CN207817452U - A kind of portable multi-standard track signal simulator - Google Patents
A kind of portable multi-standard track signal simulator Download PDFInfo
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- CN207817452U CN207817452U CN201721807328.XU CN201721807328U CN207817452U CN 207817452 U CN207817452 U CN 207817452U CN 201721807328 U CN201721807328 U CN 201721807328U CN 207817452 U CN207817452 U CN 207817452U
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Abstract
A kind of portable multi-standard track signal simulator, including the power supply module, MCU processing modules and the signal output module that sequentially connect, wherein：Power supply module includes power module and charger baby, MCU processing modules include cpu system, button ＆ dial-ups circuit module, LED light and RS485 communication modules, cpu system detects input signal and control output signal, detect the signal of button ＆ dial-up circuit modules, identification needs the signal exported, then it controls corresponding LED light to show, and exports corresponding direct current/25Hz/50Hz/ZPW2000 series of signals；Signal output module receives the output signal and control signal of MCU processing modules.Its advantage is that it is reasonable for structure, it is powerful, the track signal of multiple types can be exported, and can the transmission signal of host computer be stored and be exported, greatly facilitate detection work.
Description
Technical field
The utility model is related to monitor, test, espespecially a kind of portable multi-standard track signal simulator.
Background technology
Before Railway Site new website is opened, since signalling arrangement is in off-position, cannot provide signals to monitoring system into
Row measures calibration, and nondeterministic statement, the mistake such as wiring, configuration in work progress and monitoring are in when monitoring system being caused to be opened
Equipment fault cannot find and handle in time.The partial simulation amount of railway voltage signal is provided usually using function generator and is opened
Pass amount is used as test signal verification system configuration and channel status.It, which has the drawback that, cannot provide track current signal and portion
Point of rail road voltage signal, and volume is not larger portable, and very big inconvenience is brought to the use at scene.
Invention content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of portable multi-standard track signal moulds
Quasi- device.Be intended to provide railway voltage/current signal various analog quantitys and switching value be used as test signal verification system configuration and
Channel status.
Technical solution adopted by the utility model to solve its technical problems is：A kind of portable multi-standard track letter is provided
Number simulator, it is characterised in that：Including power supply module, MCU processing modules and the signal output module sequentially connected, wherein：
Power supply module includes power module and battery module, and power module detects external power supply input, generates entire circuit
Required supply voltage when no external power supply is powered, closes external power supply power supply, and conversion is powered by battery module, is there is outside
When plant-grid connection, powered by battery module power switching to external power supply；
MCU processing modules include cpu system, button ＆ dial-ups circuit module, LED light and RS485 communication modules, cpu system
Input signal and control output signal are detected, the signal of button ＆ dial-up circuit modules is detected, identification needs the signal exported, so
After control corresponding LED light and show, and export corresponding direct current/25Hz/50Hz/ZPW2000 series of signals；
Signal output module receives the control signal of MCU processing modules, exports corresponding direct current/25Hz/50Hz/
ZPW2000 series voltages/current signal.
Further：
Power module includes three-way power conversion circuit, generates 3.3V, 12V and 24V supply voltage needed for entire circuit.
The I/O mouths of MCU are connected with 3 relays, are controlled required for the actuation output of 3 relays by the I/O mouths of MCU
Signal.
The utility model has the beneficial effects that：It is reasonable for structure, it is powerful, the track signal of multiple types can be exported, and
The transmission signal of host computer can be stored and be exported, greatly facilitate detection work.
Description of the drawings
The utility model will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the system construction drawing of portable multi-standard track signal simulator.
Fig. 2 is the structure chart of power module.
Fig. 3 is the detailed schematic diagram in power module switching power supply source.
Fig. 4 is the structure chart of MCU processing modules.
Fig. 5 is the structure chart of signal output module.
Specific implementation mode
Referring to attached drawing, a kind of portable multi-standard track signal simulator of the utility model, including the power supply that sequentially connects
Module 1, MCU processing modules 2 and signal output module 3, wherein：
Power supply module 1 includes power module 11 and battery module 12, and power module 11 detects external DC12V inputs, power supply
Module 11 includes three-way power conversion circuit, generates 3.3V, 12V and 24V supply voltage needed for entire circuit, no external power supply
When power supply, closes then external power supply and power, conversion is powered by battery module, when there is external power supply access, is supplied by battery module
Cutting changes to external DC12V power supply power supplies；
MCU processing modules 2 include cpu system 21, button ＆ dial-ups circuit module 22, LED light 23 and RS485 communication modules
24, cpu system 21 detects input signal and control output signal by the I/O mouths of MCU, and the I/O mouths detection by detecting MCU is pressed
The signal of key ＆ dial-ups circuit module 22, identification need the signal exported, then control corresponding LED light and show, and by MCU's
DAC function modules export corresponding direct current/25Hz/50Hz/ZPW2000 series of signals and lead to respectively used here as two-way DAC
To the voltage amplification module and current conversion module of signal output module 3.In addition to this MCU is received by USART Peripheral Interfaces
The fixed waveform that host computer is sent, the fixed waveform will be stored in CPU, and be controlled by judging push button signalling
Output.
Signal output module 3 receives the control signal of MCU processing modules 2, exports corresponding direct current/25Hz/50Hz/
ZPW2000 series voltages/current signal.(voltage/current circuit and control relay circuit after the two-way DAC outputs of MCU
Belong to signal output module 3)
1) output waveform of the DAC1 of MCU exports amplified 25Hz/50Hz/ZPW2000 systems by voltage amplification module
Column voltage signal or host computer transmit signal, and amplitude is there are two types of selection, and one is 3V, and one is 15V；
2) output waveform of the DAC2 of MCU exports direct current/25Hz/50Hz/ZPW2000 series after current conversion module
Current signal or host computer transmit signal, and amplitude is there are two types of selection, and one is 0.5A, and one is 0.25A；
3) actuation that 3 relays are controlled by the I/O of MCU mouths exports required signal.
The utility model is reasonable for structure, powerful, can export the track signal of multiple types, and can be to the biography of host computer
The number of delivering letters is stored and is exported, and detection work is greatly facilitated.The portable multi-standard track signal simulator can not only export
The phase-sensitive track voltage/current signals of 25Hz, the phase-sensitive track voltage/current signals of 50Hz, shift frequency voltage/electricity of ZPW2000
Flow signal, direct current 24V voltage signals and direct current 0.5A current signals, moreover it is possible to which the transmission signal of host computer is stored and exported.It can
Various analog quantitys are provided before being opened for Railway Site new website and switching value is used as test signal verification system configuration and channel status,
And it finds in time and handles monitoring device failure.
Claims (3)
1. a kind of portable multi-standard track signal simulator, it is characterised in that：Including sequentially connect power supply module, at MCU
Module and signal output module are managed, wherein：
Power supply module includes power module and battery module, and power module detects external power supply input, generates needed for entire circuit
Supply voltage, when the power supply of no external power supply, close external power supply power supply, conversion is powered by charger baby, connect there is external power supply
It is fashionable, it is powered by charger baby power switching to external power supply；
MCU processing modules include cpu system, button ＆ dial-ups circuit module, LED light and RS485 communication modules, cpu system detection
Input signal and control output signal, detect the signal of button ＆ dial-up circuit modules, and identification needs the signal exported, then controls
It makes corresponding LED light to show, and exports corresponding direct current/25Hz/50Hz/ZPW2000 series of signals；
Signal output module receives the control signal of MCU processing modules, exports amplified direct current/25Hz/50Hz/ZPW2000
Series voltage/current signal.
2. a kind of portable multi-standard track signal simulator according to claim 1, it is characterised in that：Power module packet
Three-way power conversion circuit is included, 3.3V, 12V and 24V supply voltage needed for entire circuit are generated.
3. a kind of portable multi-standard track signal simulator according to claim 1, it is characterised in that：The I/O mouths of MCU
3 relays are connected with, the actuation that 3 relays are controlled by the I/O mouths of MCU exports required signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721807328.XU CN207817452U (en) | 2017-12-21 | 2017-12-21 | A kind of portable multi-standard track signal simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721807328.XU CN207817452U (en) | 2017-12-21 | 2017-12-21 | A kind of portable multi-standard track signal simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207817452U true CN207817452U (en) | 2018-09-04 |
Family
ID=63329652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721807328.XU Active CN207817452U (en) | 2017-12-21 | 2017-12-21 | A kind of portable multi-standard track signal simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207817452U (en) |
-
2017
- 2017-12-21 CN CN201721807328.XU patent/CN207817452U/en active Active
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