CN201074565Y - Diesel engine frequency conversion starting device for diesel locomotive - Google Patents
Diesel engine frequency conversion starting device for diesel locomotive Download PDFInfo
- Publication number
- CN201074565Y CN201074565Y CNU2007200145468U CN200720014546U CN201074565Y CN 201074565 Y CN201074565 Y CN 201074565Y CN U2007200145468 U CNU2007200145468 U CN U2007200145468U CN 200720014546 U CN200720014546 U CN 200720014546U CN 201074565 Y CN201074565 Y CN 201074565Y
- Authority
- CN
- China
- Prior art keywords
- loop
- diesel engine
- control
- alternating current
- starting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Eletrric Generators (AREA)
Abstract
The utility model discloses a diesel engine frequency conversion actuating mechanism of a diesel locomotive, which comprises a main circuit, a control circuit and an operation display panel. A fully-controlled bridge circuit in a major loop which is composed of automobile cut-off elements T1-T6 is used as a basic major loop of diesel engine inversion starting and pulse rectification, and an auxiliary excitation chopper is composed of a switching tube Tf. The utility model can be started by adopting a diesel locomotive diesel engine of an alternating current auxiliary generator, which makes the diesel engine cancel a direct current starting generator, reduces mechanical procedures, and increases maintenance accessibility. An alternating current auxiliary excitation winding in the device is usually changed from series excitation into parallel excitation, which can continuously control alternating current auxiliary current, thereby significantly increasing starting torsion and starting maximum speed of the diesel engine. The device also can control alternating current auxiliary excitation, thereby realizing the control to the constant voltage frequency ratio of the alternating current auxiliary voltage, and forming 600 VDC auxiliary electric network voltage of locomotives after impulse rectified the voltage which is generated by the alternating current auxiliary generator in order to supply electricity to each load of an auxiliary system.
Description
Technical field
The utility model belongs to voltage-operated device, relates generally to a kind of for adopting the internal combustion locomotive utilization that exchanges assist in synchronization generator (hereinafter to be referred as exchanging auxilliary sending out) to exchange the auxilliary diesel engine of diesel locomotive static frequency converter of sending out the startup diesel engine.
Background technique
At present, the diesel locomotives in China diesel engine all adopts the electricity starting, promptly utilizes the electric energy of storage battery that DC starting generator is powered, and makes in its short time and makes motor operation, drives the diesel engine rotation by gear-box, and then finishes diesel engine starting.After startup finished, starter-generator switched to generating operation mode, sends the 110VDC electricity by the control of voltage adjuster, as the power supply of locomotive control power and air compressor motor.This Starting mode with DC starting generator is simple, but mechanical link is many, and volume is big, the cost height, the system maintenance complexity has been not suitable for the developing direction of locomotive accessory drive system interchangeization-all adopt AC motor to drive, and reduces the principle of mechanical link.
Summary of the invention
For solving many, the problems such as volume is big, cost is high, system maintenance complexity of mechanical link that above-mentioned employing DC starting generator starts, the utility model provides a kind of diesel engine of diesel locomotive static frequency converter that adopts the diesel engine of diesel locomotive that exchanges auxiliary generator that starts.
The technical solution of the utility model is as follows: a kind of diesel engine of diesel locomotive static frequency converter, comprise major loop, control loop and the operation display panel that is used to revise parameter and data display, control loop comprises control panel, trigger board, the A/D plate, receive startup and function select signal and send the I/O plate of trouble signal, the control power panel of each feature board and probe power is provided, it is characterized in that: the intermediate loop capacitor C d of described major loop is connected with the intermediate dc loop, self cut-off device T1, T2, T3, T4, T5, T6 is that three-phase bridge connects, connect intermediate dc loop and the staor winding that exchanges the assist in synchronization generator respectively, intermediate dc loop+connection CL+, CL-connection intermediate dc loop-, the CL two ends connect outside storage battery B, Tf be attempted by the CL two ends after Df connects, Tf is connected exciting winding Lf with the output of Df intermediate point, outside starting contactor QD one termination CL+, another termination intermediate dc loop+; Trigger board connects the trigger end of T1 in the major loop, T2, T3, T4, T5, T6, Tz, Tf respectively, and the A/D plate receives alternating voltage UA, UB, alternating current (a.c.) IA, IB, intermediate dc loop voltage Ud, electric current I d, field current If, storage battery B charging voltage Uc signal.
Tz and inductance L z are serially connected with described intermediate dc loop+and CL+, the tie point of Tz and inductance L z and intermediate dc loop-between be connected to sustained diode z.
After adopting technique scheme, the utility model can start the diesel engine of diesel locomotive that adopts the interchange auxiliary generator, makes locomotive cancellation DC starting generator, reduces mechanical link, and the maintenance accessibility improves, and has made things convenient for maintenance.Simultaneously, the utility model exchanges the auxilliary exciting winding of sending out and changes shunt excitation into by common series excitation when starting diesel engine, but and the auxilliary field current of sending out of continuous control interchange.Like this, can optimize the start-up control strategy, significantly improve detent torque, improve the diesel engine starting maximum speed.After diesel engine starting finishes, exchange auxilliary sending out and transfer generating operation mode to, the utility model may command exchanges the auxilliary excitation of sending out, realization is pressed constant voltage and frequency ratio control to exchanging auxilliary generating, simultaneously, in order to significantly improve the system power factor, the voltage that the interchange auxiliary generator sends is assisted line voltage through forming locomotive 600VDC behind the impulse commutation, give each electric of auxiliary system.Like this, the utility model is realized a tractor serves several purposes.
Description of drawings
Fig. 1 is an electrical block diagram of the present utility model
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated
The utility model is a kind of integrated diesel engine of locomotive varying frequency starting, 600VDC impulse commutation, exchange the auxilliary device of sending out multiple functions such as excitation.
As shown in Figure 1, the utility model device comprises major loop, control loop and operation display panel.
The intermediate loop capacitor C d of major loop is connected with the intermediate dc loop, self cut-off device T1, T2, T3, T4, T5, T6 is that three-phase bridge connects, connect the intermediate dc loop respectively and exchange the auxilliary staor winding of sending out, the intermediate dc loop+by being connected CL+ after Tz and the Lz series connection, CL-connection intermediate dc loop-, the CL two ends connect outside storage battery B, Tf be attempted by the CL two ends after Df connects, Tf is connected the auxilliary exciting winding Lf that sends out of interchange with the output of Df intermediate point, outside starting contactor QD one termination CL+, another termination intermediate dc loop+, QD is as the outer starting contactor of device, after finishing, closure when train starting, train starting disconnect; The control panel of control loop connects trigger board, A/D plate, I/O plate, trigger board connects the trigger end of T1 in the major loop, T2, T3, T4, T5, T6, Tz, Tf respectively, the A/D plate receives alternating voltage UA, UB, alternating current (a.c.) IA, IB, intermediate dc loop voltage Ud, electric current I d, field current If, storage battery B charging voltage Uc signal, the I/O plate receives startup, function select signal and sends trouble signal (gives outside signal, can deliver to host microcomputer), control loop also is provided with provides the control of each feature board and probe power power panel; The operation display panel that is used to revise parameter and data display is connected with the control panel of control loop.
T1-T6 forms the basic main circuit of fully controlled bridge circuit as novel middle diesel engine inversion starting of this use and impulse commutation in the major loop.According to absence of commutator synchronous machine automatic synchronization speed control principle, the inverter bridge of utilizing switch transistor T 1～T6 to form, add partly to wait by the rotor position detection that voltage and current signal obtains and form the frequency conversion part, constitute a cover absence of commutator synchronous machine frequency-conversion drive apparatus with exchanging auxilliary sending out, and realize diesel engine starting by the locomotive storage batteries power supply.Like this, this device has replaced the DC start motor, and the space of vacateing provides the rich imagination space for locomotive integral arrangement and conceptual design.And the auxilliary exciting winding of sending out changes shunt excitation into by traditional series excitation in the utility model, makes 110VDC voltage to be used in entirely on the staor winding, improves starting torque.Auxilliary sending out controlled its electric current by Tf copped wave after an exciting winding changes shunt excitation into, makes rationally to determine the field current size to make accelerating torque the best according to the diesel engine starting rotating speed, and the diesel engine starting rotating speed is high as much as possible.After adopting the main unit of self cut-off device, can on software, be optimized, make the starting average torque improve as variable frequency starting.
Constitute the auxilliary excitation chopper of sending out by switch transistor T f.When diesel engine starting,, make motor output starting torque the best to make diesel engine starting reach maximum speed according to the auxilliary field current of sending out of diesel engine speed control.After diesel engine starting finishes, auxilliary sending out when transferring generating operation mode to, the auxilliary auxilliary field current of sending out of excitation chopper control of sending out makes auxilliary generating press to move by the constant voltage and frequency ratio mode.Df is a fly-wheel diode.
After diesel engine starting finishes, diesel engine (starting and impulse commutation) major loop transfers the rectification operating mode to and (need only move the rectification program, need not hardware switch): after exchanging the Ac of the auxilliary three phase variable frequency transformation of sending, the impulse commutation bridge that control software presses size and phase control switch pipe T1～T6 to form according to auxilliary generating, realize the pwm pulse rectification of boosting, ac input power factor height when reaching rectification.Like this, just form 600VDC (unified) accessory drive system direct current network by control with train 600VDC power supply, the orthogonal frequency variator of auxiliary system can hang on this electrical network, realizes that to exchanging air compressor motor constant voltage constant frequency (CVCF) drives through inverter as 600VDC.
This use is novel also can to constitute 110VDC charging chopper by switch transistor T z and filter inductance Lz.Tz and inductance L z are serially connected with described intermediate dc loop+and CL+, the tie point of Tz and inductance L z and intermediate dc loop-between be connected to sustained diode z.After it drops into, the auxiliary electrical network copped wave of the 600VDC that the paired pulses rectification forms, B charges as load with storage battery, and the current/voltage of charging when storage battery is lower than 110V, is pressed constant-current charge through sensor measurement; When battery tension reaches 110V, carry out constant-voltage charge and locomotive 110VDC control power supply is provided.When design and construction, should add step-down isolation transformer and isolate, make auxiliary electrical network of 600VDC and 110VDC control electrical network isolate, simultaneously, also improve the too high impact of charge in batteries voltage pulse.
Claims (2)
1. diesel engine of diesel locomotive static frequency converter, comprise major loop, control loop and the operation display panel that is used to revise parameter and data display, control loop comprises control panel, trigger board, the A/D plate, receive startup and function select signal and send the I/O plate of trouble signal, the control power panel of each feature board and probe power is provided, it is characterized in that: the intermediate loop capacitor C d of described major loop is connected with the intermediate dc loop, self cut-off device T1, T2, T3, T4, T5, T6 is that three-phase bridge connects, connect intermediate dc loop and the staor winding that exchanges the assist in synchronization generator respectively, intermediate dc loop+connection CL+, CL-connection intermediate dc loop-, the CL two ends connect outside storage battery B, Tf be attempted by the CL two ends after Df connects, Tf is connected exciting winding Lf with the output of Df intermediate point, outside starting contactor QD one termination CL+, another termination intermediate dc loop+; Trigger board connects the trigger end of T1 in the major loop, T2, T3, T4, T5, T6, Tz, Tf respectively, and the A/D plate receives alternating voltage UA, UB, alternating current (a.c.) IA, IB, intermediate dc loop voltage Ud, electric current I d, field current If, storage battery B charging voltage Uc signal.
2. diesel engine of diesel locomotive static frequency converter as claimed in claim 1 is characterized in that: Tz and inductance L z are serially connected with described intermediate dc loop+and CL+, the tie point of Tz and inductance L z and intermediate dc loop-between be connected to sustained diode z.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200145468U CN201074565Y (en) | 2007-09-11 | 2007-09-11 | Diesel engine frequency conversion starting device for diesel locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200145468U CN201074565Y (en) | 2007-09-11 | 2007-09-11 | Diesel engine frequency conversion starting device for diesel locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201074565Y true CN201074565Y (en) | 2008-06-18 |
Family
ID=39519828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200145468U Expired - Fee Related CN201074565Y (en) | 2007-09-11 | 2007-09-11 | Diesel engine frequency conversion starting device for diesel locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201074565Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412775A (en) * | 2011-10-20 | 2012-04-11 | 南车资阳机车有限公司 | Multi-module frequency-change alternating-current auxiliary system for locomotive and implementation method for multi-module variable-frequency alternating-current auxiliary system |
| CN103095201A (en) * | 2012-12-24 | 2013-05-08 | 中国北车集团大连机车研究所有限公司 | Internal combustion locomotive alternating current auxiliary generator excitation control device |
| CN103825359A (en) * | 2012-11-16 | 2014-05-28 | 威士多公司 | A working machine |
| CN105978424A (en) * | 2016-05-11 | 2016-09-28 | 株洲中车时代电气股份有限公司 | Excitation chopper |
| CN106160605A (en) * | 2016-07-11 | 2016-11-23 | 中车大连机车车辆有限公司 | Diesel engine varying frequency starting method and diesel generating set, locomotive |
| US9802559B2 (en) | 2014-01-28 | 2017-10-31 | Visedo Oy | Working machine for operating as an auxiliary power plant |
| WO2018023896A1 (en) * | 2016-08-04 | 2018-02-08 | 中车戚墅堰机车有限公司 | Circuit for achieving variable frequency starting of ac diesel locomotive engine based on four-quadrant converter |
| CN110798109A (en) * | 2019-10-15 | 2020-02-14 | 广州市伟达力电器有限公司 | Locomotive multi-module frequency converter alternating current auxiliary system and method |
-
2007
- 2007-09-11 CN CNU2007200145468U patent/CN201074565Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412775A (en) * | 2011-10-20 | 2012-04-11 | 南车资阳机车有限公司 | Multi-module frequency-change alternating-current auxiliary system for locomotive and implementation method for multi-module variable-frequency alternating-current auxiliary system |
| CN102412775B (en) * | 2011-10-20 | 2014-10-15 | 南车资阳机车有限公司 | Multi-module frequency-change alternating-current auxiliary system for locomotive and implementation method for multi-module variable-frequency alternating-current auxiliary system |
| CN103825359A (en) * | 2012-11-16 | 2014-05-28 | 威士多公司 | A working machine |
| CN103825359B (en) * | 2012-11-16 | 2018-07-13 | 威士多公司 | Working machine |
| CN103095201A (en) * | 2012-12-24 | 2013-05-08 | 中国北车集团大连机车研究所有限公司 | Internal combustion locomotive alternating current auxiliary generator excitation control device |
| US9802559B2 (en) | 2014-01-28 | 2017-10-31 | Visedo Oy | Working machine for operating as an auxiliary power plant |
| CN105978424A (en) * | 2016-05-11 | 2016-09-28 | 株洲中车时代电气股份有限公司 | Excitation chopper |
| CN106160605A (en) * | 2016-07-11 | 2016-11-23 | 中车大连机车车辆有限公司 | Diesel engine varying frequency starting method and diesel generating set, locomotive |
| WO2018023896A1 (en) * | 2016-08-04 | 2018-02-08 | 中车戚墅堰机车有限公司 | Circuit for achieving variable frequency starting of ac diesel locomotive engine based on four-quadrant converter |
| CN110798109A (en) * | 2019-10-15 | 2020-02-14 | 广州市伟达力电器有限公司 | Locomotive multi-module frequency converter alternating current auxiliary system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201074565Y (en) | Diesel engine frequency conversion starting device for diesel locomotive | |
| CN101958674B (en) | Winding open-circuit type permanent magnet motor vehicle starting and generating system and control method | |
| CN103647483B (en) | The power conversion unit that a kind of switch reluctance motor drives and battery charges | |
| CN102790573B (en) | Inverter generator | |
| CN103249591B (en) | Method for charging a traction battery | |
| CN108475937A (en) | A kind of controller of inductive load to contain one or more induction coils | |
| CN110014854B (en) | Converter and electric transmission system | |
| CN203708154U (en) | Power conversion device integrating switch reluctance motor driving and battery charging | |
| CN104057812A (en) | Hybrid System Of Engine And Motor Generator | |
| CN103166220B (en) | A kind of off-grid type Stirling electric power system structure and control method | |
| CN104993580A (en) | Gas-electricity hybrid DC power supply device | |
| CN204886620U (en) | Double-excitation winding energy-saving direct current motor | |
| CN104753160B (en) | A kind of automobile start generator and its control device | |
| CN201918962U (en) | Motor drive circuit with charging function | |
| CN102545754A (en) | Winding open circuit type permanent magnet double-salient-pole starting power generation system | |
| CN109177748A (en) | Hybrid vehicle transmission | |
| CN101719729B (en) | Series connection apparatus for generators | |
| KR102691476B1 (en) | System of increasing temperature of battery for vehicle | |
| CN204886646U (en) | Dynamic magnetoelectric amplifying device | |
| CN101447689A (en) | Locomotive-auxiliary generating system capable of achieving self-excited and variable-voltage charge control | |
| CN113783498B (en) | Integrated function drive converter that charges of two stator switch reluctance motor | |
| CN202663349U (en) | Wind power generating unit with third harmonic power supply and controlled rotary transformation | |
| CN206255175U (en) | Ship direct current networking propulsion system with batteries to store energy | |
| CN204349695U (en) | Multifunctional generating unit | |
| CN203151093U (en) | Off-grid Stirling power supply system structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 Termination date: 20120911 |