CN105015559A - Locomotive fireless feedback power supply device and locomotive fireless feedback power supply method - Google Patents
Locomotive fireless feedback power supply device and locomotive fireless feedback power supply method Download PDFInfo
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- CN105015559A CN105015559A CN201510462488.4A CN201510462488A CN105015559A CN 105015559 A CN105015559 A CN 105015559A CN 201510462488 A CN201510462488 A CN 201510462488A CN 105015559 A CN105015559 A CN 105015559A
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Abstract
The invention discloses a locomotive fireless feedback power supply device. The locomotive fireless feedback power supply device comprises a rectification module, an inversion module, a chopping boosting module and a power storage unit, wherein an input terminal of the rectification module is connected with an input terminal of a traction motor, an output terminal of the rectification module is connected in parallel with a charging capacitor and then connected with an input terminal of the inversion module, an output terminal of the inversion module is connected with a power supply load, and the power storage unit is connected with the charging capacitor through the chopping boosting module. The invention also discloses a locomotive fireless feedback power supply method. When a locomotive speed is greater than a preset speed, and the charging capacitor is charged to a preset voltage, the charging capacitor provides an excitation source to the traction motor, and the traction motor is switched to a power generation state from an idling state; a storage battery stops charging the charging capacitor, the inversion module is started, the voltage output by the traction motor is rectified by the rectification module and then inverted by the inversion module to output a power supply voltage. Both the device and method disclosed by the invention have the advantages of simplicity and convenience in operation, safety and practicality, capability of being independent from an original power supply system and the like.
Description
Technical field
The present invention relates generally to power vehicle technical field, refers in particular to a kind of locomotive wheel without fiery loopback electric supply installation and method of supplying power to.
Background technology
According to the regulation of at present " railway locomotive is without fiery loopback handling ", locomotive carries out without forbidding rising bow, combined floodgate during fiery loopback, therefore the not basic living electricity consumption such as ventilation, heating, illumination in car, cause adding take advantage of personnel to live, work under bad environment.At present, domestic and international locomotive all without without fiery loop back device, even if there are some without fiery loop back device, directly can not provide the alternating current of the 220V needed for household electricity, can not be independent with the electric power system of locomotive, and more complicated without fiery loop back device.
Summary of the invention
The technical problem to be solved in the present invention is just: the technical matters existed for prior art, the invention provides a kind of structure simple, safe and practical, with the former electric power system of locomotive independently locomotive without fiery loopback electric supply installation, and correspondingly provide a kind of easy and simple to handle, safe and practical locomotive without fiery loopback method of supplying power to.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is:
A kind of locomotive is without fiery loopback electric supply installation, comprise rectification module, inversion module, copped wave boost module and electricity accumulating unit, the input end of described rectification module is connected with the traction electric machine input end without fiery loopback locomotive, be connected with the input end of inversion module after a mouth charging capacitor in parallel of described rectification module, the mouth of described inversion module is connected with locomotive power supply load, described electricity accumulating unit through described copped wave boost module to be connected with described charging capacitor to provide locomotive traction motor generate electricity needed for field voltage.
Further improvement as technique scheme:
Described electricity accumulating unit is connected with a heating component.
The mouth of described inversion module is connected with for electric load by isolating transformer.
The mouth of described inversion module is provided with LC filter circuit.
Be provided with the first switch between described electricity accumulating unit and copped wave boost module, between described traction electric machine input end and rectification module, be provided with second switch, between described electricity accumulating unit and heating component, be provided with the 3rd switch.
The present invention is also corresponding to be disclosed a kind of based on the method for supplying power to of locomotive as above without fiery loopback electric supply installation, comprises the following steps:
S1, when the traction electric machine speed without fiery loopback locomotive is greater than pre-set velocity, send power request to locomotive without fiery loopback electric supply installation;
When S2, locomotive receive power request without fiery loopback electric supply installation, electricity accumulating unit is charged to charging capacitor by copped wave boost module, when the voltage of charging capacitor rises to predeterminated voltage, rectification module enters inverter mode, charging capacitor provides excitation source by rectification module to traction electric machine, and traction electric machine switches to generating state by idling conditions;
S3, storage battery stop to charging capacitor charging, and rectification module enters rectification mode, and opens inversion module, and the voltage that traction electric machine exports after rectification module rectification, then exports for the power supply voltage needed for electric load through inversion module inversion.
Further improvement as technique scheme:
When not collecting the speed of traction electric machine, electricity accumulating unit is charged with the excitation of carrying out traction electric machine to charging capacitor by copped wave boost module at regular intervals.
In step sl, described pre-set velocity is 30km/h.
When locomotive without the ambient temperature residing for fiery loopback electric supply installation lower than preset value time, open heating component locomotive is heated without each parts in fiery loopback electric supply installation.
In step s3, the power supply voltage that inversion module exports charges to electricity accumulating unit simultaneously.
Compared with prior art, the invention has the advantages that:
Locomotive of the present invention is not changing former car owner's circuit and control system without fiery loopback electric supply installation, and when controlling power supply and not closing a floodgate, the wheel shaft kinetic energy of traction electric machine is rotated into electric energy, provides locomotive living electricity consumption; Less without fiery loop back device horsepower output; can implement device Miniaturization Design; convenient and flexible installation; possess the defencive functions such as short circuit; and independent of main circuit of electric locomotive; can not be damaged by available protecting traction electric machine, can excise completely without fiery loop back device when locomotive normally runs, can not impact safely locomotive operation.Possess intelligent soft starter function without fiery loopback electric supply installation in addition, when locomotive speed declines, energy auto-stop, starts, automatically without the need to manual intervention when speed is recovered.Locomotive of the present invention has the advantage as above described in device equally without fiery loopback method of supplying power to.
Accompanying drawing explanation
Fig. 1 is schematic circuit diagram of the present invention.
Fig. 2 is the structural representation for electric load.
Fig. 3 is the schematic circuit diagram of copped wave boost module in the present invention.
Fig. 4 is the schematic circuit diagram of rectification module in the present invention.
Number in the figure represents: 1, traction electric machine; 2, rectification module; 3, charging capacitor; 4, inversion module; 5, electricity accumulating unit; 6, copped wave boost module; 7, heating component; 8, the first switch; 9, second switch; 10, the 3rd switch; 11, isolating transformer.
Detailed description of the invention
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, comprise rectification module 2, inversion module 4, copped wave boost module 6 and electricity accumulating unit 5, the input end of rectification module 2 is connected with traction electric machine 1 input end without fiery loopback locomotive, be connected with the input end of inversion module 4 after a mouth charging capacitor 3 in parallel of rectification module 2, the mouth of inversion module 4 is connected with locomotive power supply load, and electricity accumulating unit 5 to be connected to provide locomotive traction motor 1 to generate electricity required field voltage through copped wave boost module 6 with charging capacitor 3.Locomotive of the present invention is not changing former car owner's circuit and control system without fiery loopback electric supply installation, and when controlling power supply and not closing a floodgate, the wheel shaft kinetic energy of traction electric machine 1 is rotated into electric energy, provides locomotive living electricity consumption; Less without fiery loop back device horsepower output, can implement device Miniaturization Design, convenient and flexible installation; and independent of main circuit of electric locomotive; can not be damaged by available protecting traction electric machine 1, can excise completely without fiery loop back device when locomotive normally runs, can not impact safely locomotive operation.
In the present embodiment, electricity accumulating unit 5 is connected with a heating component 7, when the ambient temperature residing for electric supply installation is lower, heating component 7 is opened by electricity accumulating unit 5, parts each in electric supply installation are heated, after temperature rises, restart the normal operation ensureing power generation operation, wherein heating component 7 is resistive heater, and electricity accumulating unit 5 is storage battery.
In the present embodiment, the mouth of inversion module 4 is connected with for electric load by isolating transformer 11, improves the reliability of power supply, and wherein isolating transformer 11 carries for train or outsidely independently to provide.
In the present embodiment, the mouth of inversion module 4 is provided with LC filter circuit, be provided with the first switch 8 between electricity accumulating unit 5 and copped wave boost module 6, between traction electric machine 1 input end and rectification module 2, be provided with second switch 9, between electricity accumulating unit 5 and heating component 7, be provided with the 3rd switch 10.Wherein the circuit of copped wave boost module 6 as shown in Figure 3, and input end is parallel with an on-off element, and on-off element is parallel with an electric capacity, and be in series with a diode between on-off element and electric capacity, and the circuit of rectification module 2 as shown in Figure 4, is made up of four on-off elements.
In the present embodiment, conveniently fast install without fiery loopback electric supply installation and ensure motorcycle safety, need to carry out corresponding transformation to locomotive: illustrate (physical circuit is shown in Fig. 2) for HXD1C locomotive, sandbox dryer is comprised for electric load, electric kettle, electric furnace, micro-wave oven, driver's cab is warmed oneself, front window heats, sanitary accomodation battery charger, brake cold-proof (reserving) etc., wherein need to increase disconnector at voltage transformer 220V winding (b7-x7), when exporting 1 of access isolating transformer 11 without fiery loopback supply unit, when 2, now can use the living electric apparatus on 220V loop, and can charge to storage battery, prevent from repeatedly starting without fiery loopback electric supply installation causing accumulator feeding, need 220V winding (b7-x7) to isolate simultaneously, in case the generation of stop ring stream.In the present embodiment, the current transformer end of a traction electric machine 1 wiring wherein arranges isolation knife switch, and when locomotive is in without fiery loopback state, traction electric machine 1 and primary circuit depart from by isolation plug-in strip, access without fiery loopback electric supply installation.
The invention also discloses a kind of based on the method for supplying power to of locomotive described above without fiery loopback electric supply installation, comprise the following steps:
S1, when traction electric machine 1 speed without fiery loopback locomotive of control unit collection is greater than pre-set velocity, send power request to locomotive without fiery loopback electric supply installation, and when traction electric machine 1 speed is less than pre-set velocity, then closedown rectification module 2 and inversion module 4;
When S2, locomotive receive power request without fiery loopback electric supply installation, closed first switch 8(DC contactor KM2), electricity accumulating unit 5 is charged to charging capacitor 3 by copped wave boost module 6, when the voltage of charging capacitor 3 rises to predeterminated voltage (400V), rectification module 2 enters inverter mode, closed second switch 9(three-phase automatic switch KM1), charging capacitor 3 provides excitation source by rectification module 2 to traction electric machine 1, and traction electric machine 1 switches to generating state by idling conditions;
S3, disconnect the first switch 8, storage battery stops charging to charging capacitor 3, rectification module 2 enters rectification mode, and open inversion module 4, the voltage that traction electric machine 1 exports is after rectification module 2 rectification, export PWM ripple through inversion module 4 inversion again, then export for the power supply voltage (50Hz, AC220V) needed for electric load after LC filter circuit.
In the present embodiment, when control unit cannot gather the speed of traction electric machine 1 (as part locomotive speed signal cannot be provided time), electricity accumulating unit 5 at regular intervals (as 5 minutes) charges the excitation of carrying out traction electric machine 1 by copped wave boost module 6 to charging capacitor 3.By timing to motor excitation, judge whether the generating voltage of traction electric machine 1 meets the demands, if when generating voltage is greater than certain value, then can judge that motor speed reaches minimum power power generation requirements, then can carry out without fiery loopback powered operation (or manually sending enabled instruction), thus the intelligent soft starter realized without fiery loopback electric supply installation, wherein when generating voltage is less than certain value, then close rectification module 2 and inversion module 4.Wherein pre-set velocity is 20 ~ 50km/h, gets 30 km/h in the present embodiment.
In the present embodiment, when locomotive without the ambient temperature residing for fiery loopback electric supply installation lower than preset value (as-10 DEG C) time, open heating component 7 pairs of locomotives and heat without each parts in fiery loopback electric supply installation, to ensure the normal operation of each parts.
In the present embodiment, in step s3, the power supply voltage that inversion module 4 exports charges to electricity accumulating unit 5 simultaneously, ensures that electricity accumulating unit 5 normally runs required voltage.
Below be only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (10)
1. a locomotive is without fiery loopback electric supply installation, it is characterized in that, comprise rectification module (2), inversion module (4), copped wave boost module (6) and electricity accumulating unit (5), the input end of described rectification module (2) is connected with traction electric machine (1) input end without fiery loopback locomotive, a mouth charging capacitor (3) in parallel of described rectification module (2) is connected with the input end of inversion module (4) afterwards, the mouth of described inversion module (4) is connected with locomotive power supply load, described electricity accumulating unit (5) through described copped wave boost module (6) to be connected with described charging capacitor (3) to provide locomotive traction motor (1) generate electricity needed for field voltage.
2. locomotive according to claim 1 is without fiery loopback electric supply installation, it is characterized in that, described electricity accumulating unit (5) is connected with a heating component (7).
3. locomotive according to claim 1 and 2 is without fiery loopback electric supply installation, it is characterized in that, the mouth of described inversion module (4) is connected with for electric load by isolating transformer (11).
4. locomotive according to claim 3 is without fiery loopback electric supply installation, it is characterized in that, the mouth of described inversion module (4) is provided with LC filter circuit.
5. locomotive according to claim 4 is without fiery loopback electric supply installation, it is characterized in that, the first switch (8) is provided with between described electricity accumulating unit (5) and copped wave boost module (6), be provided with second switch (9) between described traction electric machine (1) input end and rectification module (2), between described electricity accumulating unit (5) and heating component (7), be provided with the 3rd switch (10).
6., based on the method for supplying power to of the locomotive in claim 1 to 5 described in any one without fiery loopback electric supply installation, it is characterized in that, comprise the following steps:
S1, when traction electric machine (1) speed without fiery loopback locomotive is greater than pre-set velocity, send power request to locomotive without fiery loopback electric supply installation;
When S2, locomotive receive power request without fiery loopback electric supply installation, electricity accumulating unit (5) is charged to charging capacitor (3) by copped wave boost module (6), when the voltage of charging capacitor (3) rises to predeterminated voltage, rectification module (2) enters inverter mode, charging capacitor (3) provides excitation source by rectification module (2) to traction electric machine (1), and traction electric machine (1) switches to generating state by idling conditions;
S3, storage battery stop charging to charging capacitor (3), rectification module (2) enters rectification mode, and open inversion module (4), the voltage that traction electric machine (1) exports after rectification module (2) rectification, then exports for the power supply voltage needed for electric load through inversion module (4) inversion.
7. locomotive according to claim 6 is without fiery loopback method of supplying power to, it is characterized in that, when not collecting the speed of traction electric machine (1), electricity accumulating unit (5) is charged with the excitation of carrying out traction electric machine (1) to charging capacitor (3) by copped wave boost module (6) at regular intervals.
8. locomotive according to claim 7 is without fiery loopback method of supplying power to, it is characterized in that, in step sl, described pre-set velocity is 20 ~ 50km/h.
9. the locomotive according to claim 6 or 7 or 8 is without fiery loopback method of supplying power to, it is characterized in that, when locomotive without the ambient temperature residing for fiery loopback electric supply installation lower than preset value time, open heating component (7) locomotive is heated without each parts in fiery loopback electric supply installation.
10. the locomotive according to claim 6 or 7 or 8, without fiery loopback method of supplying power to, is characterized in that, in step s3, the power supply voltage that inversion module (4) exports charges to electricity accumulating unit (5) simultaneously.
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105978311A (en) * | 2016-06-18 | 2016-09-28 | 苏州英哲铁路机车配件有限公司 | Power supply for engine house |
CN106364320A (en) * | 2016-09-26 | 2017-02-01 | 株洲中车时代电气股份有限公司 | Power supply device for power-free returning of alternating current-direct current transmission locomotive and power supply control method |
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 |
CN107627860A (en) * | 2017-09-13 | 2018-01-26 | 北京交通大学 | It is a kind of to realize external electric supply installation and method without fiery loopback |
CN107804326A (en) * | 2017-11-07 | 2018-03-16 | 中车株洲电力机车有限公司 | A kind of traction electric machine electric power system and electric locomotive power supply unit |
CN108616159A (en) * | 2018-06-20 | 2018-10-02 | 西安铁山轨道装备科技有限公司 | A kind of vehicular alternating current electric locomotive is without fiery loopback for electric installation |
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 |
CN109861362A (en) * | 2019-04-09 | 2019-06-07 | 成都运达科技股份有限公司 | A kind of locomotive is unpowered loopback auxiliary power supply and from running gear |
CN112406913A (en) * | 2020-12-06 | 2021-02-26 | 中车永济电机有限公司 | Two-axle pure electric heavy rail car |
CN113320553A (en) * | 2020-02-28 | 2021-08-31 | 株洲中车时代电气股份有限公司 | Train traction system and control method thereof |
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Cited By (12)
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CN105978311A (en) * | 2016-06-18 | 2016-09-28 | 苏州英哲铁路机车配件有限公司 | Power supply for engine house |
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 |
CN106364320A (en) * | 2016-09-26 | 2017-02-01 | 株洲中车时代电气股份有限公司 | Power supply device for power-free returning of alternating current-direct current transmission locomotive and power supply control method |
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 |
CN107627860A (en) * | 2017-09-13 | 2018-01-26 | 北京交通大学 | It is a kind of to realize external electric supply installation and method without fiery 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 |
CN107804326A (en) * | 2017-11-07 | 2018-03-16 | 中车株洲电力机车有限公司 | A kind of traction electric machine electric power system and electric locomotive power supply unit |
CN108616159A (en) * | 2018-06-20 | 2018-10-02 | 西安铁山轨道装备科技有限公司 | A kind of vehicular alternating current electric locomotive is without fiery loopback for electric installation |
CN109861362A (en) * | 2019-04-09 | 2019-06-07 | 成都运达科技股份有限公司 | A kind of locomotive is unpowered loopback auxiliary power supply and from running gear |
CN113320553A (en) * | 2020-02-28 | 2021-08-31 | 株洲中车时代电气股份有限公司 | Train traction system and control method thereof |
CN112406913A (en) * | 2020-12-06 | 2021-02-26 | 中车永济电机有限公司 | Two-axle pure electric heavy rail car |
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