CN105270192A - Range extender for pure electric vehicle - Google Patents
Range extender for pure electric vehicle Download PDFInfo
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- CN105270192A CN105270192A CN201510680472.0A CN201510680472A CN105270192A CN 105270192 A CN105270192 A CN 105270192A CN 201510680472 A CN201510680472 A CN 201510680472A CN 105270192 A CN105270192 A CN 105270192A
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Abstract
The invention provides a range extender for a pure electric vehicle. The range extender for the pure electric vehicle comprises a permanent magnet generator (1) and a vehicle-mounted range extender (4), wherein the permanent magnet generator (1) is used for providing transmitted electric energy to a battery of the electric vehicle through the vehicle-mounted range extender (4); an output voltage of the vehicle-mounted range extender (4) can be kept consistent with detected busbar voltage so as to realize constant power output. The range extender for the pure electric vehicle, provided by the invention, is advantaged in that the battery can be charged during the operation of the electric vehicle and the cruising ability of the electric vehicle is effectively improved. When suffering high voltage feedback electromotive force during braking, the range extender can be adjusted to a voltage the same as the busbar voltage in time so as to ensure that the range extender is not separated from a power supply network; and moreover, the range extender can realize constant power output so as to effectively protect the generator.
Description
Technical field
The present invention relates to electric vehicle engineering field, particularly, relate to a kind of distance increasing unit for pure electric automobile.
Background technology
Electric automobile market is more and more burning hoter in recent years, but along with electronlmobil more and more universal, the deficiency of its flying power reveals day by day.Although domestic existing Vehicular charger, do not solve the problem of electronlmobil continuation of the journey, major cause is that car does not have power supply, can only charge after vehicle parking.
In addition, domestic more pure electric automobile has brake feedback power to supplement to battery, and feedback voltage is generally all higher, and Vehicular charger can depart from electric power system in this case, makes electronlmobil not realize supply regular power, brings danger to driving.Battery-driven car arranges distance increasing unit, effectively can solve the continuation of the journey problem of electronlmobil, realize electronlmobil and operationally charge, reach the object of continuation of the journey.But, how to improve the work efficiency of distance increasing unit as much as possible, reduce electrical generator oil consumption, ensure that distance increasing unit exports constant power and remains the problem needing to solve.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of distance increasing unit for pure electric automobile.
According to the distance increasing unit for pure electric automobile provided by the invention, comprise: mag-dynamo, vehicle-mounted distance increasing unit, the electric energy of transmission is supplied to the battery of battery-driven car by described mag-dynamo by described vehicle-mounted distance increasing unit, wherein, the output voltage of described vehicle-mounted distance increasing unit can be consistent with the busbar voltage detected, realizes constant power and exports.
Preferably, described vehicle-mounted distance increasing unit comprises: commercial power interface, mag-dynamo power supply interface and multiple signaling interface, wherein, described commercial power interface is connected to mains electricity input end, described mag-dynamo power supply interface is connected to mag-dynamo, and described multiple signaling interface is connected with engine controller, busbar, brake high voltage end and cab interface respectively; And described vehicle-mounted distance increasing unit can receive by entire car controller the detection signal that BMS battery management system detects, described detection signal comprises: the electricity of battery, voltage and current.
Preferably, entire car controller detects the electricity of battery in real time, when the dump energy of battery is less than setting value, described entire car controller sends the signal of unlatching mag-dynamo to operator's compartment, and mag-dynamo is opened according to the instruction of the chaufeur input received in cab interface;
When battery dump energy by be less than setting value reach setting value time, described entire car controller send close mag-dynamo signal to operator's compartment, cab interface is according to the instruction closedown mag-dynamo of the chaufeur input received.
Preferably, described vehicle-mounted distance increasing unit is provided with double power supply converting switch ATS, described double power supply converting switch ATS detects the alternating current whether described commercial power interface or mag-dynamo power supply interface have input;
When alternating current being detected from commercial power interface, the electricity of battery, voltage signal are transferred to vehicle-mounted distance increasing unit by entire car controller by BMS battery management system;
When the alternating current detected is from mag-dynamo power supply interface, vehicle-mounted distance increasing unit enters the soft start stage, the described soft start stage refers to that vehicle-mounted distance increasing unit progressively improves horsepower output according to the busbar voltage detected in real time until after arriving target power, keeps exporting constant target power.
Preferably, when vehicle-mounted distance increasing unit detects that brake high-pressure side place has high potential to input, the voltage of busbar raises, then vehicle-mounted distance increasing unit also improves output voltage, makes the voltage of described output consistent with the voltage of busbar;
When the signal of entire car controller transmission closedown mag-dynamo is to operator's compartment, input instruction by chaufeur and close mag-dynamo, described mag-dynamo enters time-delay closing state, vehicle-mounted distance increasing unit utilizes the delay time of mag-dynamo to enter the soft unloading stage after receiving and closing mag-dynamo instruction, and the described soft unloading stage refers to progressively reduces horsepower output until completion of discharge at vehicle-mounted distance increasing unit according to the busbar voltage detected in real time.
Preferably, multiple signaling interfaces of described vehicle-mounted distance increasing unit are provided with DC contactor, described commercial power interface and mag-dynamo power supply interface are provided with AC contactor, after vehicle-mounted distance increasing unit receives the emergent stop signal of mag-dynamo transmission, vehicle-mounted distance increasing unit disconnects described DC contactor and AC contactor immediately.
Preferably, described vehicle-mounted distance increasing unit is also provided with open-phase protection, high temperature protection, overvoltage protection, overcurrent protection, under-voltage protection, short-circuit protection, reverse connecting protection, ground protection, insulation protection circuit, lightning protection.
Preferably, when commercial power interface and mag-dynamo power supply interface equal input AC electricity, vehicle-mounted distance increasing unit preferentially adopts civil power to be battery charging; When commercial power charged, the voltage of battery remains on maximum voltage, and when electric current is reduced to a certain value of setting, thinks battery charging complete, and vehicle-mounted distance increasing unit enters shutdown programm.
Compared with prior art, the present invention has following beneficial effect:
1, the distance increasing unit for pure electric automobile provided by the invention, can realize when electronlmobil runs, to battery charging, effectively improving electronlmobil flying power.
2, the distance increasing unit for pure electric automobile provided by the invention, when running into brake and occurring high potential feedback electro-motive force, distance increasing unit can adjust to the voltage identical with busbar in time, ensures that distance increasing unit does not depart from supply network, supply regular power.
3, the distance increasing unit for pure electric automobile provided by the invention, can realize constant power and export, available protecting electrical generator.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the theory structure schematic diagram of the car load electric power system of the distance increasing unit for pure electric automobile provided by the invention;
In figure:
1-mag-dynamo;
2-commercial power interface;
3-mag-dynamo power supply interface;
The vehicle-mounted distance increasing unit of 4-;
5-pure electric automobile;
6-engine controller;
7-BMS battery management system;
8-battery;
9-actuator;
10-air-conditioning;
11-entire car controller;
12-busbar;
13-brakes high voltage end;
14-civil power;
15-cab interface;
16-double power supply converting switch ATS.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
Provided by the inventionly to comprise for pure electric automobile distance increasing unit: mag-dynamo 1, vehicle-mounted distance increasing unit 4.Mag-dynamo 1, as energy source, charges to endlessly Vehicular battery 8, to reach the object increasing journey by Vehicular charger.
Entire car controller 11 detects the electricity of battery 8 in real time, when the dump energy of battery 8 is less than 30%, entire car controller 11 can send signal prompt driver and open mag-dynamo 1, after vehicle-mounted distance increasing unit 4 detects the three plase alternating current provided by mag-dynamo 1, vehicle-mounted distance increasing unit 4 starts, start self-inspection, enter the soft start stage.Soft-start time is two minutes, and output voltage is according to the output voltage of the busbar 12 detected constantly, and power increase per second 250W, exports until change constant power after being increased to 30KW into.The constant power charge stage; namely the output voltage of vehicle-mounted distance increasing unit 4 also changes with the change of voltage of busbar 12; when there is the high potential that brake produces; vehicle-mounted distance increasing unit 4 can adjust output voltage in time; make output voltage keep consistent with the voltage of busbar 12, ensure that vehicle-mounted distance increasing unit does not depart from electrical network, electric current can drop to analog value simultaneously; to ensure constant power output, protection electrical generator.After brake high potential disappears; busbar voltage comes back to the voltage of battery 8; after vehicle-mounted distance increasing unit 4 detects up-to-date busbar voltage; timely adjustment voltage; to ensure that vehicle-mounted distance increasing unit 4 output voltage is consistent with the voltage of busbar 12 in real time; electric current can rise to analog value simultaneously, to ensure constant power output, and protection electrical generator.When the voltage electricity of battery 8 reaches 85%, entire car controller 11 signals to driver, and mag-dynamo 1 is closed in request, and now vehicle-mounted distance increasing unit 4 enters the soft unloading stage.In soft unloading process, the output voltage of vehicle-mounted distance increasing unit 4 is still identical with the busbar voltage detected constantly, and horsepower output minimizing per second 250W, the soft unloading time is 2 minutes.After completion of discharge, mag-dynamo 1 lock that breaks enters the cooling shut down stage.
Particularly, vehicle-mounted distance increasing unit 4 has two to exchange input, and one is the alternating current of mag-dynamo 1 inputted from mag-dynamo power supply port 3, and another is the civil power inputted from commercial power interface 2.When mag-dynamo 1 generates electricity and charges to battery 8, vehicle-mounted distance increasing unit 4 not with BMS battery management system 7 communication also not with entire car controller 11 communication, the electricity of battery 8 is sent to operator's compartment by entire car controller 11 and shows in real time and point out driver whether to open electrical generator, driver controls mag-dynamo 1 machine open/close, thus realizes the On/Off of vehicle-mounted distance increasing unit 4.When commercial power charged, vehicle-mounted distance increasing unit 4 is kept in communication with entire car controller 11, and output voltage is consistent with busbar voltage; after battery 8 is full of electricity; entire car controller 11 can send shutdown signal to vehicle-mounted distance increasing unit 4, shuts down after vehicle-mounted distance increasing unit 4 receives shutdown signal, stops charging.
Vehicle-mounted distance increasing unit 4 starts: first detect AC-input voltage, and after detecting that alternating-current voltage/AC voltage meets entry condition, vehicle-mounted distance increasing unit 4 enters self-inspection state, and self-inspection enters the soft start stage after passing through.
Vehicle-mounted distance increasing unit 4 is shut down: realize shutting down by the shutdown signal or civil power shutdown signal that receive electrical generator.Enter the soft unloading stage after vehicle-mounted distance increasing unit 4 receives shutdown signal, and the time delay that now mag-dynamo 1 enters 2 minutes is broken the lock stage.When mains-supplied is cut off the electricity supply, can directly skip soft unloading program, directly close vehicle-mounted distance increasing unit 4.
Vehicle-mounted distance increasing unit 4 is anxious to stop: when after the emergent stop signal receiving electrical generator, and vehicle-mounted distance increasing unit 4 enters and suddenly stops program, disconnects the DC contactor of mouth and the AC contactor of ac input end immediately.At this moment internal capacitance electric energy is consumed by internal resistance.
The circuit protection function that vehicle-mounted distance increasing unit 4 is arranged has: open-phase protection, high temperature protection, overvoltage protection, overcurrent protection, under-voltage protection, short-circuit protection, reverse connecting protection, ground protection, insulation protection, lightning protection.
Detect two of described vehicle-mounted distance increasing unit 4 by ATS and exchange input interfaces, when detect be powered by mag-dynamo 1 time, vehicle-mounted distance increasing unit 4 does not carry out communication with entire car controller 11; When mains-supplied being detected, vehicle-mounted distance increasing unit 4 realizes communication with entire car controller 11.When two alternating current input interfaces are powered simultaneously, with civil power preferential (generally there will not be the situation of powering) simultaneously.
Long-time charging or in the unmanned long-time charging of operator's compartment after vehicle pull-in, in this case, it is that battery 8 charges that acquiescence not to allow with mag-dynamo 1 as power supply, must with commercial power charged.Mag-dynamo 1 power supply is preparation of charging online during vehicle operating, because charge during vehicle operating, have the high potential that brake produces, if vehicle-mounted distance increasing unit 4 and battery 8 communication, then output voltage can export according to cell pressure, can not in real time and busbar voltage be consistent, this situation there will be vehicle-mounted distance increasing unit 4 and departs from electric power system, and mag-dynamo 1 also can be caused to occur uprushing the situation of anticlimax.
Particularly, described soft start/soft unloading is per second adds 250W load, and being to protect electrical generator, preventing/anticlimax of uprushing, level and smooth load/unload is more favourable to electrical generator.The Maximum Power Output of vehicle-mounted distance increasing unit 4 is 32KW, this is because join mag-dynamo 1 export maximum power be 35KW, vehicle-mounted distance increasing unit 4 constant power output is 30KW, and when vehicle-mounted distance increasing unit 4 horsepower output 30KW, the oil consumption of mag-dynamo 1 is minimum.
Vehicle-mounted distance increasing unit 4 realizes constant power output and refers to that horsepower output is constant in 30KW, adjust the output voltage of vehicle-mounted distance increasing unit 4 in real time, and outgoing current now also can change along with the change of voltage, but total power is 30KW by detecting busbar voltage in real time.
When electronlmobil runs, mag-dynamo 1 charges to battery 8 as power supply: entire car controller 11 detects battery electric quantity in real time by BMS battery management system 7 (BatteryManagementSystem battery management system).When battery 8 electricity lower than 30% time, entire car controller 11 can signal to the manipulation interface of operator's compartment, after driver receives the signal opening vehicle-mounted distance increasing unit 4, open mag-dynamo 1, after mag-dynamo 1 starting up, combined floodgate, provide power supply by mag-dynamo power supply interface 3 to vehicle-mounted distance increasing unit 4.Double power supply converting switch ATS (AutomaticTrainSupervision) 16 detects the power supply that mag-dynamo interface provides, and provides a signal to vehicle-mounted distance increasing unit 4 simultaneously.After vehicle-mounted distance increasing unit 4 receives the ac supply signal of mag-dynamo 1, start corresponding program, now, vehicle-mounted distance increasing unit 4 not with entire car controller 11 communication.Meanwhile, vehicle-mounted increasing journey 4 enters self-check program, main detects input voltage whether phase shortage, under-voltage, overvoltage, and vehicle-mounted distance increasing unit 4 mouth whether with battery reversal connection, whether inside exists short circuit, high temperature etc.The self-inspection time is generally 3 seconds, and after self-inspection, vehicle-mounted distance increasing unit 4 enters the soft start stage, and soft-start time is 2 minutes, and increase load 250W per second, maximum output power is 30KW.
In soft start-up process, the high potential produced as run into braking automobile, the output voltage of vehicle-mounted distance increasing unit 4 can be adjusted to identical voltage in time, to ensure that vehicle-mounted distance increasing unit 4 departs from power supply busbar 12.After soft start, vehicle-mounted distance increasing unit 4, with rating horsepower 30KW, keeps constant power to export.When the high potential produced due to brake makes busbar voltage raise, the output voltage of vehicle-mounted distance increasing unit 4 is corresponding is adjusted to busbar voltage, and outgoing current can reduce simultaneously, ensures that horsepower output is constant in 30KW.When after the high potential disappearance that brake produces, vehicle-mounted distance increasing unit 4 can readjust busbar voltage, and busbar voltage is now cell pressure, and horsepower output is still 30KW.When battery electric quantity reaches 85%, entire car controller 11 can send close vehicle-mounted distance increasing unit 4 signal to the manipulation interface of operator's compartment.Driver closes mag-dynamo 1 after receiving signal, and now, mag-dynamo 1 enters time delay and to break lockage sequence, and delay time is 2 minutes, gives the electric signal of vehicle-mounted distance increasing unit 4 one 12V simultaneously.After vehicle-mounted distance increasing unit 4 receives the signal of this 12V, enter soft unloading program, now still detect busbar voltage in real time, electric current progressively reduces, and makes unloading 250W per second.Vehicle-mounted distance increasing unit 4 completion of discharge after two minutes is also shut down, and mag-dynamo 1 breaks lock, enters cooling shut down.Wherein, the soft start of setting and soft unloading are all to protect generator set, the situation of anticlimax of avoiding occurring uprushing.
When after vehicle pull-in, charge the battery with civil power: when commercial power interface detects source of AC, to vehicle-mounted increasing journey 4 one electric signal, vehicle-mounted distance increasing unit 4 enters self-check program, vehicle-mounted distance increasing unit 4 carries out real-time communication with entire car controller 11 simultaneously, entire car controller and BMS battery management system 7 carry out real-time communication, ensure voltage, the electricity of battery, pass to vehicle-mounted distance increasing unit 4 in real time.After self-inspection completes, vehicle-mounted distance increasing unit 4 is according to the cell pressure of communication or detect busbar voltage, export identical voltage, after electric current rises to predetermined value (maximum power is no more than 32KW), described vehicle-mounted distance increasing unit 4 enters constant-current charge state, in process of charging, the voltage of battery 8 progressively can be elevated to the maximum voltage of setting.After this enter constant voltage charging phase, voltage remains on maximum voltage, and electric current can progressively reduce, when electric current be reduced to minimum value is set time, think that battery is full of.In this case vehicle-mounted distance increasing unit 4 can enter shutdown programm, prevents over-charging of battery, extends battery.Time commercial power charged, vehicle-mounted distance increasing unit 4 does not have soft start/soft unloading.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (8)
1. the distance increasing unit for pure electric automobile, it is characterized in that, comprise: mag-dynamo (1), vehicle-mounted distance increasing unit (4), the electric energy sent is supplied to the battery of battery-driven car by described mag-dynamo (1) by described vehicle-mounted distance increasing unit (4), wherein, the output voltage of described vehicle-mounted distance increasing unit (4) can be consistent with the busbar voltage detected, realizes constant power and exports.
2. the distance increasing unit for pure electric automobile according to claim 1, it is characterized in that, described vehicle-mounted distance increasing unit (4) comprising: commercial power interface (2), mag-dynamo power supply interface (3) and multiple signaling interface, wherein, described commercial power interface (2) is connected to mains electricity input end, described mag-dynamo power supply interface (3) is connected to mag-dynamo (1), and described multiple signaling interface is connected with engine controller (6), busbar (12), brake high voltage end (13) and cab interface (15) respectively; And described vehicle-mounted distance increasing unit (4) can pass through the detection signal that entire car controller (11) reception BMS battery management system (7) detects, described detection signal comprises: electricity, the voltage and current of battery (8).
3. the distance increasing unit for pure electric automobile according to claim 2, it is characterized in that, entire car controller (11) detects the electricity of battery (8) in real time, when the dump energy of battery (8) is less than setting value, described entire car controller (11) sends the signal of unlatching mag-dynamo to operator's compartment, and cab interface (15) open mag-dynamo (1) according to the instruction of the chaufeur input received;
When battery (8) dump energy by be less than setting value reach setting value time, described entire car controller (11) sends the signal of closedown mag-dynamo to operator's compartment, and cab interface (15) close mag-dynamo (1) according to the instruction of the chaufeur input received.
4. the distance increasing unit for pure electric automobile according to claim 3, it is characterized in that, described vehicle-mounted distance increasing unit (4) is provided with double power supply converting switch ATS (16), and described double power supply converting switch ATS (16) detects the alternating current whether described commercial power interface (2) or mag-dynamo power supply interface (3) have input;
When alternating current being detected from commercial power interface (2), the electricity of battery (8), voltage signal are transferred to vehicle-mounted distance increasing unit (4) by entire car controller (11) by BMS battery management system (7);
When the alternating current detected is from mag-dynamo power supply interface (3), vehicle-mounted distance increasing unit (4) enters the soft start stage, the described soft start stage refers to that vehicle-mounted distance increasing unit (4) progressively improves horsepower output until after arriving target power according to the busbar voltage detected in real time, keeps exporting constant target power.
5. the distance increasing unit for pure electric automobile according to claim 2, it is characterized in that, when vehicle-mounted distance increasing unit (4) detects that brake high-pressure side (13) place has high potential to input, the voltage of busbar (12) raises, then vehicle-mounted distance increasing unit (4) also improves output voltage, makes the voltage of described output consistent with the voltage of busbar (12);
When the signal of entire car controller (11) transmission closedown mag-dynamo is to operator's compartment, input instruction by chaufeur and close mag-dynamo (1), described mag-dynamo (1) enters time-delay closing state, vehicle-mounted distance increasing unit (4) utilizes the delay time of mag-dynamo (1) to enter the soft unloading stage after receiving and closing mag-dynamo instruction, and the described soft unloading stage refers to that the busbar voltage detected in real time in vehicle-mounted distance increasing unit (4) basis progressively reduces horsepower output until completion of discharge.
6. the distance increasing unit for pure electric automobile according to claim 1, it is characterized in that, multiple signaling interfaces of described vehicle-mounted distance increasing unit (4) are provided with DC contactor, described commercial power interface (2) and mag-dynamo power supply interface (3) are provided with AC contactor, after vehicle-mounted distance increasing unit (4) receives the emergent stop signal that mag-dynamo (1) sends, vehicle-mounted distance increasing unit (4) disconnects described DC contactor and AC contactor immediately.
7. the distance increasing unit for pure electric automobile according to claim 1; it is characterized in that; described vehicle-mounted distance increasing unit (4) is also provided with open-phase protection, high temperature protection, overvoltage protection, overcurrent protection, under-voltage protection, short-circuit protection, reverse connecting protection, ground protection, insulation protection circuit, lightning protection.
8. the distance increasing unit for pure electric automobile according to claim 2, it is characterized in that, when all input AC is electric for commercial power interface (2) and mag-dynamo power supply interface (3), vehicle-mounted distance increasing unit (4) preferentially adopts civil power to be battery (8) charging; When commercial power charged, the voltage of battery (8) remains on maximum voltage, and when electric current is reduced to a certain value of setting, thinks battery (8) charging complete, and vehicle-mounted distance increasing unit (4) enters shutdown programm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510680472.0A CN105270192B (en) | 2015-10-19 | 2015-10-19 | Distance increasing unit for pure electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510680472.0A CN105270192B (en) | 2015-10-19 | 2015-10-19 | Distance increasing unit for pure electric automobile |
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| CN105270192A true CN105270192A (en) | 2016-01-27 |
| CN105270192B CN105270192B (en) | 2018-09-14 |
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| CN201510680472.0A Active CN105270192B (en) | 2015-10-19 | 2015-10-19 | Distance increasing unit for pure electric automobile |
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| CN111969898A (en) * | 2020-07-13 | 2020-11-20 | 杭州赫日新能源科技有限公司 | New energy automobile permanent magnet synchronous motor controller and control method |
| CN114655147A (en) * | 2022-05-05 | 2022-06-24 | 浙江春风动力股份有限公司 | All-terrain vehicle |
| US11685323B2 (en) | 2021-08-31 | 2023-06-27 | Zhejiang CFMOTO Power Co., Ltd. | Off-road vehicle |
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| Publication number | Publication date |
|---|---|
| CN105270192B (en) | 2018-09-14 |
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