CN205440011U - A increase journey ware for pure electric vehicles - Google Patents
A increase journey ware for pure electric vehicles Download PDFInfo
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- CN205440011U CN205440011U CN201520812353.1U CN201520812353U CN205440011U CN 205440011 U CN205440011 U CN 205440011U CN 201520812353 U CN201520812353 U CN 201520812353U CN 205440011 U CN205440011 U CN 205440011U
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides an increase journey ware for pure electric vehicles, include: permanent magnet generator (1), on -vehicle increase journey ware (4), the electric energy that sends is passed through in permanent magnet generator (1) on -vehiclely increase the battery that journey ware (4) offered the electric motor car, wherein, the on -vehicle output voltage who increases journey ware (4) can keep the unanimity with the female voltage of arranging that detects, realizes invariable power output. The utility model provides an increase the journey ware, can realize charging to the battery when electric automobile moves, effectively improve electric automobile duration. When meetting the high voltage feedback electromotive force of brake appearance, the journey ware is increased and the same voltage with female row can be in time adjusted to, guarantee that it does not break away from the power supply network to increase the journey ware to invariable power output can be realized, the generator is effectively protected.
Description
Technical field
This utility model relates to electric vehicle engineering field, in particular it relates to a kind of distance increasing unit for pure electric automobile.
Background technology
Electric automobile market is increasingly burning hoter in recent years, but along with electric automobile is more and more universal, the deficiency of its flying power reveals day by day.Although domestic existing Vehicular charger, but do not solve the problem of electric automobile continuation of the journey, main cause is not have power supply on car, can only be charged after vehicle parking.
Additionally, domestic more pure electric automobile has brake feedback power to supplement to battery, feedback voltage is the highest, and Vehicular charger can depart from electric power system in this case so that electric automobile can not realize normal power supply, brings danger to driving.Electric motor car arranges distance increasing unit, it is possible to effectively solve the continuation of the journey problem of electric automobile, it is achieved electric automobile is operationally charged, reach the purpose of continuation of the journey.But, improve the work efficiency of distance increasing unit the most as much as possible, reduce electromotor oil consumption, it is ensured that distance increasing unit exports constant power and remains the problem needing to solve.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of distance increasing unit for pure electric automobile.
The distance increasing unit for pure electric automobile provided according to this utility model, including: magneto, vehicle-mounted distance increasing unit, the electric energy of transmission is supplied to the battery of electric motor car by described magneto by described vehicle-mounted distance increasing unit, wherein, the output voltage of described vehicle-mounted distance increasing unit can keep consistent with the busbar voltage detected, it is achieved firm power exports.
Preferably, described vehicle-mounted distance increasing unit includes: commercial power interface, magneto power supply interface and multiple signaling interface, wherein, described commercial power interface is connected to mains electricity input end, described magneto power supply interface is connected to magneto, and the plurality of 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 detect, described detection signal includes: 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 opening magneto and opens magneto to driver's cabin, cab interface according to the instruction of the driver's input received；
When the dump energy of battery is by when reaching setting value less than setting value, and described entire car controller sends the signal closing magneto and closes magneto to driver's cabin, cab interface according to the instruction of the driver's 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 and detects whether described commercial power interface or magneto power supply interface have the alternating current of input；
When alternating current being detected from commercial power interface, the electricity of battery, voltage signal are transmitted to vehicle-mounted distance increasing unit by BMS battery management system by entire car controller；
When the alternating current detected is from magneto power supply interface, vehicle-mounted distance increasing unit enters the soft start stage, after the described soft start stage refers to that vehicle-mounted distance increasing unit steps up output until arriving target power according to the busbar voltage detected in real time, keep the target power that output is constant.
Preferably, when vehicle-mounted distance increasing unit detects and has high voltage to input at brake high-pressure side, the voltage of busbar raises, and the most vehicle-mounted distance increasing unit also improves output voltage so that the voltage of described output is consistent with the voltage of busbar；
When entire car controller sends the signal closing magneto to driver's cabin, inputted instruction by driver and close magneto, described magneto enters time-delay closing state, vehicle-mounted distance increasing unit receives and utilizes the delay time of magneto to enter the soft unloading stage after closing magneto instruction, and the described soft unloading stage refers to gradually reduce 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 D.C. contactor, described commercial power interface and magneto power supply interface are provided with A.C. contactor, after vehicle-mounted distance increasing unit receives the emergent stop signal that magneto sends, vehicle-mounted distance increasing unit disconnects described D.C. contactor and A.C. contactor immediately.
Preferably, described vehicle-mounted distance increasing unit is additionally 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 magneto power supply interface equal input AC electricity, vehicle-mounted distance increasing unit preferentially uses civil power to be battery charging；When commercial power charged, the voltage of battery is maintained at ceiling voltage, and during a certain value of current reduction extremely setting, it is believed that battery charging complete, vehicle-mounted distance increasing unit enters shutdown programm.
Compared with prior art, this utility model has a following beneficial effect:
1, the distance increasing unit for pure electric automobile that this utility model provides, it is possible to realize when electric automobile runs battery is charged, be effectively improved electric automobile flying power.
2, the distance increasing unit for pure electric automobile that this utility model provides, when running into brake and high voltage feedback electromotive force occur, distance increasing unit can be adjusted to the voltage identical with busbar in time, it is ensured that distance increasing unit is without departing from power supply network, normal power supply.
3, the distance increasing unit for pure electric automobile that this utility model provides, it is possible to realize firm power output, effectively protect electromotor.
Accompanying drawing explanation
The detailed description with reference to the following drawings, non-limiting example made by reading, other features, objects and advantages of the present utility model will become more apparent upon:
The theory structure schematic diagram of the car load electric power system of the distance increasing unit for pure electric automobile that Fig. 1 provides for this utility model；
In figure:
1-magneto；
2-commercial power interface；
3-magneto 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-driver；
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, this utility model is described in detail.Following example will assist in those skilled in the art and are further appreciated by this utility model, but limit this utility model the most in any form.It should be pointed out that, to those skilled in the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement.These broadly fall into protection domain of the present utility model.
What this utility model provided includes for pure electric automobile distance increasing unit: magneto 1, vehicle-mounted distance increasing unit 4.Magneto 1, as energy source, charges to endlessly by Vehicular charger Vehicular battery 8, to reach to increase the purpose of journey.
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 magneto 1, after vehicle-mounted distance increasing unit 4 detects the three-phase alternating current provided by magneto 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, until changing firm power output into after increasing to 30KW.The constant power charge stage; the output voltage of the most vehicle-mounted distance increasing unit 4 also changes with the change in voltage of busbar 12; when the high voltage that brake produces occurs; vehicle-mounted distance increasing unit 4 can adjust output voltage in time; output voltage is made to keep consistent with the voltage of busbar 12, it is ensured that vehicle-mounted distance increasing unit is without departing from electrical network, and electric current can drop to analog value simultaneously; to ensure constant power output, protect electromotor.After brake high voltage disappears; busbar voltage comes back to the voltage of battery 8; after vehicle-mounted distance increasing unit 4 detects up-to-date busbar voltage; adjust voltage in time; the most consistent with the voltage of busbar 12 to ensure vehicle-mounted distance increasing unit 4 output voltage; electric current can rise to analog value simultaneously, to ensure constant power output, protects electromotor.When the voltage electricity of battery 8 reaches 85%, entire car controller 11 signals to driver, and magneto 1 is closed in request, and the most vehicle-mounted distance increasing unit 4 enters the soft unloading stage.During soft unloading, the output voltage of vehicle-mounted distance increasing unit 4 is still identical with the busbar voltage detected constantly, and output minimizing per second 250W, the soft unloading time is 2 minutes.After completion of discharge, magneto 1 breaks the lock entrance cooling shutdown stage.
Specifically, vehicle-mounted distance increasing unit 4 has two exchange inputs, and one is the alternating current of magneto 1 from magneto power supply port 3 input, and another is the civil power from commercial power interface 2 input.When magneto 1 generates electricity and charges to battery 8, vehicle-mounted distance increasing unit 4 not with BMS battery management system 7 communication the most not with entire car controller 11 communication, the electricity of battery 8 is sent to driver's cabin by entire car controller 11 and shows in real time and point out whether driver opens electromotor, driver controls magneto 1 machine open/close, thus realizes the unlatching/closedown 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 fully charged; entire car controller 11 can send stopping signal to vehicle-mounted distance increasing unit 4, and vehicle-mounted distance increasing unit 4 shuts down after receiving stopping signal, stops charging.
Vehicle-mounted distance increasing unit 4 starts: first detect AC-input voltage, and after detecting that alternating voltage meets entry condition, vehicle-mounted distance increasing unit 4 enters self-inspection state, and self-inspection is by the rear entrance soft start stage.
Vehicle-mounted distance increasing unit 4 is shut down: realize shutting down by the stopping signal or civil power stopping signal receiving electromotor.Vehicle-mounted distance increasing unit 4 receives the soft unloading stage that enters after stopping signal, and now magneto 1 enters the time delay of 2 minutes and breaks 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 jerk: when, after the emergent stop signal receiving electromotor, vehicle-mounted distance increasing unit 4 enters jerk program, disconnect the D.C. contactor of outfan and the A.C. 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 exchange input interfaces by ATS, when detect be to be powered by magneto 1 time, vehicle-mounted distance increasing unit 4 does not carries 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, preferential (typically not havinging situation about simultaneously powering) with civil power.
Long-time charging or in the unmanned long-time charging of driver's cabin after vehicle pull-in, in this case, it is that battery 8 charges that acquiescence does not allow with magneto 1 as power supply, it is necessary to commercial power charged.Magneto 1 power supply is charged when being to run for vehicle preparation online, because charging when vehicle runs, have the high voltage that brake produces, if vehicle-mounted distance increasing unit 4 and battery 8 communication, then output voltage can export according to cell voltage, can not keep consistent with busbar voltage in real time, this situation there will be vehicle-mounted distance increasing unit 4 and departs from electric power system, also results in magneto 1 and occurs uprushing the situation of anticlimax.
Specifically, described soft start/soft unloading is per second adds 250W load, is to protect electromotor, prevents/anticlimax of uprushing, and smooth load/unload is more favourable to electromotor.The Maximum Power Output of vehicle-mounted distance increasing unit 4 is 32KW, this is because the peak power of joined magneto 1 output is 35KW, vehicle-mounted distance increasing unit 4 constant power output is 30KW, and when vehicle-mounted distance increasing unit 4 output 30KW, the oil consumption of magneto 1 is minimum.
Vehicle-mounted distance increasing unit 4 realizes firm power output and refers to that output is constant at 30KW, is adjusted the output voltage of vehicle-mounted distance increasing unit 4 by detection busbar voltage in real time in real time, and output electric current now changes as well as the change of voltage, but total power is 30KW.
When electric automobile runs, magneto 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 the electricity of battery 8 is less than 30%, entire car controller 11 can signal to the manipulation interface of driver's cabin, after driver receives the signal opening vehicle-mounted distance increasing unit 4, open magneto 1, after magneto 1 starting up, combined floodgate, provide power supply by magneto power supply interface 3 to vehicle-mounted distance increasing unit 4.Double power supply converting switch ATS (AutomaticTrainSupervision) 16 detects the power supply that magneto 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 magneto 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, predominantly detects input voltage whether phase shortage, under-voltage, overvoltage, and vehicle-mounted distance increasing unit 4 outfan 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 per second increasing loads 250W, and peak power output is 30KW.
In soft start-up process, the high voltage 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 rated power 30KW, keeps firm power output.When the high voltage produced due to brake makes busbar voltage raise, the output voltage of vehicle-mounted distance increasing unit 4 is adjusted to busbar voltage accordingly, and output electric current can reduce simultaneously, it is ensured that output is constant at 30KW.When, after the high voltage disappearance that brake produces, vehicle-mounted distance increasing unit 4 can readjust busbar voltage, and busbar voltage now is cell voltage, and output is still 30KW.When battery electric quantity reaches 85%, entire car controller 11 can send closes the signal of vehicle-mounted distance increasing unit 4 to the manipulation interface of driver's cabin.Driver receives and closes magneto 1 after signal, and now, magneto 1 enters time delay and breaks lockage sequence, and delay time is 2 minutes, gives the signal of telecommunication of vehicle-mounted 4 one 12V of distance increasing unit simultaneously.After vehicle-mounted distance increasing unit 4 receives the signal of this 12V, entering soft unloading program, the most in real time detection busbar voltage, electric current gradually reduces, and makes unloading 250W per second.Vehicle-mounted distance increasing unit 4 completion of discharge shutting down after two minutes, magneto 1 breaks lock, enters cooling and shuts down.Wherein, the soft start of setting and soft unloading are provided to protect generating set, it is to avoid the situation of the anticlimax that occurs uprushing.
When after vehicle pull-in, charge the battery with civil power: when commercial power interface detects alternating current power supply, to 4 one signals of telecommunication of vehicle-mounted increasing journey, vehicle-mounted distance increasing unit 4 enters self-check program, the most vehicle-mounted distance increasing unit 4 carries out real-time communication with entire car controller 11, entire car controller and BMS battery management system 7 carry out real-time communication, it is ensured that the voltage of battery, electricity, 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 voltage of communication or detection busbar voltage, export identical voltage, after electric current rises to predetermined value (peak power is less than 32KW), described vehicle-mounted distance increasing unit 4 enters constant-current charge state, in charging process, the voltage of battery 8 can be stepped up to the maximum voltage set.Then into constant voltage charging phase, voltage is maintained at ceiling voltage, and electric current can gradually reduce, when current reduction is to when arranging minima, it is believed that battery has been filled with.The most 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 has soft start/soft unloading.
Above specific embodiment of the utility model is described.It is to be appreciated that this utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, and this has no effect on flesh and blood of the present utility model.
Claims (8)
1. the distance increasing unit for pure electric automobile, it is characterized in that, including: magneto (1), vehicle-mounted distance increasing unit (4), the electric energy sent is supplied to the battery of electric motor car by described magneto (1) by described vehicle-mounted distance increasing unit (4), wherein, the output voltage of described vehicle-mounted distance increasing unit (4) can keep consistent with the busbar voltage detected, it is achieved firm power exports；Described vehicle-mounted distance increasing unit (4) including: commercial power interface (2), magneto power supply interface (3) and multiple signaling interface, wherein, described commercial power interface (2) is connected to mains electricity input end, described magneto power supply interface (3) is connected to magneto (1), and the plurality of signaling interface is connected with engine controller (6), busbar (12), brake high voltage end (13) and cab interface (15) respectively.
Distance increasing unit for pure electric automobile the most according to claim 1, it is characterized in that, described vehicle-mounted distance increasing unit (4) can be passed through entire car controller (11) and be received the detection signal that BMS battery management system (7) detects, described detection signal includes: the electricity of battery (8), voltage and current.
Distance increasing unit for pure electric automobile the most 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 opening magneto and opens magneto (1) to driver's cabin, cab interface (15) according to the instruction of the driver's input received；
When the dump energy of battery (8) is by when reaching setting value less than setting value, described entire car controller (11) sends the signal closing magneto and closes magneto (1) to driver's cabin, cab interface (15) according to the instruction of the driver's input received.
Distance increasing unit for pure electric automobile the most according to claim 3, it is characterized in that, being provided with double power supply converting switch ATS (16) on described vehicle-mounted distance increasing unit (4), described double power supply converting switch ATS (16) detects described commercial power interface (2) or whether magneto power supply interface (3) has the alternating current of input；
When alternating current being detected from commercial power interface (2), the electricity of battery (8), voltage signal are transmitted to vehicle-mounted distance increasing unit (4) by BMS battery management system (7) by entire car controller (11)；
When the alternating current detected is from magneto power supply interface (3), vehicle-mounted distance increasing unit (4) enters the soft start stage, after the described soft start stage refers to that vehicle-mounted distance increasing unit (4) steps up output until arriving target power according to the busbar voltage detected in real time, keep the target power that output is constant.
Distance increasing unit for pure electric automobile the most 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 voltage to input, the voltage of busbar (12) raises, the most vehicle-mounted distance increasing unit (4) also improves output voltage so that described output voltage is consistent with the voltage of busbar (12)；
When entire car controller (11) sends the signal closing magneto to driver's cabin, inputted instruction by driver and close magneto (1), described magneto (1) enters time-delay closing state, vehicle-mounted distance increasing unit (4) receives and utilizes the delay time of magneto (1) to enter the soft unloading stage after closing magneto instruction, and the described soft unloading stage refers to gradually reduce output until completion of discharge at vehicle-mounted distance increasing unit (4) according to the busbar voltage detected in real time.
Distance increasing unit for pure electric automobile the most according to claim 1, it is characterized in that, multiple signaling interfaces of described vehicle-mounted distance increasing unit (4) are provided with D.C. contactor, described commercial power interface (2) and magneto power supply interface (3) are provided with A.C. contactor, after vehicle-mounted distance increasing unit (4) receives the emergent stop signal that magneto (1) sends, vehicle-mounted distance increasing unit (4) disconnects described D.C. contactor and A.C. contactor immediately.
Distance increasing unit for pure electric automobile the most according to claim 1; it is characterized in that; described vehicle-mounted distance increasing unit (4) is additionally 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.
Distance increasing unit for pure electric automobile the most according to claim 2, it is characterized in that, when commercial power interface (2) and magneto power supply interface (3) all input AC electricity, vehicle-mounted distance increasing unit (4) preferentially uses civil power to be battery (8) charging；When commercial power charged, the voltage of battery (8) is maintained at ceiling voltage, and during a certain value of current reduction extremely setting, it is believed that battery (8) charging complete, vehicle-mounted distance increasing unit (4) enters shutdown programm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520812353.1U CN205440011U (en) | 2015-10-19 | 2015-10-19 | A increase journey ware for pure electric vehicles |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520812353.1U CN205440011U (en) | 2015-10-19 | 2015-10-19 | A increase journey ware for pure electric vehicles |
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| CN205440011U true CN205440011U (en) | 2016-08-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270192A (en) * | 2015-10-19 | 2016-01-27 | 上海金鹏科技有限公司 | Range extender for pure electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270192A (en) * | 2015-10-19 | 2016-01-27 | 上海金鹏科技有限公司 | Range extender for pure electric vehicle |
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