CN105015559B - A kind of locomotive is without fiery loopback electric supply installation and method of supplying power to - Google Patents

A kind of locomotive is without fiery loopback electric supply installation and method of supplying power to Download PDF

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Publication number
CN105015559B
CN105015559B CN201510462488.4A CN201510462488A CN105015559B CN 105015559 B CN105015559 B CN 105015559B CN 201510462488 A CN201510462488 A CN 201510462488A CN 105015559 B CN105015559 B CN 105015559B
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locomotive
module
supply installation
electric machine
fiery loopback
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CN105015559A (en
Inventor
姚晓东
郭建
李小平
徐景秋
李鹏
陈灿
黄亮
谢佳彬
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Zhuzhou CRRC Times Electric Co Ltd
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Zhuzhou CSR Times Electric Co Ltd
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Abstract

The invention discloses a kind of locomotive without fiery loopback electric supply installation, including rectification module, inversion module, copped wave boost module and electricity accumulating unit, the input of rectification module is connected with traction electric machine input, it is connected after the output end of a rectification module charging capacitor in parallel with the input of inversion module, the output end of inversion module is connected with power supply load, and the chopped boost module of electricity accumulating unit is connected with charging capacitor.The invention also discloses a kind of locomotive without fiery loopback method of supplying power to, when locomotive speed is more than pre-set velocity, when charging to predeterminated voltage to charging capacitor, charging capacitor provides field power supply to traction electric machine, and traction electric machine switches to generating state by idling conditions;Battery stops charging to charging capacitor, opens inversion module, after the rectified module rectification of voltage of traction electric machine output, then exports supply voltage through inversion module inversion.The device and method of the present invention be respectively provided with it is easy to operate, safe and practical, the advantages of can be with former electric power system independence.

Description

A kind of locomotive is without fiery loopback electric supply installation and method of supplying power to
Technical field
The invention mainly relates to power vehicle technical field, a kind of locomotive wheel is refered in particular to without fiery loopback electric supply installation and supplier of electricity Method.
Background technology
According to current《Railway locomotive is without fiery loopback treating method》Regulation, locomotive carry out without fiery loopback when forbid rising bow, Close a floodgate, therefore in-car without basic living electricity consumptions such as ventilation, heating, illuminations, cause to add that to multiply personnel's life, working environment severe.Mesh Before, domestic and international locomotive is without without fiery loop back device, even if in the presence of some without fiery loop back device, can not directly provide household electricity Required 220V alternating currents, can not be independent and more complicated without fiery loop back device with the electric power system of locomotive.
The content of the invention
The technical problem to be solved in the present invention is that:The technical problem existed for prior art, the present invention provides one The locomotive of the former electric power system independence of simple in construction, safe and practical and locomotive is planted without fiery loopback electric supply installation, and is accordingly provided a kind of Easy to operate, safe and practical locomotive is without fiery loopback method of supplying power to.
In order to solve the above technical problems, technical scheme proposed by the present invention is:
A kind of locomotive is without fiery loopback electric supply installation, including rectification module, inversion module, copped wave boost module and electric power storage list Member, the input of the rectification module is connected with the traction electric machine input without fiery loopback locomotive, the output of the rectification module It is connected after holding a charging capacitor in parallel with the input of inversion module, output end and the locomotive power supply of the inversion module load phase Even, the electricity accumulating unit is connected through the copped wave boost module with the charging capacitor generates electricity required to provide locomotive traction motor Excitation voltage.
It is used as the further improvement of above-mentioned technical proposal:
The electricity accumulating unit is connected with a heating component.
The output end of the inversion module is connected by isolating transformer with power supply load.
The output end of the inversion module is provided with LC filter circuits.
First switch, the traction electric machine input and rectification mould are provided between the electricity accumulating unit and copped wave boost module Second switch is provided between block, provided with the 3rd switch between the electricity accumulating unit and heating component.
The present invention further correspondingly discloses a kind of based on method of supplying power to of the locomotive as described above without fiery loopback electric supply installation, bag Include following steps:
S1, when the traction electric machine speed without fiery loopback locomotive be more than pre-set velocity when, send power request to locomotive without fire Loopback electric supply installation;
When S2, locomotive receive power request without fiery loopback electric supply installation, electricity accumulating unit is by copped wave boost module to filling Electric capacity charges, and when the voltage of charging capacitor rises to predeterminated voltage, rectification module enters inverter mode, and charging capacitor passes through whole Flow module provides field power supply to traction electric machine, and traction electric machine switches to generating state by idling conditions;
S3, battery stop charging to charging capacitor, and rectification module enters rectification mode, and opens inversion module, traction After the rectified module rectification of voltage of motor output, then through the supply voltage needed for inversion module inversion output power supply load.
It is used as the further improvement of above-mentioned technical proposal:
When not collecting the speed of traction electric machine, electricity accumulating unit is at regular intervals by copped wave boost module to charging Electric capacity charges with carrying out the excitation of traction electric machine.
In step sl, the pre-set velocity is 30km/h.
When locomotive without the environment temperature residing for fiery loopback electric supply installation be less than preset value when, open heating component to locomotive without Each part is heated in fiery loopback electric supply installation.
In step s3, the supply voltage of inversion module output is charged to electricity accumulating unit simultaneously.
Compared with prior art, the advantage of the invention is that:
The locomotive of the present invention is not changing former car owner's circuit and control system without fiery loopback electric supply installation, and in control power supply In the case of not closing a floodgate, the wheel shaft kinetic energy of traction electric machine is rotated into electric energy, and there is provided locomotive living electricity consumption;It is defeated without fiery loop back device Go out power smaller, it is possible to achieve equipment miniaturization is designed, convenient and flexible installation possesses the defencive functions such as short circuit, and independently of machine Car owner's circuit, effectively can protect traction electric machine without damage, can be cut off completely without fiery loop back device when locomotive is normally run, no Locomotive operation can safely be impacted.Possesses intelligent soft starter function without fiery loopback electric supply installation in addition, under locomotive speed Can autostop, automatic start when speed is recovered, without manual intervention during drop.The locomotive of the present invention is same without fiery loopback method of supplying power to Sample has the advantages that described in as above device.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the invention.
The structural representation that Fig. 2 loads for power supply.
Fig. 3 is the circuit theory diagrams of copped wave boost module in the present invention.
Fig. 4 is the circuit theory diagrams of rectification module in the present invention.
Label is represented in figure:1st, traction electric machine;2nd, rectification module;3rd, charging capacitor;4th, inversion module;5th, electricity accumulating unit; 6th, copped wave boost module;7th, heating component;8th, first switch;9th, second switch;10th, the 3rd switch;11st, isolating transformer.
Embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As shown in Figures 1 to 4, the locomotive of the present embodiment is without fiery loopback electric supply installation, including rectification module 2, inversion module 4th, copped wave boost module 6 and electricity accumulating unit 5, the input of rectification module 2 and the input of traction electric machine 1 without fiery loopback locomotive Be connected, be connected after the output end of rectification module 2 charging capacitor 3 in parallel with the input of inversion module 4, inversion module 4 it is defeated Go out end with locomotive power supply load to be connected, the chopped boost module 6 of electricity accumulating unit 5 is connected to provide locomotive traction with charging capacitor 3 Motor 1 generates electricity required excitation voltage.The locomotive of the present invention is not changing former car owner's circuit and control without fiery loopback electric supply installation System, and in the case where control power supply does not close a floodgate, the wheel shaft kinetic energy of traction electric machine 1 is rotated into electric energy, and there is provided locomotive living Electricity consumption;It is smaller without fiery loop back device power output, it is possible to achieve equipment miniaturization is designed, convenient and flexible installation, and independently of machine Car owner's circuit, can effectively protect traction electric machine 1 without damage, can be cut off completely without fiery loop back device when locomotive is normally run, Locomotive operation will not safely be impacted.
In the present embodiment, electricity accumulating unit 5 is connected with a heating component 7, when the environment temperature residing for electric supply installation is relatively low, Can by electricity accumulating unit 5 open heating component 7, each part in electric supply installation is heated, after temperature rise after restart with The normal operation of power generation operation is ensured, wherein heating component 7 is resistive heater, and electricity accumulating unit 5 is battery.
In the present embodiment, the output end of inversion module 4 is connected by isolating transformer 11 with power supply load, improves power supply Reliability, wherein isolating transformer 11 is that train is carried or outside separately provided.
In the present embodiment, the output end of inversion module 4 is provided with LC filter circuits, electricity accumulating unit 5 and copped wave boost module 6 it Between be provided with first switch 8, second switch 9, electricity accumulating unit 5 and heating group are provided between the input of traction electric machine 1 and rectification module 2 Provided with the 3rd switch 10 between part 7.Wherein the circuit of copped wave boost module 6 is as shown in figure 3, input is parallel with switch member Part, switch element is parallel with an electric capacity, and a diode is in series between switch element and electric capacity, and the circuit of rectification module 2 is such as Shown in Fig. 4, it is made up of four switch elements.
In the present embodiment, fast installed without fiery loopback electric supply installation for convenience and ensure motorcycle safety, it is necessary to machine Car is accordingly transformed:The explanation by taking HXD1C locomotives as an example(Physical circuit is shown in Fig. 2), power supply, which is loaded, includes sandbox dryer, electric heating Kettle, electric furnace, micro-wave oven, drivers' cab heating, front window heating, toilet charger, braking are cold-proof(It is reserved)Deng wherein needing Transformer 220V windings(b7-x7)Increase disconnecting switch, 1, the 2 of isolating transformer 11 is accessed when being exported without fiery loopback supply unit During point, the living electric apparatus on 220V loops can be now used, and battery can be charged, prevents from supplying without fiery loopback Electric installation, which repeatedly starts, causes accumulator feeding, while need to be by 220V windings(b7-x7)Isolation, to prevent the generation of circulation.This In embodiment, the current transformer end of a wiring of traction electric machine 1 sets isolation knife switch wherein, when locomotive is in without fiery loopback State, isolation plug-in strip departs from traction electric machine 1 and primary circuit, accesses without fiery loopback electric supply installation.
The invention also discloses a kind of based on method of supplying power to of the locomotive as described above without fiery loopback electric supply installation, including it is following Step:
S1, when control unit gather the speed of traction electric machine 1 without fiery loopback locomotive be more than pre-set velocity when, send power supply Request to locomotive without fiery loopback electric supply installation, and when the speed of traction electric machine 1 be less than pre-set velocity when, then close rectification module 2 with And inversion module 4;
When S2, locomotive receive power request without fiery loopback electric supply installation, first switch 8 is closed(D.C. contactor KM2), Electricity accumulating unit 5 is charged by copped wave boost module 6 to charging capacitor 3, when the voltage of charging capacitor 3 rises to predeterminated voltage(400V) When, rectification module 2 enters inverter mode, closes second switch 9(Three-phase automatic switch KM1), charging capacitor 3 passes through rectification module 2 provide field power supply to traction electric machine 1, and traction electric machine 1 switches to generating state by idling conditions;
S3, disconnection first switch 8, battery stop charging to charging capacitor 3, and rectification module 2 enters rectification mode, and opens Inversion module 4 is opened, after the rectified rectification of module 2 of voltage that traction electric machine 1 is exported, then through the inversion of inversion module 4 output PWM ripples, Supply voltage needed for output power supply is loaded after LC filter circuits again(50Hz、AC220V).
In the present embodiment, when control unit can not gather the speed of traction electric machine 1(As part locomotive can not provide speed During signal), electricity accumulating unit 5 is at regular intervals(Such as 5 minutes)Charge with carrying out to charging capacitor 3 by copped wave boost module 6 The excitation of traction electric machine 1.By timing to motor excitation, to judge whether the generating voltage of traction electric machine 1 meets requirement, if When generating voltage is more than certain value, then it can determine whether that motor speed has reached minimum power power generation requirements, then can carry out without fiery loopback Powered operation(Or enabled instruction is sent manually), so that the intelligent soft starter without fiery loopback electric supply installation is realized, wherein working as generating When voltage is less than certain value, then rectification module 2 and inversion module 4 are closed.Wherein pre-set velocity is 20~50km/h, this implementation 30 km/h are taken in example.
In the present embodiment, when locomotive without the environment temperature residing for fiery loopback electric supply installation less than preset value(Such as -10 DEG C)When, Open heating component 7 to heat locomotive without each part in fiery loopback electric supply installation, to ensure the normal operation of each part.
In the present embodiment, in step s3, the supply voltage that inversion module 4 is exported is charged to electricity accumulating unit 5 simultaneously, Ensure the normally voltage needed for operation of electricity accumulating unit 5.
It the above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment, All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention should be regarded as the protection of the present invention Scope.

Claims (10)

1. a kind of locomotive is without fiery loopback electric supply installation, it is characterised in that including rectification module(2), inversion module(4), copped wave liter Die block(6)And electricity accumulating unit(5), the rectification module(2)Input and the traction electric machine without fiery loopback locomotive(1)It is defeated Enter end to be connected, the rectification module(2)The in parallel charging capacitor of output end(3)Afterwards with inversion module(4)Input be connected, The inversion module(4)The load of output end and locomotive power supply be connected, the electricity accumulating unit(5)Through the copped wave boost module (6)With the charging capacitor(3)It is connected to provide locomotive traction motor(1)Excitation voltage needed for generating electricity.
2. locomotive according to claim 1 is without fiery loopback electric supply installation, it is characterised in that the electricity accumulating unit(5)Connection There is a heating component(7).
3. locomotive according to claim 1 or 2 is without fiery loopback electric supply installation, it is characterised in that the inversion module(4)'s Output end passes through isolating transformer(11)It is connected with power supply load.
4. locomotive according to claim 3 is without fiery loopback electric supply installation, it is characterised in that the inversion module(4)It is defeated Go out end and be provided with LC filter circuits.
5. locomotive according to claim 4 is without fiery loopback electric supply installation, it is characterised in that the electricity accumulating unit(5)With cutting Ripple boost module(6)Between be provided with first switch(8), the traction electric machine(1)Input and rectification module(2)Between provided with the Two switches(9), the electricity accumulating unit(5)With heating component(7)Between provided with the 3rd switch(10).
6. a kind of method of supplying power to of locomotive based on described in any one in claim 1 to 5 without fiery loopback electric supply installation, it is special Levy and be, comprise the following steps:
S1, when the traction electric machine without fiery loopback locomotive(1)When speed is more than pre-set velocity, sends power request to locomotive and returned without fire Send electric supply installation;
When S2, locomotive receive power request without fiery loopback electric supply installation, electricity accumulating unit(5)Pass through copped wave boost module(6)To Charging capacitor(3)Charging, works as charging capacitor(3)Voltage when rising to predeterminated voltage, rectification module(2)Into inverter mode, fill Electric capacity(3)Pass through rectification module(2)To traction electric machine(1)Field power supply, traction electric machine are provided(1)Switched to by idling conditions Generating state;
S3, battery stop to charging capacitor(3)Charging, rectification module(2)Into rectification mode, and open inversion module(4), Traction electric machine(1)The rectified module of voltage of output(2)After rectification, then through inversion module(4)Needed for inversion output power supply load Supply voltage.
7. method of supplying power to according to claim 6, it is characterised in that when not collecting traction electric machine(1)Speed when, store Electric unit(5)Pass through copped wave boost module at regular intervals(6)To charging capacitor(3)Charge with carrying out traction electric machine(1)'s Excitation.
8. method of supplying power to according to claim 7, it is characterised in that in step sl, the pre-set velocity is 20~ 50km/h。
9. the method for supplying power to according to claim 6 or 7 or 8, it is characterised in that when locomotive is without residing for fiery loopback electric supply installation Environment temperature be less than preset value when, open heating component(7)Locomotive is heated without each part in fiery loopback electric supply installation.
10. the method for supplying power to according to claim 6 or 7 or 8, it is characterised in that in step s3, inversion module(4)It is defeated The supply voltage gone out is simultaneously to electricity accumulating unit(5)Charged.
CN201510462488.4A 2015-07-31 2015-07-31 A kind of locomotive is without fiery loopback electric supply installation and method of supplying power to Active CN105015559B (en)

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CN105978311B (en) * 2016-06-18 2018-10-02 苏州英哲铁路机车配件有限公司 Locomotive shed power supply
CN106364320B (en) * 2016-09-26 2019-03-12 株洲中车时代电气股份有限公司 A kind of straight transmission locomotive is without fiery loopback power supply unit and method for controlling power supply
CN106564508A (en) * 2016-11-01 2017-04-19 株洲中车时代电气股份有限公司 Fireless deadhead method
CN107627860B (en) * 2017-09-13 2020-07-28 北京交通大学 External power supply device and method for realizing fireless loopback
CN109664771A (en) * 2017-10-17 2019-04-23 株洲中车时代电气股份有限公司 A kind of traction converter plant of the band without fiery loop back function
CN107804326B (en) * 2017-11-07 2020-01-17 中车株洲电力机车有限公司 Traction motor power supply system and electric locomotive power supply equipment
CN109861362B (en) * 2019-04-09 2020-12-22 成都运达科技股份有限公司 Unpowered loopback auxiliary power supply and from walking device of locomotive

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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169

Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd.

Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169

Patentee before: ZHUZH CSR TIMES ELECTRIC Co.,Ltd.