CN109720241A - A kind of anti-voltage wave device of subway train - Google Patents
A kind of anti-voltage wave device of subway train Download PDFInfo
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- CN109720241A CN109720241A CN201711023927.7A CN201711023927A CN109720241A CN 109720241 A CN109720241 A CN 109720241A CN 201711023927 A CN201711023927 A CN 201711023927A CN 109720241 A CN109720241 A CN 109720241A
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- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract 1
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- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The invention discloses a kind of anti-voltage wave devices of subway train, including voltage transformer 1, voltage detection module 2, memristor control module 3, memristor drive module 4 and memristor Rm.When the voltage of pantograph passes through main transformer, the voltage of input changes, voltage signal is converted into numerical signal by voltage detection module 2 and is sent into memristor control module 3 by voltage transformer 1, memristor control module 3 changes the memristor value of memristor Rm by memristor drive module 4, to realize the stabilization of input voltage.The invention discloses a kind of anti-voltage wave devices of subway train, can effectively solve the problem that the existing voltage fluctuation problem of contact net power supply, improve the stable degree of subway train, improve subway riding comfort.
Description
Technical field
The present invention relates to a kind of anti-voltage wave devices of subway train.
Background technique
The high-voltage electricity on contact net is introduced traction electric machine by pantograph by country's electric power supply system for subway at present.Work as subway
When train is run at high speed, contact power supply will will lead to voltage fluctuation；In addition the electronic equipment on subway train also can be steady to voltage
It is qualitative to have an impact；Voltage fluctuation problem can not only reduce the service life of subway train, also affect passenger and take subway
Comfort level.
Summary of the invention
The problem of present invention is according to technical background discloses a kind of anti-voltage wave device of subway train, technology
Scheme is as follows:
A kind of anti-voltage wave device device of subway train is connected between main transformer output end D1 and rectifier input D2；It is main
The output end D1 of transformer is connected with the end d1 of voltage transformer 1；The end d2 of voltage transformer 1 is connected with the end A of memristor Rm；
The end d3 of voltage transformer 1 is connected with the input terminal of voltage detection module 2；The output end of voltage detection module 2 and memristor control
The input terminal of molding block 3 is connected；The output end of memristor control module 3 is connected with the input terminal of memristor drive module 4；Memristor
The end G of the output end memristor Rm of device drive module 4 is connected；The end B of memristor Rm is connected with rectifier input D2；
Wherein the program operational process of memristor control module 3 is as follows:
Step 100: program starts, and enters step 101；
Step 101: one Interruption of setting, timing 1ms carry out primary voltage detection every 1ms, enter step
102；
Step 102: interruption starts, and starts to carry out voltage detecting, enters step 103；
Step 103: receiving the output voltage signal of voltage detection module 2, enter step 104；
Step 104: the voltage detected is judged；If voltage within the allowable range, enters step 200；If electric
Pressure within the allowable range, does not then enter step 105；
Step 105: judging the size of voltage deviation；If voltage, which is greater than, allows voltage, 106 are entered step；If voltage is lower than fair
Perhaps voltage then enters step 107；
Step 106: increasing the memristor value of memristor Rm, voltage is reduced, so that the input voltage of rectifier is within the allowable range；
Step 107: reducing the memristor value of memristor Rm, voltage is improved, so that the input voltage of rectifier is within the allowable range；
Step 200: interrupting and return, wait the arrival of next interruption, carry out voltage detecting again.
The utility model has the advantages that
The invention discloses a kind of anti-voltage wave devices of subway train, can effectively solve the problem that the existing voltage wave of contact net power supply
Dynamic problem, further raises speed for subway train, and the riding comfort of raising subway train is laid a solid foundation.
Detailed description of the invention
The anti-voltage wave device functional block diagram of Fig. 1 subway train.
The program flow diagram of Fig. 2 memristor control module.
Specific embodiment
For the effect and advantage that the present invention will be described in detail, a kind of anti-voltage wave of subway train is further illustrated below with reference to attached
The embodiment of dynamic device, it is not intended to limit the protection scope of the present invention.
As shown in Figure 1, a kind of anti-voltage wave device of subway train characterized by comprising voltage transformer 1, voltage
Detection module 2, memristor control module 3, memristor drive module 4 and memristor Rm；
The present embodiment, a kind of anti-voltage wave device device of subway train are connected to output end D1 and the rectifier input of main transformer
It holds between D2；
The present embodiment, the output end D1 of main transformer are connected with the end d1 of voltage transformer 1, the high voltage of contact net are converted into
The low voltage signal that memristor control module 3 can be handled；
The present embodiment, the end d2 of voltage transformer 1 are connected with the end A of memristor Rm；The end the d2 output of voltage transformer 1 is to connect
The voltage of net-fault drives subway train operation by memristor Rm to rectifier power supply；
The end d3 of the present embodiment, voltage transformer 1 is connected with the input terminal of voltage detection module 2；Voltage transformer 1 is by high voltage
It is converted to low-voltage signal to export from the end d3 of voltage transformer 1, but the output of the end d3 of voltage transformer 1 is analog voltage
Signal cannot be handled by memristor control module 3, need that voltage is added between voltage transformer 1 and memristor control module 3
Analog voltage signal is converted into value voltage signal by detection module 2；
The output end of the present embodiment, voltage detection module 2 is connected with the input terminal of memristor control module 3, mainly by voltage
The analog voltage signal of mutual inductor 1 is converted into the digital voltage signal that can be handled by memristor control module 3；
The output end of the present embodiment, memristor control module 3 is connected with the input terminal of memristor drive module 4；Signal will be controlled
Memristor Rm is driven to work normally by memristor drive module 4；
The end G of the present embodiment, the output end memristor Rm of memristor drive module 4 is connected；The end B of memristor Rm and rectifier are defeated
Enter end to be connected；The memristor drive module 4 is realized by triggering internal motivation voltage, excitation memristor Rm internal control voltage
Control the resistance value of memristor Rm.
The present embodiment, the memristor control module 3 are recalled for the judgement of contact net network voltage and the control of memristor
Hinder program flow diagram such as Fig. 2 of device control module 3, the specific steps are as follows:
Step 100: program starts, and enters step 101；
Step 101: one Interruption of setting, timing 1ms carry out primary voltage detection every 1ms, enter step
102；
Step 102: interruption starts, and starts to carry out voltage detecting, enters step 103；
Step 103: receiving the output voltage signal of voltage detection module 2, enter step 104；
Step 104: the voltage detected is judged；If voltage within the allowable range, enters step 200；If electric
Pressure within the allowable range, does not then enter step 105；
Step 105: judging the size of voltage deviation；If voltage, which is greater than, allows voltage, 106 are entered step；If voltage is lower than fair
Perhaps voltage then enters step 107；
Step 106: increasing the memristor value of memristor Rm, voltage is reduced, so that the input voltage of rectifier is within the allowable range；
Step 107: reducing the memristor value of memristor Rm, voltage is improved, so that the input voltage of rectifier is within the allowable range；
Step 200: interrupting and return, wait the arrival of next interruption, carry out voltage detecting again.
In further embodiment, the signal that voltage transformer 1 uses is SZV12A-50RG；What voltage detection module 2 used
It is analog-digital chip TLC549 and is constituted using the voltage conditioning circuit being made of amplifier LF357；Memristor control
Module 3 uses the DSP of floating type TMS320F28335；Memristor drive module 4 is the drive amplification being made of amplifier LF357
Circuit；
In further embodiment, the voltage equal proportion of contact net is reduced 10k times by voltage transformer 1；With voltage rating 35kV's
Deviation 5% is standard, and the allowable voltage range of contact net voltage 35KV is [33.25kV, 36.75kV], and voltage transformer 1 will connect
The voltage equal proportion of net-fault reduces 10k times, and the allowable voltage range that memristor control module 3 judges is [3.325V, 3.675V]；
Firstly, the present embodiment for 37.5kV using being illustrated, contact net voltage 37.5kV is converted to by voltage transformer 1
3.75V；Whether within the allowable range voltage value is judged by memristor control module 3, since 3.75V allows electricity beyond setting
3.675V is pressed, memristor is exported in real time and controls signal, increase the driving voltage of memristor drive module 4, the memristor of memristor Rm
Value changes internal state variable with driving voltage, increases the memristor value of memristor Rm, and the voltage value of input rectifier is stablized
In defined voltage range；
Then, using being illustrated for 32.5kV, contact net voltage 32.5kV is converted to the present embodiment by voltage transformer 1
3.25V；Whether within the allowable range voltage value is judged by memristor control module 3, since 3.25V allows electricity lower than setting
3.325V is pressed, memristor is exported in real time and controls signal, reduce the driving voltage of memristor drive module 4, the memristor of memristor Rm
Value changes internal state variable with driving voltage, reduces the memristor value of memristor Rm, and the voltage value of input rectifier is stablized
In defined voltage range.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement obtained without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention
Protection scope should be determined by the scope of protection defined in the claims.
Claims (1)
1. a kind of anti-voltage wave device of subway train characterized by comprising voltage transformer 1, is recalled voltage detection module 2
Hinder device control module 3, memristor drive module 4 and memristor Rm；
A kind of anti-voltage wave device device of subway train is connected between main transformer output end D1 and rectifier input D2；It is main
The output end D1 of transformer is connected with the end d1 of voltage transformer 1；The end d2 of voltage transformer 1 is connected with the end A of memristor Rm；
The end d3 of voltage transformer 1 is connected with the input terminal of voltage detection module 2；The output end of voltage detection module 2 and memristor control
The input terminal of molding block 3 is connected；The output end of memristor control module 3 is connected with the input terminal of memristor drive module 4；Memristor
The end G of the output end memristor Rm of device drive module 4 is connected；The end B of memristor Rm is connected with rectifier input D2；
Wherein, the program operational process of memristor control module 3 is as follows:
Step 100: program starts, and enters step 101；
Step 101: one Interruption of setting, timing 1ms carry out primary voltage detection every 1ms, enter step
102；
Step 102: interruption starts, and starts to carry out voltage detecting, enters step 103；
Step 103: receiving the output voltage signal of voltage detection module 2, enter step 104；
Step 104: the voltage detected is judged；If voltage within the allowable range, enters step 200；If electric
Pressure within the allowable range, does not then enter step 105；
Step 105: judging the size of voltage deviation；If voltage, which is greater than, allows voltage, 106 are entered step；If voltage is lower than fair
Perhaps voltage then enters step 107；
Step 106: increasing the memristor value of memristor Rm, voltage is reduced, so that the input voltage of rectifier is within the allowable range；
Step 107: reducing the memristor value of memristor Rm, voltage is improved, so that the input voltage of rectifier is within the allowable range；
Step 200: interrupting and return, wait the arrival of next interruption, carry out voltage detecting again.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711023927.7A CN109720241A (en) | 2017-10-27 | 2017-10-27 | A kind of anti-voltage wave device of subway train |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711023927.7A CN109720241A (en) | 2017-10-27 | 2017-10-27 | A kind of anti-voltage wave device of subway train |
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| CN109720241A true CN109720241A (en) | 2019-05-07 |
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| CN201711023927.7A Pending CN109720241A (en) | 2017-10-27 | 2017-10-27 | A kind of anti-voltage wave device of subway train |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516557A (en) * | 2020-06-08 | 2020-08-11 | 南京铁道职业技术学院 | Control device for subway power transmission |
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Application publication date: 20190507 |