CN101704344A - Control system for mileage adder of pure electric automobile and control method thereof - Google Patents
Control system for mileage adder of pure electric automobile and control method thereof Download PDFInfo
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- CN101704344A CN101704344A CN200910185709A CN200910185709A CN101704344A CN 101704344 A CN101704344 A CN 101704344A CN 200910185709 A CN200910185709 A CN 200910185709A CN 200910185709 A CN200910185709 A CN 200910185709A CN 101704344 A CN101704344 A CN 101704344A
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- 238000000034 method Methods 0.000 title claims abstract description 13
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- 238000010248 power generation Methods 0.000 abstract 1
- 238000007600 charging Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- 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
Abstract
The invention relates to a control system for a mileage adder of a pure electric automobile, which comprises the mileage adder, wherein the output end of the mileage adder is connected with the incoming line end of a high-voltage battery pack, the outgoing line end of the high-voltage battery pack is connected with a drive motor via an inverter, the drive motor drives the whole automobile to travel through a gearbox, and the mileage adder is respectively connected with three option switches which includes the options of manual startup/manual shutdown/automation. The invention further discloses a control method of the control system for the mileage adder of the pure electric automobile. In the invention, the electric quantity of the high-voltage battery pack can be automatically monitored in real time and that when the high-voltage battery pack needs to be charged and when the high-voltage battery pack is in a shutdown state can be judged. In a word, the invention achieves the power generation function of the mileage adder for the whole automobile, lengthens the duration mileage of the automobile, prolongs the service life of the high-voltage battery pack and has simple structure and convenient use.
Description
Technical field
The present invention relates to the electronlmobil field, especially a kind of mileage adder of pure electric automobile control system and control method thereof.
Background technology
The energy and environment are the necessary conditions that realizes sustainable development, reducing with the dependence of eliminating oil is the urgent task of relevant global economy safety and energy security, and the automobile of research energy-saving and environmental protection is one of effective means of alleviating energy pressure, reduction environmental pollution.Problems such as traditional electric automobile is owing to reasons such as specific energy and specific power are little, and mileage is short when having caused traditional electric automobile continuous, charging duration is long, battery life is short.Traditional plug-in hybrid control system of electric automobile complexity, technical risk is bigger.
Summary of the invention
Primary and foremost purpose of the present invention be to provide a kind of simple in structure, can realize automatic charging, the mileage adder of pure electric automobile control system of mileage when prolonging battery continuous.
For achieving the above object; the present invention has adopted following technical scheme: a kind of mileage adder of pure electric automobile control system; comprise mileage adder; the mouth of mileage adder is connected with the end of incoming cables of high-tension battery group; the leading-out terminal of high-tension battery group links to each other with drive motor by inverter; drive motor drives the car load operation by change speed gear box, and mileage adder is connected with hand starting/manual shut-down/automatic three select switches respectively.
Another object of the present invention is to provide a kind of control method of mileage adder of pure electric automobile control system, this method comprises the step of following order:
(1) when chaufeur is pressed manual starting switch, the mileage adder starting is charged to the high-tension battery group; When chaufeur was pressed the manual shut-down switch, mileage adder stopped the high-tension battery group is charged;
(2) when chaufeur is pressed automatic switch, mileage adder is monitored the electric weight of high-tension battery group, and when the electric weight of high-tension battery group was lower than 30%, the mileage adder starting was charged to the high-tension battery group; When the electric weight of high-tension battery group was higher than 55%, mileage adder stopped the high-tension battery group is charged.
The present invention is by arranging hand starting/manual shut-down/automatic three select switches on console; this select switch is corresponding respectively three kinds of mode of operations of mileage adder; wherein; manual starting switch and manual shut-down switch belong to artificial control mileage adder car load are generated electricity; and when chaufeur is pressed automatic switch; the present invention can monitor the electric weight of high-tension battery group automatically in real time, and judges and when the high-tension battery group is charged, when be in stopped status.In a word, the present invention has realized the electricity generate function of mileage adder to car load, has prolonged the continuation of the journey mileage of vehicle, has increased the life-span of high-tension battery group, and is simple in structure, easy to use.
Description of drawings
Fig. 1 is a system construction drawing of the present invention;
Fig. 2 is the state of a control scheme drawing of mileage adder among the present invention;
Fig. 3,4 is respectively the decision flow chart of mileage adder starting, shutdown among the present invention;
The specific embodiment
A kind of mileage adder of pure electric automobile control system; comprise mileage adder 10; the mouth of mileage adder 10 is connected with the end of incoming cables of high-tension battery group 20; the leading-out terminal of high-tension battery group 20 links to each other with drive motor 40 by inverter 30; drive motor 40 drives the car load operation by change speed gear box; mileage adder 10 is connected with hand starting/manual shut-down/automatic three select switches respectively, as shown in Figure 1.
In conjunction with Fig. 1,2; described mileage adder 10 comprises driving engine 11; driving engine 11 and 12 integrated connections of starting/electrical generator; starting/electrical generator 12 is connected with mileage adder control unit GPU 14 by frequency converter 13; the start-stop control circuit 14b that also is provided with the observation circuit 14a of the electric weight that is used to monitor high-tension battery group 20 in the described mileage adder control unit GPU 14 and is used to control mileage adder 10 startings and stops, start-stop control circuit 14b respectively be arranged on console on hand starting/manual shut-down/automatic three select switches be connected.Driving engine 11 adopts integrated design with starting/electrical generator 12, reduced the volume of mileage adder 10, being easy to the driving engine front deck arranges, and starting/electrical generator 12 is integrated in one start-up function and electricity generate function, and starting/electrical generator 12 changes into direct current of voltage regulation with the alternating current of sending out by frequency converter 13 and is stored in the high-tension battery group 20.The electric weight of 14 pairs of high-tension battery groups 20 of mileage adder control unit GPU is monitored, and the starting and the generating of mileage adder 10 are controlled, and mileage adder 10 is carried out malfunction monitoring, and carries out communication with car load, has improved the car load safety.
In conjunction with Fig. 1,2, the input end of the output termination DC-DC conv 50 of described high-tension battery group 20, the mouth of DC-DC conv 50 is connected with the car load load by low tension battery 60, low tension battery 60 is to the car load electric, described mileage adder control unit GPU 14 and electric machine controller MCU communication, 40 actions of electric machine controller MCU controlling and driving motor, the torque of drive motor 40 passes to drive wheel by change speed gear box, drives the car load operation.
Below in conjunction with Fig. 1,2,3,4 the present invention is further illustrated.
Arrange hand hand starting/manual shut-down/automatic three select switches on console, when chaufeur was pressed manual starting switch, mileage adder 10 startings were to 20 chargings of high-tension battery group; When chaufeur was pressed the manual shut-down switch, mileage adder 10 stopped 20 chargings of high-tension battery group; When chaufeur is pressed automatic switch, the electric weight of 10 pairs of high-tension battery groups 20 of mileage adder is monitored, when the electric weight of high-tension battery group 20 is lower than 30%, mileage adder 10 startings, to 20 chargings of high-tension battery group, when the electric weight of high-tension battery group 20 is higher than 55%, mileage adder 10 stops 20 chargings of high-tension battery group, this control method can reduce the consumption to oil, make the main consumes power of car load, in addition, high-tension battery group 20 can also connect external source, encourages car load to stay at home or other charging places chargings.
As shown in Figure 3, when judging whether to start mileage adder 10, judge at first whether driving engine 11 is in operative condition, if judged result for being, is not then sent start request, otherwise, continue to have judged whether that the hand starting request sends,, then send the request of fire an engine 11 if having, if do not have, then continue to judge whether the electric weight of high-tension battery group 20 is lower than 30%,, then send the request of fire an engine 11 if be lower than 30%, otherwise, do not send start request.
As shown in Figure 4, when judging whether to stop mileage adder 10, judge at first whether driving engine 11 is in operative condition; if judged result is not then sent the request of shutdown for not, otherwise; continue to have judged whether that the manual shut-down request sends,, then send the request that driving engine 11 is shut down if having; if do not have; then continue to judge whether the electric weight of high-tension battery group 20 is higher than 55%,, then send the request that driving engine 11 is shut down if be higher than 55%; otherwise, do not send the request of shutdown.
No matter be hand starting or starting automatically; after as long as mileage adder control unit GPU 14 sends cranking signal; when the rotating speed of driving engine 11 reaches 700rpm or cranking time surpasses 2s; stop to send cranking signal,, will start once more behind the 2s at interval because if start request is still arranged this moment; but number of starts is no more than 5 times; work as after driving engine 11 starts successfully with protection starting/electrical generator 12., smooth operation 2s, starting/electrical generator 12 enters generating state.
After chaufeur is pressed automatic switch, mileage adder 10 enters automatic mode, if the electric weight that mileage adder control unit GPU 14 monitors high-tension battery group 20 is lower than at 15% o'clock, mileage adder control unit GPU 14 sends an electrical signal to drive motor 40, and drive motor 40 quits work after receiving this electric signal.When mileage adder control unit GPU 14 monitors mileage adder 10 when breaking down, enter failure mode, and according to fault level, decision mileage adder 10 depowerings output or quit work; After mileage adder control unit GPU 14 monitors the elimination of mileage adder 10 faults, will after resetting, key return normal working.
The effect of frequency converter 13 is that three AC rectification starting/electrical generator 12 will being sent become two direct current (DC), simultaneously can be with output voltage stabilization in high-tension battery group 20 required voltage grades.Simultaneously, the function of also guaranteed loaded starting of frequency converter 13 and overload protection.Because high-tension battery group 20 directly links to each other with mileage adder 10, so need stop power output during starting, after driving engine 11 starting successes and moving 2s, ability is to dc bus horsepower output gradually, to avoid the impact to bus.Because the horsepower output of mileage adder 10 is according to loading demand and automatically regulating; when so lower or drive motor 40 request power are big when the voltage of high-tension battery group 20; mileage adder 10 will be exported big electric current; at this moment; frequency converter 13 has overload protection function; reduce voltage and export, guarantee mileage adder 10 nonoverloads with constant power.
In sum; core of the present invention is by arrange hand starting/manual shut-down/automatic three select switches on console; wherein; manual starting switch and manual shut-down switch belong to 10 pairs of car load generatings of artificial control mileage adder; and when chaufeur is pressed automatic switch; the present invention can monitor the electric weight of high-tension battery group 20 automatically in real time, and judges and when high-tension battery group 20 is charged, when be in stopped status.In a word, the present invention has realized the electricity generate function of 10 pairs of car loads of mileage adder, has prolonged the continuation of the journey mileage of vehicle, has increased the life-span of high-tension battery group 20, and is simple in structure, easy to use.
Claims (8)
1. mileage adder of pure electric automobile control system; it is characterized in that: comprise mileage adder; the mouth of mileage adder is connected with the end of incoming cables of high-tension battery group; the leading-out terminal of high-tension battery group links to each other with drive motor by inverter; drive motor drives the car load operation by change speed gear box, and mileage adder is connected with hand starting/manual shut-down/automatic three select switches respectively.
2. mileage adder of pure electric automobile control system according to claim 1; it is characterized in that: described mileage adder comprises driving engine; driving engine is connected with starting/electrical generator is integrated; starting/electrical generator is connected with mileage adder control unit GPU by frequency converter; the start-stop control circuit that also is provided with the observation circuit that is used to monitor battery electric quantity in the described mileage adder control unit GPU and is used to control the mileage adder starting and stops, start-stop control circuit respectively be arranged on console on hand starting/manual shut-down/automatic three select switches be connected.
3. mileage adder of pure electric automobile control system according to claim 1, it is characterized in that: the input end of the output termination DC-DC conv of described high-tension battery group, the mouth of DC-DC conv is connected with the car load load by low tension battery, low tension battery is to the car load electric, described mileage adder control unit GPU and electric machine controller MCU communication, electric machine controller MCU controlling and driving motor action.
4. the control method of mileage adder of pure electric automobile control system according to claim 1, this method comprises the step of following order:
(1) when chaufeur is pressed manual starting switch, the mileage adder starting is charged to the high-tension battery group; When chaufeur was pressed the manual shut-down switch, mileage adder stopped the high-tension battery group is charged;
(2) when chaufeur is pressed automatic switch, mileage adder is monitored the electric weight of high-tension battery group, and when the electric weight of high-tension battery group was lower than 30%, the mileage adder starting was charged to the high-tension battery group; When the electric weight of high-tension battery group was higher than 55%, mileage adder stopped the high-tension battery group is charged.
5. the control method of mileage adder of pure electric automobile control system according to claim 4, it is characterized in that: after chaufeur is pressed automatic switch, mileage adder enters automatic mode, if monitoring the electric weight of high-tension battery group, mileage adder control unit GPU is lower than at 15% o'clock, mileage adder control unit GPU sends an electrical signal to drive motor, and drive motor quits work after receiving this electric signal.
6. the control method of mileage adder of pure electric automobile control system according to claim 4 is characterized in that: judge whether driving engine is in operative condition, if judged result is for being, then do not send start request, otherwise, continue to have judged whether that the hand starting request sends, if have, then send the request of fire an engine,, then continue to judge whether the electric weight of high-tension battery group is lower than 30% if do not have, if be lower than 30%, then send the request of fire an engine, otherwise, start request do not sent.
7. the control method of mileage adder of pure electric automobile control system according to claim 4 is characterized in that: judge whether driving engine is in operative condition, if judged result is for denying; then do not send the request of shutting down, otherwise, continue to have judged whether that the manual shut-down request sends; if have; then send the request of engine shutdown,, then continue to judge whether the electric weight of high-tension battery group is higher than 55% if do not have; if be higher than 55%; then send the request of engine shutdown, otherwise, the request of shutdown do not sent.
8. the control method of mileage adder of pure electric automobile control system according to claim 4, it is characterized in that: when mileage adder control unit GPU monitors mileage adder when breaking down, to enter failure mode, and according to fault level, decision mileage adder depowering is exported or is quit work; After mileage adder control unit GPU monitors the elimination of mileage adder fault, will after resetting, key return normal working.
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Cited By (12)
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CN102358285A (en) * | 2011-08-19 | 2012-02-22 | 北京汽车新能源汽车有限公司 | Range-extending electric vehicle control system and method |
CN102664582A (en) * | 2011-11-16 | 2012-09-12 | 奇瑞汽车股份有限公司 | Power generation control method of range-extended electric vehicle |
CN102745086A (en) * | 2012-07-25 | 2012-10-24 | 江苏万得电动车研究所有限公司 | Low-voltage control system for electric automobile |
CN102837618A (en) * | 2011-06-24 | 2012-12-26 | 西门子公司 | Power of extended range electric vehicle and control system thereof |
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CN105015357A (en) * | 2014-04-30 | 2015-11-04 | 深圳市劲百倍动力科技有限公司 | Electric power system for electric vehicle and charging method thereof |
CN106541830A (en) * | 2015-09-21 | 2017-03-29 | 比亚迪股份有限公司 | The steering control system and method for electric automobile |
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Cited By (22)
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CN102837618A (en) * | 2011-06-24 | 2012-12-26 | 西门子公司 | Power of extended range electric vehicle and control system thereof |
CN102837618B (en) * | 2011-06-24 | 2016-04-27 | 西门子公司 | The power control system of extended-range electric vehicle |
CN102358285A (en) * | 2011-08-19 | 2012-02-22 | 北京汽车新能源汽车有限公司 | Range-extending electric vehicle control system and method |
CN102358285B (en) * | 2011-08-19 | 2014-01-01 | 北京汽车新能源汽车有限公司 | Range-extending electric vehicle control system and method |
CN102664582B (en) * | 2011-11-16 | 2014-12-10 | 奇瑞汽车股份有限公司 | Power generation control method of range-extended electric vehicle |
CN102664582A (en) * | 2011-11-16 | 2012-09-12 | 奇瑞汽车股份有限公司 | Power generation control method of range-extended electric vehicle |
CN102745086B (en) * | 2012-07-25 | 2015-06-17 | 江苏万得电动车研究所有限公司 | Low-voltage control system for electric automobile |
CN102745086A (en) * | 2012-07-25 | 2012-10-24 | 江苏万得电动车研究所有限公司 | Low-voltage control system for electric automobile |
CN104619547A (en) * | 2012-09-10 | 2015-05-13 | 布鲁技术公司 | Method and device for managing electrical energy storage assemblies for electrical power supply of an electric motor vehicle |
CN104619547B (en) * | 2012-09-10 | 2017-08-22 | 布鲁技术公司 | Electrical power for electric vehicle supplies method and apparatus for managing storage pack |
CN102969918A (en) * | 2012-11-06 | 2013-03-13 | 联合汽车电子有限公司 | Three-phase bridge-type inverter system and urgency lower short-circuit protective circuit |
CN102969918B (en) * | 2012-11-06 | 2016-03-02 | 联合汽车电子有限公司 | Three-phase bridge type converter system and promptly descend short-circuit protection circuit |
CN103887847A (en) * | 2012-12-21 | 2014-06-25 | 法雷奥电机设备公司 | On-board system for increasing the range of an electric vehicle |
CN104870242A (en) * | 2013-01-15 | 2015-08-26 | 易跑北欧公司 | Battery charging system for electric vehicle |
CN104870242B (en) * | 2013-01-15 | 2017-03-29 | 易跑北欧公司 | For the batter-charghing system of electric vehicle |
CN105015357A (en) * | 2014-04-30 | 2015-11-04 | 深圳市劲百倍动力科技有限公司 | Electric power system for electric vehicle and charging method thereof |
CN106541830A (en) * | 2015-09-21 | 2017-03-29 | 比亚迪股份有限公司 | The steering control system and method for electric automobile |
CN106541830B (en) * | 2015-09-21 | 2019-03-29 | 比亚迪股份有限公司 | The steering control system and method for electric car |
CN111577502A (en) * | 2020-04-13 | 2020-08-25 | 吉利汽车研究院(宁波)有限公司 | Hybrid electric vehicle starting device, control method and vehicle |
CN111577502B (en) * | 2020-04-13 | 2022-10-11 | 吉利汽车研究院(宁波)有限公司 | Control method of hybrid electric vehicle starting device |
CN112248825A (en) * | 2020-11-11 | 2021-01-22 | 徐州徐工矿业机械有限公司 | Electric drive mining dump truck pre-torque control system and control method |
CN112248825B (en) * | 2020-11-11 | 2024-03-26 | 徐州徐工矿业机械有限公司 | Pre-torque control system and control method for electric transmission mining dump truck |
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Application publication date: 20100512 |