CN103963654A - Drive systemfor hybridvehicle - Google Patents
Drive systemfor hybridvehicle Download PDFInfo
- Publication number
- CN103963654A CN103963654A CN201310042338.9A CN201310042338A CN103963654A CN 103963654 A CN103963654 A CN 103963654A CN 201310042338 A CN201310042338 A CN 201310042338A CN 103963654 A CN103963654 A CN 103963654A
- Authority
- CN
- China
- Prior art keywords
- direct current
- converter
- voltage
- bus
- drive system
- 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.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to a drive system (20) for a hybrid vehicle, which comprises a first DC-DC convertor (202), an inverter (204), a rectifier (206) and a second DC-DC convertor (208), wherein the first DC-DC convertor (202) is used for convertingdirect current with the first voltage from a battery pack (30) into direct current with the second voltage and outputting the direct current to a direct current bus, or convertingthe direct current with the second voltage on the DC bus into direct current with the first voltage and storing the direct current with the first voltage in the battery pack (30); the inverter (204) is connected with the DC bus and used for converting the direct current with the second voltage on the direct current bus into alternate current, and outputting the alternate current to a motor (40); the rectifier (206) is used for converting the alternate current generated by a generator (50) into direct current; the second DC-DC convertor (208) is used for converting the direct current converted by the rectifier (206) into direct current with the second voltage, and outputting the direct current with the second voltage to the direct current bus. The adverseeffect of switch secondary corrugation on the battery pack (30)can be reduced and even eliminated by utilizing the drive system (20).
Description
Technical field
The present invention relates to field of hybrid electric vehicles, relate in particular to a kind of drive system for hybrid vehicle.
Background technology
Hybrid vehicle (HEV) technology, through the development of recent two decades, has become a kind of proven technique relatively gradually.In hybrid vehicle system, drive system comprises oil-electric engine group and direct motor drive two parts device.This two parts device need to battery pack cooperative cooperating, to improve fuel efficiency and the energy content of battery service efficiency of car load.Therefore, how generating, electronic and battery pack reliably, rationally and efficiently link together, just become one of gordian technique of field of hybrid electric vehicles.
The Chinese patent application CN102837618A that exercise question is " a kind of power of extended-range electric vehicle and control system thereof " has proposed a kind of power for battery-driven car and control system thereof.As shown in Figure 1, this power and control system thereof comprise electrical motor 11, inverter 12, buck-boost converter 13, battery pack 14, three phase alternator group 15 and rectifier 16, wherein, three phase alternator group 15 comprises three-phase generator 151, raising speed gear case 152 and combustion engine 153.On the one hand, after boosting, the buck-boost converter 13 that the direct current (DC) that battery pack 14 is exported is DC-DC converter through it offers inverter 12, inverter 12 is converted to alternating current the direct current (DC) boosting from the process of buck-boost converter 13 and exports to electrical motor 11, and electrical motor 11 uses from the AC electric drive vehicle of inverter 12 and travels.On the other hand, in three phase alternator group 15, combustion engine 153 drives three-phase generator 151 to produce alternating current by raising speed gear case 152, and the alternating current that rectifier 16 produces three phase alternator group 15 is converted to direct current (DC) and stores in battery pack 14.System shown in Fig. 1 links together generating, electronic and battery pack reliably.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of drive system for hybrid vehicle, and it can reduce even eliminates the adverse effect of switch time ripple to battery pack.
According to the drive system of a kind of hybrid vehicle of the embodiment of the present invention, comprise: the first DC-DC converter, for being converted to and thering is the direct current (DC) of second voltage and export to DC bus from the direct current (DC) with the first voltage of battery pack, or, the direct current (DC) with described second voltage on described DC bus is converted to and has the direct current (DC) of described the first voltage and store in described battery pack; Inverter, it is connected with described DC bus, for the direct current (DC) with described second voltage on described DC bus is converted to alternating current and exports to electrical motor; Rectifier, is converted to direct current (DC) for the alternating current that electrical generator is produced; And the second DC-DC converter, is converted to and has the direct current (DC) of described second voltage and export to described DC bus for the direct current (DC) that described rectifier is changed.
In a kind of specific implementation, described the first DC-DC converter is realized by a part of brachium pontis having in the DC-DC converter of multiple brachium pontis, and described the second DC-DC converter is realized by another part brachium pontis in the described DC-DC converter with multiple brachium pontis.
In a kind of specific implementation, described drive system also comprises described battery pack.
In a kind of specific implementation, described drive system also comprises described electrical generator.
In a kind of specific implementation, described drive system also comprises: the first electric capacity, it is connected between the positive pole and negative pole of described battery pack.
In a kind of specific implementation, described drive system also comprises: the second electric capacity, it is connected between the positive input terminal and negative input end of described inverter.
In a kind of specific implementation, described drive system also comprises: the 3rd electric capacity, it is connected between the positive output end and negative output terminal of described rectifier.
As can be seen from the above description, owing to having introduced the DC-DC converter with filter function between rectifier and battery pack, therefore the drive system of the embodiment of the present invention can reduce and even eliminates the adverse effect of switch time ripple to battery pack.
Brief description of the drawings
Other feature of the present invention, feature, advantage and benefit will become more apparent by the detailed description below in conjunction with accompanying drawing.Wherein:
Fig. 1 shows a kind of power for battery-driven car and control system thereof;
Fig. 2 shows according to an embodiment of the invention the schematic diagram for the drive system of hybrid vehicle; And
Fig. 3 shows the schematic diagram that utilizes according to an embodiment of the invention DC-DC converter to realize DC-DC converter.
Below each Reference numeral and represented object thereof:
20---drive system
14,30---battery pack
13---buck-boost converter
15---three phase alternator group
11,40---electrical motor
50,151---electrical generator
152---raising speed gear case
153---combustion engine
202,208, K---DC-DC converter
12,204---inverter
16,206---rectifier
210,212,214---electric capacity
ZL---DC bus
T11, T12, T21, T22, T31, T32---binistor
L1, L2, L3---inductance
Detailed description of the invention
Describe each embodiment of the present invention in detail in connection with accompanying drawing below.
Fig. 2 shows according to an embodiment of the invention the schematic diagram for the drive system of hybrid vehicle.As shown in Figure 2, drive system 20 can comprise DC-to-DC (DC-DC) changer 202, inverter 204, rectifier 206, DC-DC converter 208, electric capacity 210, electric capacity 212 and electric capacity 214.
DC-DC converter 202 connects battery pack 30 and DC bus ZL, wherein, the positive input terminal of DC-DC converter 202 and negative input end are connected respectively positive pole and the negative pole of battery pack 30, and the positive output end of DC-DC converter 202 is connected DC bus ZL with negative output terminal.DC-DC converter 202 can will be converted to and have the direct current (DC) of second voltage and export to DC bus ZL from the direct current (DC) with the first voltage of battery pack 30, or, the direct current (DC) with second voltage on DC bus ZL is converted into and has the direct current (DC) of the first voltage and be stored in battery pack 30.Here, the first voltage can be for example 260V to 375V, and second voltage can be for example 400V.
Inverter 204 is a DC-AC (DC-AC) changers, and it connects DC bus ZL and electrical motor 40, and wherein, the positive input terminal of inverter 204 is connected DC bus ZL with negative input end.Inverter 204 can be for being converted to the direct current (DC) with second voltage on DC bus ZL alternating current and exporting to electrical motor 40, so that electrical motor 40 drives running car.
Rectifier 206 is an AC-DC (AC-DC) changers, and it connects generator set 50, is converted to direct current (DC) for the alternating current that generator set 50 is produced.
DC-DC converter 208 connects DC bus ZL and rectifier 206, and wherein, the positive input terminal of DC-DC converter 208 and negative input end are connected respectively positive output end and the negative output terminal of rectifier 206.The direct current (DC) that DC-DC converter 208 can be exported rectifier 206 is converted into be had the direct current (DC) of second voltage and exports to DC bus ZL.
Electric capacity 210 is connected between the positive pole and negative pole of battery pack 30, for filtering the harmonic wave of the direct current (DC) that battery pack 30 exports or filtering the harmonic wave in the direct current (DC) that DC-DC converter 202 will store battery pack 30 into.
Electric capacity 212 is connected between the positive input terminal and negative input end of inverter 204, for filtering the harmonic wave that will be input to the direct current (DC) of inverter 204 on DC bus ZL.
Electric capacity 214 is connected between the positive output end and negative output terminal of rectifier 206, for filtering the harmonic wave of the direct current (DC) that rectifier 206 exports.
As shown in Figure 3, DC-DC converter 202 and DC-DC converter 208 utilize a DC-DC converter K with three brachium pontis to realize, wherein, the brachium pontis being formed by inductance L 1 and switching element T 11, T12 in DC-DC converter 208 use DC-DC converter K is realized, and the brachium pontis being formed by inductance L 2 and switching element T 21, T22 in DC-DC converter 202 use DC-DC converter K and the brachium pontis being formed by inductance L 3 and switching element T 31, T32 are realized.
Here, the electric energy that generator set 50 produces outputs to DC bus ZL after rectifier 206 is converted to direct current (DC), in the time that the direct current (DC) of changing through rectifier 206 exceedes the required electric energy of electrical motor 40, the direct current (DC) exceeding stores in battery pack 30 via DC-DC converter 202, and in the time that the direct current (DC) of changing through rectifier 206 is less than the required electric energy of electrical motor 40, the direct current (DC) lacking is provided to DC bus ZL by battery pack 30 by DC-DC converter 202.
Can find out from description above, the direct current (DC) that exceedes the required electric energy of electrical motor 40 of changing through rectifier 206 stores battery pack 30 into by DC-DC converter 202, and DC-DC converter 202 is to use in DC-DC converter K by inductance L 2 and switching element T 21, T22 form brachium pontis and by inductance L 3 and switching element T 31, the brachium pontis that T32 forms is realized, inductance L 2 and L3 have filter action, therefore, in the direct current (DC) of changing through rectifier 206, existing switch time ripple will be filtered away by inductance L 2 and L3, thereby can reducing, the drive system of the present embodiment even eliminates the adverse effect of switch time ripple to battery pack 30.In other words,, owing to having introduced DC-DC converter 202 between rectifier 206 and battery pack 30, therefore can reduce the adverse effect of the switch time ripple of even eliminating rectifier 206 to battery pack 30.
In addition, DC-DC converter 202 and DC-DC converter 208 can be realized by a DC-DC converter, can utilize existing buck-boost converter 13 to realize DC-DC converter 202 and DC-DC converter 208, therefore, the drive system of the present embodiment does not change hardware device with respect to aforesaid prior art, thereby has reduced cost.
In addition, owing to controlling the DC bus-bar voltage of generator set 50 and the DC bus-bar voltage of electrical motor 40 by DC-DC converter 202 and DC-DC converter 208 respectively, therefore, the DC bus-bar voltage of generator set 50 does not need identical with the DC bus-bar voltage of electrical motor 40, thereby increases the selection degree of freedom of generator set 50 and electrical motor 40.
Other distortion
Although it will be appreciated by those skilled in the art that in the above embodiments, DC-DC converter 202 and DC-DC converter 208 are to be realized by a DC-DC converter with three brachium pontis, but the present invention is not limited thereto.At some other embodiment of the present invention, DC-DC converter 202 and DC-DC converter 208 also can have two or realize more than the DC-DC converter of three brachium pontis by one, wherein, DC-DC converter 202 has two or realize more than a part of brachium pontis in the DC-DC converter of three brachium pontis by this, and DC-DC converter 208 has two or realize more than another part brachium pontis in the DC-DC converter of three brachium pontis by this.
Although it will be appreciated by those skilled in the art that in the above embodiments, DC-DC converter 202 and DC-DC converter 208 are realized by a DC-DC converter, but the present invention is not limited thereto.At some other embodiment of the present invention, 208 pages of DC-DC converter 202 and DC-DC converter can be realized by different DC-DC converter respectively.
Although it will be appreciated by those skilled in the art that in the above embodiments, drive system 20 comprises electric capacity 210, electric capacity 212 and electric capacity 214, but the present invention is not limited thereto.At some other embodiment of the present invention, drive system 20 also can not comprise in electric capacity 210, electric capacity 212 and electric capacity 214 any one, any two or all.
Although it will be appreciated by those skilled in the art that in the above embodiments, drive system 20 does not comprise battery pack 30 and generator set 50, but the present invention is not limited thereto.At some other embodiment of the present invention, drive system 20 also can comprise battery pack 30 and/or generator set 50.
It will be appreciated by those skilled in the art that disclosed each embodiment above, can in the situation that not departing from invention essence, make various distortion and change.Therefore, protection scope of the present invention should be limited by appending claims.
Claims (7)
1. the drive system of a hybrid vehicle (20), comprising:
The first DC-DC converter (202), for being converted to and thering is the direct current (DC) of second voltage and export to DC bus from the direct current (DC) with the first voltage of battery pack (30), or, the direct current (DC) with described second voltage on described DC bus is converted to and has the direct current (DC) of described the first voltage and store in described battery pack (30);
Inverter (204), it is connected with described DC bus, for the direct current (DC) with described second voltage on described DC bus is converted to alternating current and exports to electrical motor (40);
Rectifier (206), is converted to direct current (DC) for the alternating current that electrical generator (50) is produced; And
The second DC-DC converter (208), is converted to and has the direct current (DC) of described second voltage and export to described DC bus for the direct current (DC) that described rectifier (206) is changed.
2. drive system as claimed in claim 1 (20), wherein,
Described the first DC-DC converter (202) is realized by a part of brachium pontis having in the DC-DC converter of multiple brachium pontis, and described the second DC-DC converter (208) is realized by another part brachium pontis in the described DC-DC converter with multiple brachium pontis.
3. drive system as claimed in claim 1 or 2 (20), wherein, also comprises described battery pack (30).
4. drive system as claimed in claim 1 or 2 (20), wherein, also comprises described electrical generator (50).
5. drive system as claimed in claim 1 or 2 (20), wherein, also comprises:
The first electric capacity (210), it is connected between the positive pole and negative pole of described battery pack (30).
6. drive system as claimed in claim 1 or 2 (20), wherein, also comprises:
The second electric capacity (212), it is connected between the positive input terminal and negative input end of described inverter (204).
7. drive system as claimed in claim 1 or 2 (20), wherein, also comprises:
The 3rd electric capacity (214), it is connected between the positive output end and negative output terminal of described rectifier (206).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310042338.9A CN103963654A (en) | 2013-02-01 | 2013-02-01 | Drive systemfor hybridvehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310042338.9A CN103963654A (en) | 2013-02-01 | 2013-02-01 | Drive systemfor hybridvehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103963654A true CN103963654A (en) | 2014-08-06 |
Family
ID=51233835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310042338.9A Pending CN103963654A (en) | 2013-02-01 | 2013-02-01 | Drive systemfor hybridvehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103963654A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608717A (en) * | 2015-02-16 | 2015-05-13 | 中国北方车辆研究所 | Armored vehicle power supply system |
| CN107284253A (en) * | 2016-04-05 | 2017-10-24 | 光阳工业股份有限公司 | Vehicle serial mixed power device and its control method |
| CN109177748A (en) * | 2018-08-21 | 2019-01-11 | 中车大连机车车辆有限公司 | Hybrid vehicle transmission |
| CN110994725A (en) * | 2019-12-16 | 2020-04-10 | 深圳供电局有限公司 | AC/DC emergency power supply |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5568023A (en) * | 1994-05-18 | 1996-10-22 | Grayer; William | Electric power train control |
| CN101335466A (en) * | 2007-06-26 | 2008-12-31 | 住友重机械工程服务株式会社 | Hybrid power supply device |
| WO2011046147A1 (en) * | 2009-10-16 | 2011-04-21 | 三菱電機株式会社 | Power supply system for vehicle |
| CN201890228U (en) * | 2010-11-18 | 2011-07-06 | 南车资阳机车有限公司 | Diesel generator and storage battery hybrid power alternating-current drive locomotive control system |
| CN102837618A (en) * | 2011-06-24 | 2012-12-26 | 西门子公司 | Power of extended range electric vehicle and control system thereof |
-
2013
- 2013-02-01 CN CN201310042338.9A patent/CN103963654A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5568023A (en) * | 1994-05-18 | 1996-10-22 | Grayer; William | Electric power train control |
| CN101335466A (en) * | 2007-06-26 | 2008-12-31 | 住友重机械工程服务株式会社 | Hybrid power supply device |
| WO2011046147A1 (en) * | 2009-10-16 | 2011-04-21 | 三菱電機株式会社 | Power supply system for vehicle |
| CN201890228U (en) * | 2010-11-18 | 2011-07-06 | 南车资阳机车有限公司 | Diesel generator and storage battery hybrid power alternating-current drive locomotive control system |
| CN102837618A (en) * | 2011-06-24 | 2012-12-26 | 西门子公司 | Power of extended range electric vehicle and control system thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608717A (en) * | 2015-02-16 | 2015-05-13 | 中国北方车辆研究所 | Armored vehicle power supply system |
| CN107284253A (en) * | 2016-04-05 | 2017-10-24 | 光阳工业股份有限公司 | Vehicle serial mixed power device and its control method |
| CN109177748A (en) * | 2018-08-21 | 2019-01-11 | 中车大连机车车辆有限公司 | Hybrid vehicle transmission |
| CN110994725A (en) * | 2019-12-16 | 2020-04-10 | 深圳供电局有限公司 | AC/DC emergency power supply |
| CN110994725B (en) * | 2019-12-16 | 2022-02-08 | 深圳供电局有限公司 | AC/DC emergency power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102040632B1 (en) | Motor drive device | |
| JP6821294B2 (en) | Electric vehicle charging system | |
| EP2079161B1 (en) | Alternating current motor drive circuit and electric vehicle drive circuit | |
| US9616760B2 (en) | Inverter-charger integrated device for electric vehicle | |
| EP3641097A1 (en) | Electric vehicle charging system | |
| CN103872728A (en) | Multifunctional integral electric automobile vehicle-mounted charging machine | |
| EP2887491A1 (en) | Power conversion device for charging batteries | |
| CN203774850U (en) | Multifunctional integrated electric vehicle-mounted charger with mode switch function | |
| Sam et al. | Bidirectional integrated on-board chargers for electric vehicles—a review | |
| CN102470779B (en) | Electric vehicle control device | |
| Su et al. | A new integrated onboard charger and accessory power converter for plug-in electric vehicles | |
| Giri et al. | Comparison of non-isolated schemes for EV charging and their effect on power quality | |
| Na et al. | A review of on-board integrated charger for electric vehicles and a new solution | |
| Su et al. | An integrated onboard charger and accessory power converter using WBG devices | |
| CN103963654A (en) | Drive systemfor hybridvehicle | |
| CN203851059U (en) | Energy conversion circuit and system composed of same | |
| CN112224050B (en) | Energy conversion device, power system and vehicle | |
| Yang et al. | An integrated multifunctional battery charger with three-phase charging for plug-in electric vehicles | |
| Hou et al. | Integrated active power filter auxiliary power modules for electrified vehicle applications with single-phase on-board chargers | |
| Khan et al. | A Novel Buck-Boost Type DC-DC Converter Topology for Electric Vehicle Applications | |
| CN203840038U (en) | Multifunctional integrated vehicle charger based on full-controlled devices | |
| Su et al. | An integrated onboard charger and accessory power converter for plug-in electric vehicles | |
| Massot Campos et al. | Multilevel modular DC/DC converter for regenerative braking using supercapacitors | |
| CN102790532A (en) | Universal switch power supply | |
| KR102202495B1 (en) | Controller for charging battery in vehicle and operating method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140806 |