CN101700736B - Hybrid power device of electric bus - Google Patents
Hybrid power device of electric bus Download PDFInfo
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- CN101700736B CN101700736B CN 200910227983 CN200910227983A CN101700736B CN 101700736 B CN101700736 B CN 101700736B CN 200910227983 CN200910227983 CN 200910227983 CN 200910227983 A CN200910227983 A CN 200910227983A CN 101700736 B CN101700736 B CN 101700736B
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Abstract
The invention relates to a power device of an electric bus, in particular to a hybrid power device of an electric bus. The invention solves the problems of traditional hybrid power devices of electric buses, such as high price, unideal oil-saving index, short service life of power batteries, and the like, caused by unreasonable model selection and matching of all parts. The hybrid power device comprises a control system, a diesel generator set, an AC drive system, a power battery system and an AC auxiliary system, wherein the diesel generator set is a general power frequency diesel generator set which is matched with a diode rectifying cabinet in the AC drive system to output a DC power supply of DC450V-550V. The AC drive system comprises a rectifying cabinet, a traction inverter, a traction motor and a speed reducer, wherein the input end of the rectifying cabinet is connected with the output end of a generator and outputs a DC power supply of DC450V-550V; the traction inverter outputs AC380-400V; the traction motor is connected to the output end of the traction inverter; and a positive electrode of a power storage battery is connected with a positive electrode of the traction inverter. The invention has popularization and application value in the field of hybrid power buses.
Description
Technical field
The present invention relates to the electric bus engine installation, be specially hybrid power device of electric bus.
Background technology
The important behave that development clean energy resource electronlmobil is national industry restructuring, realize energy-saving and emission-reduction, set up friendly environment society.Mixed power plant is the core of hybrid electrically bus (the English HEV of abbreviation), has 3 kinds of power delivery modes of series, parallel and series parallel type, is that technology is ripe relatively, and the industry basis is power mode preferably, has good business development prospect.The technical scheme of mixed power plant selects (plumbic acid, lithium electricity, ni-mh, ferric phosphate aluminium, super capacitor etc.), charging modes (ground charging, vehicle-mounted charge, Plug-in etc.), control policy (calorstat, driving engine are followed, composite mode etc.) at power delivery mode (series, parallel and series-parallel connection), electrokinetic cell, mixes the degree of depth each side such as (slight, moderate, the degree of depth, complete mixed) all to have nothing in common with each other, and also there are very big-difference in system complex degree, vehicle performance index, operation characteristic, energy-saving index and cost performance aspect.At present, have the hybrid-power bus of various ways all to be in the demonstration operation phase, but common problem is; Because each parts type selecting, the coupling unreasonable, bring mixed power plant to cost an arm and a leg, the fuel-economizing index is undesirable; The electrokinetic cell life-span is short, has restricted applying of hybrid vehicle.
Summary of the invention
The present invention is in order to solve existing hybrid power device of electric bus owing to each parts type selecting, coupling are unreasonable; Bring mixed power plant to cost an arm and a leg; Problems such as the fuel-economizing index is undesirable, and the electrokinetic cell life-span is short provide a kind of hybrid power device of electric bus.This device adopts power frequency diesel powerplant and diode rectifier bridge to form the DC450V-550V direct supply, to electrokinetic cell and traction invertor electric energy is provided; To the power supply of AC380-400V traction motor, realize power system traction electric tramsmission by inverter; Design high-capacity electrokinetic cell storage of electrical energy, have Plug-in stopping for charging function, reduce fuel oil consumption; Ancillary system adopts the AC380-400V power frequency AC, utilizes power frequency diesel powerplant or electrokinetic cell to supply power with double circuit, and prolongs the service life of battery.
The present invention adopts following technical scheme to realize: hybrid power device of electric bus comprises control system, diesel powerplant, alternating-current actuating system, electrokinetic cell system, interchange ancillary system; Control system comprises entire car controller that signal input part links to each other with the signal output part of vehicle drivers control system and the read-out that links to each other with entire car controller; Described diesel powerplant for alternating-current actuating system in the match general power frequency diesel powerplant of output DC450V-550V direct supply of diode rectification cabinet; This general power frequency diesel powerplant comprises the diesel engine that is controlled by entire car controller, diesel-driven electrical generator and the external electric supply socket that links to each other with the mouth of electrical generator, and the excitation controller of electrical generator is controlled by entire car controller; Alternating-current actuating system comprises that input end links to each other with the mouth of electrical generator and exports the rectifier cabinet of DC450V-550V direct supply; Input end links to each other with the mouth of rectifier cabinet and exports the traction invertor of AC380-400V; Be connected in the traction motor of traction invertor mouth; With the retarder of traction motor mechanical attachment, between rectifier cabinet and traction invertor, be connected with the DC contactor that is controlled by entire car controller, between rectifier cabinet and traction invertor, also be connected with first diode; Electrokinetic cell system comprises input end dc charging motor that links to each other with the mouth of rectifier cabinet and the power accumulator that is connected in the dc charging motor mouth; The positive pole of power accumulator links to each other with the positive pole of traction invertor through second diode; Power accumulator is supporting to have temperature and voltage check device, to entire car controller the power accumulator status information is provided; Exchange ancillary system and comprise inverter and two-position AC contactor KM2 who is controlled by entire car controller that input end links to each other with power accumulator; The open contact of two-position AC contactor is connected in the mouth (loop) of inverter, and the normally closed contact of the mouth of electrical generator AC contactor through the two-position links to each other with the mouth of the open contact of the two-position AC contactor that is connected in inverter output end; Described interchange ancillary system is power supplies such as the air compressor motor, servo-steering motor, air conditioner motor on the vehicle.The instruction that entire car controller sends according to control system of department; All parts to engine installation send the given instruction of operation; Make stable coordination operations such as diesel engine unit, electrokinetic cell, alternating current traction system, ancillary system to guarantee the car load tractive performance, realize maximum fuel-economizing target.Network communication CAN is responsible for transmitting control instruction and parts operational factor between entire car controller ACU and each parts, and can on driver's desk, show various information through read-out XP.
Hybrid power device of electric bus of the present invention; With modular power frequency generator set and diode rectification cabinet DC450V-550V is provided direct supply; Be the power supply of AC380-400V traction motor through traction invertor; Realize car load traction electric tramsmission, utilize modularization, General design to reduce system cost; Adopt AC380-400V to exchange ancillary system, be equipped with generator set and electrokinetic cell and supply power with double circuit, further cost-cutting prolongs the electrokinetic cell life-span; Adopt great-capacity power battery, adopt calorstat and the double mode charging of Plug-in, realize degree of depth mixing, utilize the cleaning electric energy to greatest extent, improve the fuel-economizing index.This later-model mixed power plant, will make mixed power electric car at aspects such as system price, battery life, fuel-economizing indexs be improved significantly.
The present invention adopts modularization, General design theory, for electric bus provide a kind of advanced in performance, charging is flexible, reliable, cost performance is high, the power system of easy maintenance.
The present invention has following characteristics: 1, with power frequency diesel-driven group and diode rectification cabinet DC450V-550V is provided direct supply.2, adopt AC380-400V to exchange or permanent magnet traction motor, realize the accuracy control of electronlmobil tractive force.3, adopt the great-capacity power battery of DC450V-550V, realize tandem deep hybrid power system.4, adopt one-level fixed speed ratio drop-gear box, make the motor speed height in light weight, strengthen the output of power system tractive force.5, possess the charging of generator set calorstat and two kinds of charging modes of ground Plug-in at night, it is flexible to charge.6, the Air compressor on the vehicle, servo-steering, air-conditioning etc. adopt AC380V to exchange ancillary system, realize the helper motor universalization.7, exchange ancillary system and have storage battery, two kinds of power supply modes of diesel engine unit, realize switching through the contactless switch of interlocking.8, entire car controller adopts the CAN network communication, realizes the demonstration of control signal transmission and operational factor.
The present invention has the following advantages: 1, adopt the DC550V/AC380V voltage class, major part is realized modular design.Diesel powerplant, inverter, traction electric machine, battery charger, auxiliary inverse power supply etc. all can have been expanded supply channel by the ripe parts of existing products such as trackless trolley car, and the product engineering degree is high, helps the product application.2, system unit highly versatile, design cost is low, good reliability, operation and service expenditure are low.Because the parts commonality is good, makes the design cost of system effectively reduce; Simultaneously, component technology is ripe, in liberal supply, and device reliability and maintainability are guaranteed.3, degree of depth series hybrid, two kinds of charging modes can utilize the cleaning electric energy to greatest extent, and fuel saving ratio is improved.4, exchange two kinds of power supply modes of ancillary system, both can pure electricity operation, effective extending battery life again.5, adopt CAN network entire car controller, each parts coordinated operation of control system, convenient, flexible.6, adopt interchange or permanent magnet traction motor, realize the accuracy control of tractive force, dynamic is good, and fractional energy savings is high.
Description of drawings
Fig. 1 is the structural representation of hybrid power device of electric bus of the present invention;
The specific embodiment
Hybrid power device of electric bus comprises control system, diesel powerplant, alternating-current actuating system, electrokinetic cell system, interchange ancillary system; Control system comprises entire car controller ACU that signal input part links to each other with the signal output part of vehicle drivers control system AC and the read-out XP that links to each other with entire car controller; Described diesel powerplant for alternating-current actuating system in the match general power frequency diesel powerplant of output DC450V-550V direct supply of diode rectification cabinet; This general power frequency diesel powerplant comprises the diesel engine CHYJ that is controlled by entire car controller ACU, the electrical generator GS that diesel engine CHYJ drags and the external electric supply socket XS that links to each other with the mouth of electrical generator GS, and the excitation controller AVR of electrical generator GS is controlled by entire car controller ACU; Alternating-current actuating system comprises that input end links to each other with the mouth of electrical generator GS and exports the rectifier cabinet UR of DC450V-550V direct supply; Input end links to each other with the mouth of rectifier cabinet UR and exports the traction invertor UA of AC380-400V; Be connected in the traction motor M1 of traction invertor UA mouth; Retarder i1 with traction motor M1 mechanical attachment; Between rectifier cabinet UR and traction invertor UA, be connected with the DC contactor KM1 that is controlled by entire car controller ACU, between rectifier cabinet UR and traction invertor UA, also be connected with the first diode VT1; Electrokinetic cell system comprises input end dc charging motor CDJ that links to each other with the mouth of rectifier cabinet UR and the power accumulator XDC that is connected in dc charging motor CDJ mouth; The positive pole of power accumulator XDC links to each other with the positive pole of traction invertor UA through the second diode VT2; Power accumulator XDC is supporting to have temperature and voltage check device; To entire car controller ACU the power accumulator status information is provided; Exchange ancillary system and comprise inverter UAF and two-position AC contactor KM2 who is controlled by entire car controller ACU that input end links to each other with power accumulator XDC; The open contact of two-position AC contactor KM2 is connected in the mouth (loop) of inverter UAF, and the normally closed contact of the mouth of electrical generator GS AC contactor KM2 through the two-position links to each other with the mouth of the open contact of the two-position AC contactor KM2 that is connected in inverter UAF mouth; Described interchange ancillary system is power supplies such as the air compressor motor M2, servo-steering motor M 3, air conditioner motor M4 on the vehicle.During practical implementation, power accumulator XDC selects lead-acid battery for use.Described entire car controller ACU, rectifier cabinet UR, traction invertor UA, inverter UAF, dc charging motor CDJ, excitation controller AVR, retarder i1 are existing known products, can choose or one of ordinary skill in the art realize easily.
Diesel powerplant improves the unit cushioning performance on the basis of the universal product, adjustment AVR controller characteristic curve gets final product.According to the ACU control policy, these parts can be supplied power to traction invertor UA, or to power battery charging; When starting-up to speed or climbing, supply power to electrical motor M simultaneously, improve the car load tractive performance with power accumulator XDC.The alternating current of diesel powerplant converts vdc into through rectifier cabinet UR rectification; Switch through DC contactor KM1, according to control command control motor M1, realize the control of electronlmobil speed and tractive force by traction invertor UA.The operation characteristic of output-constant operation when constant force square, high speed when traction system has low speed.Diode VT1, VT2 have the unilateral conduction function, and when guaranteeing storage battery power supply, energy flows to inverter.Drop-gear box I1 is set, can improves motor speed, strengthen the car load tractive force, reduce electrical motor volume and weight.Dc charging motor CDJ receives the direct current energy from rectifier cabinet UR, and power accumulator XDC is carried out the constant current/constant voltage charging.The power accumulator group is supplied power to traction invertor through diode VT2; Power accumulator XDC is supporting to have temperature and voltage check device; To entire car controller ACU the power accumulator status information is provided; To optimize integrated vehicle control tactics (determine when and start diesel engine and electrical generator), protection also prolongs battery age.During the vehicle parking warehouse-in, dc charging motor CDJ can charge to power accumulator through external electric supply socket XS, realizes the Plug-in charge function.Restorative charge protection power accumulator when this design is passed through to stop also helps reducing the passenger vehicle operation cost.Exchanging ancillary system can be supplied power with double circuit by diesel powerplant and power accumulator, carries out interlocking by two-position AC contactor KM2 and switches, and supplies power with double circuit and can reduce the storage battery duration of load application, prolongs the electrokinetic cell life-span.
As direct supply, electric system has adopted the DC450V-550V/AC380-400V voltage class with power frequency generator set and diode rectifier bridge in the present invention, adopts frequency control or magneto-electric machine to realize car load traction electric tramsmission; Adopting great-capacity power battery to exchange ancillary system with AC380-400V, is a kind of degree of depth series connection type hybrid power system; And possess calorstat and two kinds of charge modes of Plug-in.This later-model electronlmobil hybrid power system; Have modular design, parts general good, system is succinct, advanced in performance, reliable, characteristics that cost performance is high; Can effectively reduce the power system manufacturing cost, improve car load operation fuel-economizing index, reduce the operation maintenance expense; Prolong power pond service life, have application value in the hybrid-power bus field.
Claims (1)
1. a hybrid power device of electric bus is characterized by: comprise control system, diesel powerplant, alternating-current actuating system, electrokinetic cell system, interchange ancillary system; Control system comprises entire car controller (ACU) that signal input part links to each other with the signal output part of vehicle drivers control system (AC) and the read-out (XP) that links to each other with entire car controller; Described diesel powerplant for alternating-current actuating system in the match general power frequency diesel powerplant of output DC450V-550V direct supply of rectifier cabinet (UR); This general power frequency diesel powerplant comprises the diesel engine (CHYJ) that is controlled by entire car controller (ACU), the electrical generator (GS) that diesel engine (CHYJ) drags and the external electric supply socket (XS) that links to each other with the mouth of electrical generator (GS), and the excitation controller (AVR) of electrical generator (GS) is controlled by entire car controller (ACU); Alternating-current actuating system comprises that input end links to each other with the mouth of electrical generator (GS) and exports the rectifier cabinet (UR) of DC450V-550V direct supply; Input end links to each other with the mouth of rectifier cabinet (UR) and exports the traction invertor (UA) of AC380-400V; Be connected in the traction motor (M1) of traction invertor (UA) mouth; Retarder (i1) with traction motor (M1) mechanical attachment; Between rectifier cabinet (UR) and traction invertor (UA), be connected with the DC contactor (KM1) that is controlled by entire car controller (ACU), between rectifier cabinet (UR) and traction invertor (UA), also be connected with first diode (VT1); Electrokinetic cell system comprises dc charging motor (CDJ) that input end links to each other with the mouth of rectifier cabinet (UR) and the power accumulator (XDC) that is connected in dc charging motor (CDJ) mouth; The positive pole of power accumulator (XDC) links to each other with the positive pole of traction invertor (UA) through second diode (VT2); Power accumulator (XDC) is supporting to have temperature and voltage check device, and (ACU) provides the power accumulator status information to entire car controller; Exchange ancillary system and comprise inverter (UAF) and two-position AC contactor (KM2) that is controlled by entire car controller (ACU) that input end links to each other with power accumulator (XDC); The open contact of two-position AC contactor (KM2) is connected in the mouth of inverter (UAF), and the normally closed contact of the mouth of electrical generator (GS) AC contactor (KM2) through the two-position links to each other with the mouth of the open contact of the two-position AC contactor (KM2) that is connected in inverter (UAF) mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910227983 CN101700736B (en) | 2009-12-04 | 2009-12-04 | Hybrid power device of electric bus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910227983 CN101700736B (en) | 2009-12-04 | 2009-12-04 | Hybrid power device of electric bus |
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| CN101700736A CN101700736A (en) | 2010-05-05 |
| CN101700736B true CN101700736B (en) | 2012-12-05 |
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| CN 200910227983 Expired - Fee Related CN101700736B (en) | 2009-12-04 | 2009-12-04 | Hybrid power device of electric bus |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296897A (en) * | 2012-03-05 | 2013-09-11 | 永济新时速电机电器有限责任公司 | Traction converter and electric transmission system of electric locomotive |
| CN103078386A (en) * | 2013-01-25 | 2013-05-01 | 贠爱茹 | Integrated-type power supply management system |
| CN107196490A (en) * | 2017-06-12 | 2017-09-22 | 中车青岛四方车辆研究所有限公司 | The control method of power circuit, railway vehicle air conditioner and power circuit |
| CN110696846A (en) * | 2019-10-23 | 2020-01-17 | 中车大连机车车辆有限公司 | Multi-power-source railway vehicle and main and auxiliary transmission system and method thereof |
| CN112952981A (en) * | 2021-02-07 | 2021-06-11 | 重庆润电科技有限公司 | Oil-electricity hybrid mobile power supply system and working method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274594A (en) * | 2007-03-30 | 2008-10-01 | 南车成都机车车辆有限公司 | Hybrid power system for track |
| CN201592649U (en) * | 2009-12-04 | 2010-09-29 | 永济新时速电机电器有限责任公司 | Hybrid power device of electric bus |
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2009
- 2009-12-04 CN CN 200910227983 patent/CN101700736B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274594A (en) * | 2007-03-30 | 2008-10-01 | 南车成都机车车辆有限公司 | Hybrid power system for track |
| CN201592649U (en) * | 2009-12-04 | 2010-09-29 | 永济新时速电机电器有限责任公司 | Hybrid power device of electric bus |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2009-029395A 2009.02.12 |
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