The master control borad is used between BP pressure and braking level
Bi-directional conversion processing：When being detected as rescue mode, braking level is calculated according to the 4 way switch amount input signals collected, is entered
And target BP pressure is calculated, further according to the corresponding EP valves current value of the BP calculation of pressure and export, so as to by driving EP valves defeated
Go out BP pressure corresponding to the braking level, to realize conversion of the braking level to BP pressure；When being detected as by rescue mode, root
Target braking level is calculated according to the BP pressure values of collection, then this braking level is converted into 4 way switch amount output signals and exported,
So as to realize conversion of the BP pressure to braking level；The switch template is used for the drive for realizing multi-way switching values input/output signal
Dynamic circuit；The connection of signal and power supply that the backboard is used between all plates and plate；
A kind of EMUs braking instruction conversion equipment, it is characterised in that including power panel, analog board, switch template, master
Control plate and backboard；
The power line and information that the backboard is used to set between power panel, analog board, switch template and master control borad pass
Defeated circuit；
The power panel is used to provide 5V, 15V and 24V dc source respectively to analog board, switch template and master control borad；
The analog board is used for the 4~20mA current signals for receiving BP pressure sensors, and is converted to 0~5V voltages letter
Number, master control borad plate is then transferred to by backboard, believed for receiving the EP current controls that the master control borad transmitted by backboard is sent
Number, and EP electric currents constant current driving is exported to EP valves, so as to realize driving EP valve output target BC pressure, driven for receiving EP valves
Streaming current feedback signal, and EP electrohydraulic valve actuator stream feedback signals are converted into 0~5V voltage signals, then it is transferred to by backboard
Master control borad, EP valve feedback currents are calculated so that master control borad gathers；
The switch template is used to hard signal being converted to 5V on-off models, and is transferred to master control borad by backboard,
For receiving each braking instruction output signal of master control borad transmission, and it is switched into hard signal；
Rescue line that the master control borad transmits according to switch template and by rescue line judge current working for rescue mode or
By rescue mode, when rescue mode, the hard signal braking instruction transmitted by gathering switch template inputs 1, braking instruction
Input 2, braking instruction input 3, brake line input calculate braking level, and then calculate target BC pressure, then be scaled EP electric currents
And EP current controling signals are transferred to analog board；When by rescue mode, by the BP pressure for gathering analog board transmission
Signal of change brakes level, and then calculates each braking instruction output signal, and sends it to switch template.Then template is switched
Export corresponding hard signal.
The hard signal includes rescue line, by rescue line, braking instruction input 1, braking instruction input 2, braking instruction
Input 3, brake line input.
Software for Design：Mainly include pressure-level conversion, level-pressure conversion, man-machine interface, host computer command process
It is as follows etc. module, specific implementation function：Pressure-level conversion：Braking level is judged according to BP pressure values and exported；Level-pressure
Power is changed：The BP pressure according to corresponding to calculating braking level, then calculate corresponding EP valves control electric current and export.
The technique effect of the present invention is as follows：Standard 3U chassis designs, it is compact and flexible；Design of hardware and software is reliable and stable, simultaneously
Possess the bi-directional conversion function between electrical command and BP pressure, there is stronger applicability.
Brief description of the drawings
Fig. 1：EMUs braking instruction conversion equipment information control figure.
Embodiment
The present invention is described in further details below in conjunction with the accompanying drawings.Standard is used on this braking instruction conversion device structure
3U chassis designs, it is specific that power panel, analog board, switch template, master control borad and backboard, each circuit board are separately designed on hardware
Function is as follows：
1. power panel：
Different voltage levels direct current power supply signals are provided for analog board, switch template and master control borad, respectively 5V,
15V and 24V, is transmitted by backboard；
2. analog board：
1) 4~20mA current signals of BP pressure sensors are converted into 0~5V voltage signals and master is transferred to by backboard
Plate plate is controlled, BP pressure is calculated so that master control borad plate gathers；
2) according to the master control borad EP current controling signals transmitted by backboard, EP electric currents constant current driving output is realized, so as to
Realize driving EP valve output target BC pressure；
3) EP electrohydraulic valve actuator stream feedback signals are converted into 0~5V voltage signals and master control borad is transferred to by backboard, for
Master control borad collection calculates EP valve feedback currents；
3. switch template：
1) by 110V rescue line, by rescue line, braking instruction input 1, braking instruction input 2, braking instruction input 3 and
The rigid line input signals such as brake line input are converted to 5V on-off models and are transferred to master control borad by backboard, so that master control borad gathers
And calculate braking level input；
2) by the master control borad braking instruction output 1 of backboard transmission, braking instruction output 2, braking instruction output 3, brake line
The 5V on-off models such as output are converted to the output of 110V rigid lines output signal；
4. master control borad：
1) judge current working for rescue mode or by rescue mould according to the rescue line of switch template transmission and by rescue line
Formula；
2) under rescue mode, the braking instruction input signal transmitted by gathering switch template calculates braking level, and then
Target BC pressure is calculated, then is scaled EP electric currents and corresponding control signal is transferred to analog board；
3) by under rescue mode, the BP pressure signals transmitted by gathering analog board calculate braking level, and then calculate
Each braking instruction output signal, and gone out and export corresponding hard signal to switch template；
4) while LED charactrons, indicator lamp, button is provided and communicated by serial communication mode with host computer,
Safeguarded in order to the diagnosis of equipment.
The preferred embodiments of the present invention are the foregoing is only, are not restricted to the present invention, for the technology of this area
For personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included within scope of the presently claimed invention.
Claims (5)
1. a kind of EMUs braking instruction conversion equipment, it is characterised in that including power panel, analog board, switch template, master control
Plate and backboard；
The backboard is used to set the power line and transmission line of information between power panel, analog board, switch template and master control borad
Road；
The power panel is used to provide dc source respectively to analog board, switch template and master control borad；
The analog board is used for the current signal for receiving BP pressure sensors, and is converted to voltage signal, then passes through backboard
Master control borad plate is transferred to, for receiving the EP current controling signals that send of master control borad by backboard transmission, and by EP electric current controls
Signal processed is sent to EP valves, and 0 is converted to for receiving EP electrohydraulic valve actuator stream feedback signals, and by EP electrohydraulic valve actuator stream feedback signals
~5V voltage signals, are then transferred to master control borad by backboard；
The switch template is used to hard signal being converted to 5V on-off models, and is transferred to master control borad by backboard, is used for
Each braking instruction output signal that master control borad is sent is received, and it is switched into hard signal；
The rescue line and judged current working for rescue mode or rescued by rescue line that the master control borad transmits according to switch template
Pattern is helped, when rescue mode, the hard signal transmitted by gathering switch template calculates braking level, and then calculates target BC
Pressure, then be scaled EP electric currents and EP current controling signals are transferred to analog board；When by rescue mode, by gathering mould
The BP pressure signals of analog quantity plate transmission calculate braking level, and then calculate each braking instruction output signal, and send it to out
Close template.
2. EMUs braking instruction conversion equipment according to claim 1, it is characterised in that the analog board, which receives, to be passed through
The EP current controling signals that the master control borad of backboard transmission is sent, and EP current signals constant current driving is exported to EP valves.
3. EMUs braking instruction conversion equipment according to claim 1, it is characterised in that the power panel is used for simulation
Template, switch template and master control borad provide 5V, 15V and 24V dc source respectively.
4. EMUs braking instruction conversion equipment according to claim 1, it is characterised in that the analog board is used to receive
4~20mA current signals of BP pressure sensors, and 0~5V voltage signals are converted to, master control borad is then transferred to by backboard
Plate.
5. EMUs braking instruction conversion equipment according to claim 1, it is characterised in that the hard signal includes rescue
Line, 1, braking instruction input 2, braking instruction input 3, brake line input, braking instruction output are inputted by rescue line, braking instruction
1st, braking instruction output 2, braking instruction output 3, brake line output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710928686.4A CN107804342A (en) | 2017-10-09 | 2017-10-09 | A kind of EMUs braking instruction conversion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710928686.4A CN107804342A (en) | 2017-10-09 | 2017-10-09 | A kind of EMUs braking instruction conversion equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107804342A true CN107804342A (en) | 2018-03-16 |
Family
ID=61584132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710928686.4A Pending CN107804342A (en) | 2017-10-09 | 2017-10-09 | A kind of EMUs braking instruction conversion equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107804342A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323310A (en) * | 2008-07-22 | 2008-12-17 | 南车株洲电力机车有限公司 | Brake control unit for locomotive electro-pneumatic brake |
| CN201201610Y (en) * | 2008-08-22 | 2009-03-04 | 铁道部运输局 | Rescue converting device of high speed motor train unit braking system |
| KR100888387B1 (en) * | 2007-04-03 | 2009-03-13 | 현대로템 주식회사 | Method for controlling braking pressure of train driven by rescue train |
| CN102975738A (en) * | 2012-05-31 | 2013-03-20 | 南京浦镇海泰制动设备有限公司 | High speed train rescue conversion device |
| CN105005225A (en) * | 2015-07-07 | 2015-10-28 | 中国铁道科学研究院 | Rail vehicle rescue return device and rescue method thereof |
-
2017
- 2017-10-09 CN CN201710928686.4A patent/CN107804342A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100888387B1 (en) * | 2007-04-03 | 2009-03-13 | 현대로템 주식회사 | Method for controlling braking pressure of train driven by rescue train |
| CN101323310A (en) * | 2008-07-22 | 2008-12-17 | 南车株洲电力机车有限公司 | Brake control unit for locomotive electro-pneumatic brake |
| CN201201610Y (en) * | 2008-08-22 | 2009-03-04 | 铁道部运输局 | Rescue converting device of high speed motor train unit braking system |
| CN102975738A (en) * | 2012-05-31 | 2013-03-20 | 南京浦镇海泰制动设备有限公司 | High speed train rescue conversion device |
| CN105005225A (en) * | 2015-07-07 | 2015-10-28 | 中国铁道科学研究院 | Rail vehicle rescue return device and rescue method thereof |
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Application publication date: 20180316 |
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