CN203312900U - Seamless switching purifying power supply device - Google Patents
Seamless switching purifying power supply device Download PDFInfo
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- CN203312900U CN203312900U CN2013203272831U CN201320327283U CN203312900U CN 203312900 U CN203312900 U CN 203312900U CN 2013203272831 U CN2013203272831 U CN 2013203272831U CN 201320327283 U CN201320327283 U CN 201320327283U CN 203312900 U CN203312900 U CN 203312900U
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Abstract
The utility model relates to the electrified railway power supply technology, and especially relates to a seamless switching purifying power supply device of an electrified traction railway power supply system. The seamless switching purifying power supply device is characterized in that the device comprises a bypass conversion module, a rectification filtering and switching module, an inversion system, an output transformer and an output conversion module. The inversion system comprises an inversion power circuit module, an inversion control circuit module, an inversion drive circuit module and a display circuit module; and a detection unit module is connected with the display circuit module and the inversion control circuit module. A modularized structure is employed, switching is rapid, and output waveforms are good in quality and without jitter, and the device is strong in load adaptability and fast in dynamic reaction speed. Damages which may be caused by too large voltage frequency fluctuation, severe waveform distortion and the like are avoided, at the same time, the bypass conversion module is employed, and the equipment power supply continuity when a power source is maintained and needs shutdown is guaranteed, and therefore electric equipment can operate safely and reliably, the problem that a UPS is hard to drive inductive loads is overcome, and the device is suitable for any load.
Description
Technical field
The utility model relates to the electrified railway power supply technology, relates in particular to the seamless switching power line cleaner of electrified traction railway power system.
Background technology
In China's electric railway system, the electricity consumption of each station electric horn interlocking apparatus of railway and interval self-closing signaling point, railway signal, communication and other railway combined electricity consumptions, adopt stick wire, through track power supply and from the contact line way to take power.The contact line power supply continuity is good, but the contact line supply power voltage is unstable, and humorous wave interference is many, and voltage distortion is serious, comprehensive quality of voltage problem, the hidden danger that unstable voltage brings to the user such as have flickering, fall; Voltage fluctuation causes greatly power consumption equipment easily to burn; When change on another road of a road direction therein, must have a power failure fully; Power consumption equipment can not safety, reliability service, brings economic loss to the user.Along with the requirement of electricity consumption precision is more and more higher, also more and more higher to the requirement of electrical source exchange, former confession distribution system has had a strong impact on each user's benefit, can not meet the demand of normal electricity consumption.
Summary of the invention
The purpose of this utility model is to avoid the deficiencies in the prior art that a kind of seamless switching power conditioner for electrified traction Along Railway station railway dispatching signal, stand a household electricity, commercial power is provided, also can be used as the relatively main power supply of the area in hardship of power supply power taking, significantly having reduced the cost of power-supply device, is a kind of seamless switching power line cleaner that higher power supply reliability is arranged.Efficiently solve the defect of prior art.
For achieving the above object, the technical scheme that the utility model is taked is: described seamless switching power line cleaner, be characterized in comprising bypass modular converter, rectifying and wave-filtering and the handover module, inversion system, output transformer and the output modular converter that are connected successively, described bypass modular converter is connected with rectifying and wave-filtering and handover module, the output of bypass modular converter connects the output modular converter, and described inversion system comprises inverter power circuit module, inverter control circuit module, inverse changing driving circuit module and display circuit module; Described rectifying and wave-filtering and handover module output connect the inverter power circuit module, inversion system connects output transformer, output transformer is connected with the detecting unit module with output modular converter, bypass modular converter respectively, the detecting unit module is connected with the inverter control circuit module with display circuit respectively, and the inverter control circuit module connects rectifying and wave-filtering and handover module.
The inverter power circuit module of described inversion system is connected with the inverse changing driving circuit module mutually with the inverter control circuit module respectively, display circuit module and inverter control circuit module are interconnected, the inverter power circuit module is connected with output transformer, realizes out-put supply filtering and pressure regulation.
Described display circuit module adopts the LED charactron to show.By the acquisition process to output voltage, electric current and frequency, the indexs such as frequency that can display power supply, voltage, electric current, power, power factor, the information such as operating state that simultaneously can display power supply is namely worked, fault.
Described rectifying and wave-filtering and handover module comprise current rectifying and wave filtering circuit and monitoring and seamless switching module, current rectifying and wave filtering circuit is two-way, every road current rectifying and wave filtering circuit comprises isolating transformer, rectification circuit and the filter circuit be connected successively, filter circuit output connects monitoring and seamless switching module, and the two-way isolating transformer connects respectively the two-way AC220V power supply of bypass modular converter output.It is be used to monitoring the state of two-way input circuit, seamless switching, between the two-way input power, pass through control circuit, switch, two-way input AC electricity carries out rectification by rectification circuit, and alternating current is transformed to direct current, by filter circuit, carry out filtering and export direct current stably, monitoring realizes outputing to the galvanic selection of inverted power module with the seamless switching module.
Described bypass modular converter comprises the change-over circuit module, the conversion control circuit module is connected with the change-over circuit module, automatic conversion and manual switch are set in the conversion control circuit module, the change-over circuit module connects the input of two-way AC220V power supply, the two-way AC220V power supply output of change-over circuit module connects respectively the isolating transformer of the two-way current rectifying and wave filtering circuit of rectifying and wave-filtering and handover module, and the change-over circuit module connects control signal and the manual control signal of output transformer feedback.
Described inverter control circuit module comprises reference signal generation module, reference wave generation module and the reference wave adjusting module connected successively; Voltage regulator module is connected with the reference wave adjusting module, the reference signal generation module is connected with the carrier wave generation module, the reference wave adjusting module produces adjusting module with carrier wave generation module and SPWM ripple and is connected, the output feedback module is connected with the reference wave adjusting module, the monitoring for protection control module is connected with the SPWM output module with the reference wave adjusting module respectively, the monitoring for protection control module for monitoring under-voltage, the output overvoltage of output, output overloading, overvoltage is owed in overheated and input; The SPWM ripple produces adjusting module and is connected with the SPWM output module, and the SPWM output module is connected with power device by the inverse changing driving circuit module, and power device connects the direct current input and exchanges output.
Described output modular converter determines that according to the output of supply unit final output is to adopt the output of supply unit or adopt bypass output.
The beneficial effects of the utility model are: described seamless switching power line cleaner, it adopts modular construction, switch rapid output waveform non-jitter, quality better, workload-adaptability is strong, dynamic response speed is fast, the unfavorable factor that direct use mains supply produces has been eliminated in its application, and the input power switching may be cut off the power supply on the impact of equipment generation, avoided because the electric voltage frequency fluctuation is too large, the harm that the large grade of wave distortion may cause, adopt simultaneously the bypass modular converter to guarantee the continuity of power supply equipment power supply when maintenance needs to shut down, thereby guarantee that power consumption equipment can safety, reliability service, and overcome the shortcoming of UPS with the inductive load difficulty, can be applicable to any load.
The accompanying drawing explanation
Fig. 1 is structural principle block diagram of the present utility model;
Fig. 2 is filtering of the present utility model and handover module theory diagram;
Fig. 3 is bypass modular converter theory diagram of the present utility model;
Fig. 4 is inversion control of the present utility model and driver module circuit connection diagram.
In figure: 1, bypass modular converter; 1-1. change-over circuit module; 1-2. conversion control circuit; 2, rectifying and wave-filtering and handover module; 2-1, isolating transformer; 2-2, rectification circuit; 2-3, filter circuit; 2-4, monitoring and seamless switching module; 3, inversion system; 3-1, inverter power circuit module; 3-2, display circuit module; 3-3, inverter control circuit module; 3-4, inverse changing driving circuit module; 4, output transformer; 5, output modular converter; 6, detecting unit module; 7, reference signal generation module; 8, reference wave generation module; 9, reference wave adjusting module; 10, output feedback module; 11, voltage regulator module; 12, monitoring for protection control module; 13, SPWM output module; 14, power device; 15, the SPWM ripple produces adjusting module; 16, carrier wave generation module.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only be used to explaining the utility model, is not intended to limit scope of the present utility model.
Embodiment 1: see Fig. 1, Fig. 2, Fig. 3, Fig. 4, described seamless switching power line cleaner, be characterized in comprising bypass modular converter 1, rectifying and wave-filtering and the handover module 2, inversion system 3, output transformer 4 and the output modular converter 5 that are connected successively, described bypass modular converter 1 is connected with rectifying and wave-filtering and handover module 2, the output of bypass modular converter 1 connects output modular converter 5, and described inversion system 3 comprises inverter power circuit module 3-1, inverter control circuit module 3-3, inverse changing driving circuit module 3-4 and display circuit module 3-2; Described rectifying and wave-filtering and handover module 2 outputs meet inverter power circuit module 3-1, inversion system 3 connects output transformer 4, output transformer 4 is connected with detecting unit module 6 with output modular converter 5, bypass modular converter 1 respectively, detecting unit module 6 is connected with inverter control circuit module 3-3 with display circuit 3-2 respectively, and inverter control circuit module 3-3 connects rectifying and wave-filtering and handover module 2.
Further, the inverter power circuit module 3-1 of described inversion system 3 is connected with inverse changing driving circuit module 3-4 mutually with inverter control circuit module 3-3 respectively, display circuit module 3-2 and inverter control circuit module 3-3 are interconnected, inverter power circuit module 3-1 is connected with output transformer 4, realizes out-put supply filtering and pressure regulation.
Further, described display circuit module 3-2 adopts the LED charactron to show.By the acquisition process to output voltage, electric current and frequency, the indexs such as frequency that can display power supply, voltage, electric current, power, power factor, the information such as operating state that simultaneously can display power supply is namely worked, fault.
Further, described rectifying and wave-filtering and handover module 2 comprise current rectifying and wave filtering circuit and monitoring and seamless switching module 2-4, current rectifying and wave filtering circuit is two-way, every road current rectifying and wave filtering circuit comprises isolating transformer 2-1, rectification circuit 2-2 and the filter circuit 2-3 be connected successively, filter circuit 2-3 output meets monitoring and seamless switching module 2-4, and the two-way isolating transformer connects respectively the two-way AC220V power supply of bypass modular converter 1 output.It is be used to monitoring the state of two-way input circuit, seamless switching, between the two-way input power, pass through control circuit, switch, two-way input AC electricity carries out rectification by rectification circuit, and alternating current is transformed to direct current, by filter circuit, carry out filtering and export direct current stably, monitoring realizes outputing to the galvanic selection of inverted power module with the seamless switching module.
Further, described bypass modular converter 1 comprises change-over circuit module 1-1, conversion control circuit module 1-2 is connected with change-over circuit module 1-1, in conversion control circuit module 1-2, automatic conversion and manual switch are set, change-over circuit module 1-1 connects the input of two-way AC220V power supply, the two-way AC220V power supply output of change-over circuit module 1-1 connects respectively the isolating transformer of the two-way current rectifying and wave filtering circuit of rectifying and wave-filtering and handover module 2, and change-over circuit module 1-1 connects control signal and the manual control signal of output transformer feedback.It,, at supply unit, safeguarding or during fault, be transformed into manually or automatically power supply by preferential output one tunnel of setting, guarantees the continuity of power consumption equipment power supply.
Further, described inverter control circuit module 3-3 comprises reference signal generation module 7, reference wave generation module 8 and the reference wave adjusting module 9 connected successively; Voltage regulator module 11 is connected with reference wave adjusting module 9, reference signal generation module 7 is connected with carrier wave generation module 16, reference wave adjusting module 9 produces adjusting module 15 with carrier wave generation module 16 and SPWM ripple and is connected, output feedback module 10 is connected with reference wave adjusting module 9, monitoring for protection control module 12 is connected with SPWM output module 13 with reference wave adjusting module 9 respectively, the monitoring for protection control module for monitoring under-voltage, the output overvoltage of output, output overloading, overvoltage is owed in overheated and input; The SPWM ripple produces adjusting module 15 and is connected with SPWM output module 13, and SPWM output module 13 is connected with power device 14 by inverse changing driving circuit module 3-4, and power device 14 connects the direct current input and exchanges output.
Further, described output modular converter 5 determines that according to the output of supply unit final output is to adopt the output of supply unit or adopt bypass output.
Described seamless switching power line cleaner, the main working process of its bypass modular converter 1 is as follows: conversion control circuit consists of A.C. contactor, change-over circuit is comprised of high-power AC contactor, and control signal adopts supply unit output feedback and switch manually.When the supply unit no-output or while manually being transformed into bypass, control circuit judges by decision circuitry whether the two-way power supply of input is normal, according to the priority set, the input that will set by the conversion A.C. contactor is transformed into the output modular converter, output modular converter and the interlock of bypass modular converter, by the normal output of bypass output; When supply unit worked, the bypass modular converter cut off bypass output, the normal output of output modular converter supply unit output.
Described seamless switching power line cleaner, the main working process of its filtering and handover module 2 is as follows: the two-way input is judged by decision circuitry after Isolation rectification, DC filtering, according to preferential selection, determine the direct current that enters inversion module.When two-way is all normal, by priority Gao De mono-tunnel, provide DC power supply, when breaking down while there is no direct current in a road of high priority, by second road of selecting, provide direct current to inversion module, the switching of two-way direct current is completed by high speed device, and the inversion module smoothing input adds the effect of the energy-storage travelling wave tube of supply unit inside, power supply is exported steadily, is not shaken, and has realized the seamless switching of supply unit.
Described seamless switching power line cleaner, its inverter control circuit module 3-3 main working process is as follows: the signal generating unit be comprised of crystal oscillator and peripheral cell produces reference signal, be divided into two-way, wave generation circuit is unloaded as the SPWM CF signal in one tunnel, another road outputs to the benchmark wave generation circuit, through advancing frequency division and tables of data, read the reference wave data, digital-to-analogue conversion produces the baseline sinusoidal wave signal, and the baseline sinusoidal wave signal is adjusted to the SPWM ripple through symmetry adjustment, amplitude and produced adjustment unit, the SPWM ripple produces another road input signal of adjustment unit and from carrier wave, produces the carrier signal of circuit, carrier signal is the triangular wave produced by reference signal, the triangular wave that the polarity opposite magnitude equates outputs to the SPWM ripple as carrier wave and produces adjustment unit, the SPWM signal arrives the SPWM output circuit after Circuit tuning is adjusted, the protected observation circuit of output circuit is controlled, to guarantee the safety of power supply and power consumption equipment, the SPWM signal of output arrives the IGBT power device through drive circuit, the DC power supply of input power device is converted to required alternating current output, completed the inversion control process.In circuit, there is the output voltage instantaneous feedback to control to guarantee stability and the carrying load ability of power supply.In circuit, also has protected location; mainly by input voltage, output voltage, output current, power device temperature etc. are monitored; have input overvoltage/undervoltage, output overvoltage, output overcurrent, output overloading, the monitoring and protecting function such as overheated, protective circuit realizes defencive function by controlling reference wave sinewave output and SPWM output circuit.Circuit also has start-up circuit, display circuit and power circuit etc. in addition.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (6)
1. seamless switching power line cleaner, it is characterized in that comprising bypass modular converter, rectifying and wave-filtering and the handover module, inversion system, output transformer and the output modular converter that are connected successively, described bypass modular converter is connected with rectifying and wave-filtering and handover module, the output of bypass modular converter connects the output modular converter, and described inversion system comprises inverter power circuit module, inverter control circuit module, inverse changing driving circuit module and display circuit module; Described rectifying and wave-filtering and handover module output connect the inverter power circuit module, inversion system connects output transformer, output transformer is connected with the detecting unit module with output modular converter, bypass modular converter respectively, the detecting unit module is connected with the inverter control circuit module with display circuit respectively, and the inverter control circuit module connects rectifying and wave-filtering and handover module.
2. seamless switching power line cleaner as claimed in claim 1, it is characterized in that: the inverter power circuit module of described inversion system is connected with the inverse changing driving circuit module mutually with the inverter control circuit module respectively, display circuit module and inverter control circuit module are interconnected, and the inverter power circuit module is connected with output transformer.
3. seamless switching power line cleaner as claimed in claim 1 or 2, is characterized in that: the demonstration of described display circuit module employing LED charactron.
4. seamless switching power line cleaner as claimed in claim 1, it is characterized in that: described rectifying and wave-filtering and handover module comprise current rectifying and wave filtering circuit and monitoring and seamless switching module, current rectifying and wave filtering circuit is two-way, every road current rectifying and wave filtering circuit comprises isolating transformer, rectification circuit and the filter circuit be connected successively, filter circuit output connects monitoring and seamless switching module, and the two-way isolating transformer connects respectively the two-way AC220V power supply of bypass modular converter output.
5. seamless switching power line cleaner as described as claim 1 or 4, it is characterized in that: described bypass modular converter comprises the change-over circuit module, the conversion control circuit module is connected with the change-over circuit module, automatic conversion and manual switch are set in the conversion control circuit module, the change-over circuit module connects the input of two-way AC220V power supply, the two-way AC220V power supply output of change-over circuit module connects respectively the isolating transformer of the two-way current rectifying and wave filtering circuit of rectifying and wave-filtering and handover module, and the change-over circuit module connects control signal and the manual control signal of output transformer feedback.
6. seamless switching power line cleaner as claimed in claim 1 is characterized in that: described inverter control circuit module comprises reference signal generation module, reference wave generation module and the reference wave adjusting module connected successively; Voltage regulator module is connected with the reference wave adjusting module, the reference signal generation module is connected with the carrier wave generation module, the reference wave adjusting module produces adjusting module with carrier wave generation module and SPWM ripple and is connected, the output feedback module is connected with the reference wave adjusting module, and the monitoring for protection control module is connected with the SPWM output module with the reference wave adjusting module respectively; The SPWM ripple produces adjusting module and is connected with the SPWM output module, and the SPWM output module is connected with power device by the inverse changing driving circuit module, and power device connects the direct current input and exchanges output.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013203272831U CN203312900U (en) | 2013-06-05 | 2013-06-05 | Seamless switching purifying power supply device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013203272831U CN203312900U (en) | 2013-06-05 | 2013-06-05 | Seamless switching purifying power supply device |
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| CN203312900U true CN203312900U (en) | 2013-11-27 |
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| CN2013203272831U Expired - Fee Related CN203312900U (en) | 2013-06-05 | 2013-06-05 | Seamless switching purifying power supply device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617656A (en) * | 2015-01-15 | 2015-05-13 | 固安信通信号技术股份有限公司 | Non-switching-connector type power supply device for rail transit |
| CN105406457A (en) * | 2015-12-23 | 2016-03-16 | 辽宁荣信电气传动技术有限责任公司 | Two-circuit power supply high-voltage frequency converter unit bypass device based on thyristor |
| CN105471241A (en) * | 2015-12-23 | 2016-04-06 | 辽宁荣信电气传动技术有限责任公司 | Mechanical contactor based two-path-power-supply high-voltage frequency converter unit bypass apparatus |
| CN106655800A (en) * | 2016-11-30 | 2017-05-10 | 四川优力源电子科技有限公司 | High-precision wide-range stabilized voltage supply system for railway signal |
| CN108092398A (en) * | 2017-12-04 | 2018-05-29 | 西安图为电气技术有限公司 | A kind of controller integrated system |
| CN113783293A (en) * | 2021-07-20 | 2021-12-10 | 珠海万力达电气自动化有限公司 | Railway electric power operation and maintenance operation management and control system and method |
-
2013
- 2013-06-05 CN CN2013203272831U patent/CN203312900U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617656A (en) * | 2015-01-15 | 2015-05-13 | 固安信通信号技术股份有限公司 | Non-switching-connector type power supply device for rail transit |
| CN105406457A (en) * | 2015-12-23 | 2016-03-16 | 辽宁荣信电气传动技术有限责任公司 | Two-circuit power supply high-voltage frequency converter unit bypass device based on thyristor |
| CN105471241A (en) * | 2015-12-23 | 2016-04-06 | 辽宁荣信电气传动技术有限责任公司 | Mechanical contactor based two-path-power-supply high-voltage frequency converter unit bypass apparatus |
| CN106655800A (en) * | 2016-11-30 | 2017-05-10 | 四川优力源电子科技有限公司 | High-precision wide-range stabilized voltage supply system for railway signal |
| CN108092398A (en) * | 2017-12-04 | 2018-05-29 | 西安图为电气技术有限公司 | A kind of controller integrated system |
| CN108092398B (en) * | 2017-12-04 | 2023-12-19 | 西安图为电气技术有限公司 | Controller integrated system |
| CN113783293A (en) * | 2021-07-20 | 2021-12-10 | 珠海万力达电气自动化有限公司 | Railway electric power operation and maintenance operation management and control system and method |
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Denomination of utility model: Seamless switching purifying power supply device Effective date of registration: 20180927 Granted publication date: 20131127 Pledgee: Chengguan Lanzhou City branch of Bank of Gansu Limited by Share Ltd. Pledgor: LANZHOU YINLI ELECTRICAL EQUIPMENT Co.,Ltd. Registration number: 2018620000019 |
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Granted publication date: 20131127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |