CN204271726U - Electric motor car recover kinetic energy controller - Google Patents
Electric motor car recover kinetic energy controller Download PDFInfo
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- CN204271726U CN204271726U CN201420803657.7U CN201420803657U CN204271726U CN 204271726 U CN204271726 U CN 204271726U CN 201420803657 U CN201420803657 U CN 201420803657U CN 204271726 U CN204271726 U CN 204271726U
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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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
Abstract
A kind of electric motor car recover kinetic energy controller, belong to electric vehicle energy recovery technology field, this controller is connected in parallel on motor stator three output lines together with electric machine controller.Start stop switch is arranged on electric motor car speed-regulating part.During coast, vehicle energy is converted into threephase AC electric energy through motor.This controller can automatically select to reclaim the speed of a motor vehicle close to and exceed city rolling average speed per hour slide kinetic energy, first series capacitance, remake three-phase bridge rectification and DC bridge series boosting, finally feed back to battery storage.Feature comprises 1) control switch power acquisition kinetic energy self electricity, 2) adopt three-phase bridge rectification and the design kinetic energy rectification of DC bridge series circuit and kinetic energy to boost, 3) adopt capacitor design recover kinetic energy dynamics.This Controller gain variations is simplified, and appears on the market with flush bonding module, for electric motor car provides high speed " band gear slides " energy-saving safe pattern, can improve electric motor car coefficient of safety and handling, and can improve electric motor car course continuation mileage about 20%.
Description
Technical field
The utility model relates to vehicle kinetic energy recovery device when a kind of electric vehicle inertial slides, particularly a kind of electric motor car recover kinetic energy controller that can solve kinetic energy boosting, kinetic energy rectification, recover kinetic energy dynamics and automatically control the recovery of electing property of kinetic energy.
Background technology
New energy electric motor vehicle is subject to extensive concern because of advantages such as use cost is low, environmental protections.Because course continuation mileage is short, use and be inconvenient to become maximum bottleneck.Be difficult to the condition of going beyond at battery technology under, excavating other modes increases course continuation mileage and becomes the task of top priority.
At present, domestic low and middle-end electric motor car, particularly electric bicycle, vehicle sliding recover kinetic energy seems not yet to cause the great attention of manufacturer, is almost in the market vacancy.Present stage, most of electric motor car manufacturer was for cost consideration, and using recover kinetic energy only as the byproduct of electric brake design, recover kinetic energy efficiency is low.
We think, vehicle inertia slides the regenerated energy that kinetic energy is a kind of preciousness, inherently contribute to vehicle and continue, can not do meaningless recovery, be necessary that electing property is recycled although vehicle inertia slides kinetic energy.
Present electric motor car generally adopts brushless electric machine and Hall electronic stepless speed regulation control system, when vehicle inertia slides, only has " neutral gear slides ", does not possess band gear function.There is potential safety hazard in " neutral gear slides ", so motor vehicle driving security regulations " forbid neutral gear to slide ".Compared with orthodox car/motorcycle, the shortcoming of electric motor car does not have engine and the deceleration of reduction box " band gear slides " band gear to pin down grabability better to control sliding speed, only has by frequent apply the brakes to control sliding speed." neutral gear slides " particularly neutral gear brake can make the lateral stability of vehicle be deteriorated, the easily out of control and left and right cunning partially of vehicle, and " neutral gear slides " frequent apply the brakes also reduces the use effect of kinetic energy energy simultaneously.We think, design recovery vehicle speed per hour is close and exceed the neutral gear coast kinetic energy that scheme average speed per hour is moved in city, be meet expection to slow down high speed coast kinetic energy, electric vehicle inertial can not only be improved and slide coefficient of safety and handling, and the energy that can improve electric motor car uses effect, thus electric motor car course continuation mileage can be significantly improved.Recover kinetic energy dynamics can be designed to electric motor car high speed " band gear slides " energy-saving safe pattern.Slide the low speed neutral gear of electric motor car safety, we think and there is no need to make recover kinetic energy, because may lose more than gain.The low speed neutral gear retaining vehicle safety slides, and continues advantageously to vehicle.
Electric motor car recover kinetic energy must solve kinetic energy boosting problem, because the kinetic energy alternating voltage that vehicle energy transforms through motor, usually significantly lower than the specified charging direct voltage of battery, directly can not feed back to battery.According to disclosed partial monopoly file analysis, in order to tackle kinetic energy boosting, some employing step-up transformers, some employing super capacitors, some employing DC/DC switching boost converter etc.The shortcoming of these schemes or product from great, volume large, or power consumption is high, cost is high, or design is complicated, is not easy to apply.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of electric motor car recover kinetic energy controller, for electric motor car provides a kind of " band gear slides " energy-saving safe pattern, improve electric vehicle inertial and slide coefficient of safety and handling, and provide the solution of increase by 20% course continuation mileage for electric motor car.
The utility model provides a kind of electric motor car recover kinetic energy controller, comprise control switch circuit, start stop switch, condenser network, three-phase bridge rectifier circuit and DC bridge series boosting circuit, this recover kinetic energy controller is connected in parallel on three output lines of motor stator together with electric machine controller, A, B, C three-phase alternating current kinetic energy electricity that three output line output vehicle inertias transform through motor when sliding, be connected in series an electric capacity respectively at the three-phase alternating current input of three-phase bridge rectifier circuit, and then receive on three output lines together; The DC output end of three-phase bridge rectifier circuit draws three positive poles and three negative poles, DC bridge series boosting circuit is connected in series successively these three positive poles and three negative pole head and the tail, positive and negative electrode by B phase joins end to end with the negative pole of A phase and the positive pole of C phase respectively, the positive pole of A phase is connected with anode, the negative pole of C phase is connected with battery cathode, and the kinetic energy of recovery finally feeds back to battery storage; Power acquisition described three-phase alternating current kinetic energy electricity or the speed of a motor vehicle sensing power supply of control switch circuit, when the power acquisition of control switch circuit is with described three-phase alternating current kinetic energy electricity, its control loop is connected with controlled kinetic energy major loop, namely be connected with wantonly two in three output lines, middle series connection start stop switch, when the power acquisition of control switch circuit is with speed of a motor vehicle sensing power supply, its control loop is connected with the velocity pick-up connecting line of two between electric machine controller and speedometer, middle series connection start stop switch; Based on the threshold voltage of the means design con-trol switches such as resistance, threshold voltage moves scheme average speed per hour and battery nominal charging voltage with electric motor car city is arranged for major parameter.
Preferably, described control switch circuit can adopt three kinds of different circuit, and one is adopt AC type relay, accesses three output lines or wantonly two output lines, the three-phase of control A, B, C three-phase alternating current kinetic energy electricity or the switch of any two-phase; Two is adopt once-through type relay, controls two switches be connected in series a little in the middle of DC bridge series boosting circuit, be connected in series a little refer to B phase positive pole and A phase negative pole be connected in series a little and B phase negative pole and C phase positive pole be connected in series a little; Three be adopt turn-off thyristor do in the middle of the rectifying tube of B phase bridge to hold concurrently control switch, utilize the switch of turn-off thyristor trigger control B phase bridge two rectifying tubes, three kinds of circuit all can realize the switch control rule to recover kinetic energy.
The utility model also provides another kind of electric motor car recover kinetic energy controller, comprise control switch circuit, start stop switch, condenser network, two two-phase bridge rectifiers and DC bridge series boosting circuit, this recover kinetic energy controller is connected in parallel on three output lines of motor stator together with electric machine controller, three output lines export the A transformed through motor when vehicle inertia slides, B, C three-phase alternating current kinetic energy electricity, using C phase as common port, two two-phase bridge rectifiers are connected to form respectively with A phase and B phase, an electric capacity is connected in series respectively in the A phase of the ac input end of two two-phase bridge rectifiers and B phase input, and then receive on three output lines together, the DC output end of two two-phase bridge rectifiers is in parallel respectively draws two groups of positive poles and two groups of negative poles, DC bridge series boosting circuit is connected in series successively these two groups of positive poles and two groups of negative pole head and the tail, by A phase and C phase to do after two-phase bridge rectifier one group of negative pole of drawing in parallel make two-phase bridge rectifier with B phase and C phase after one group of positive pole of drawing in parallel join end to end, A phase and C phase are made one group of positive pole of drawing in parallel after two-phase bridge rectifier and are connected with anode, B phase and C phase are made one group of negative pole of drawing in parallel after two-phase bridge rectifier and are connected with battery cathode, the kinetic energy reclaimed finally feeds back to battery storage, power acquisition described three-phase alternating current kinetic energy electricity or the speed of a motor vehicle sensing power supply of control switch circuit, when the power acquisition of control switch circuit is with described three-phase alternating current kinetic energy electricity, its control loop is connected with controlled kinetic energy major loop, namely be connected with wantonly two in three output lines, middle series connection start stop switch, when the power acquisition of control switch circuit is with speed of a motor vehicle sensing power supply, its control loop is connected with the velocity pick-up connecting line of two between electric machine controller and speedometer, middle series connection start stop switch, based on the threshold voltage of the means design con-trol switches such as resistance, threshold voltage moves scheme average speed per hour and battery nominal charging voltage with electric motor car city is arranged for major parameter.
Preferably, described control switch circuit can adopt two kinds of different circuit, and one is adopt AC type relay, the three-phase of control A, B, C three-phase alternating current kinetic energy electricity or the switch of any two-phase; Two is adopt once-through type relay, control a switch be connected in series a little in the middle of DC bridge series boosting circuit, be connected in series a little refer to that one group of negative pole that A phase and C phase make two-phase bridge rectifier and B phase and C phase make two-phase bridge rectifier one group of positive pole between be connected in series a little, two kinds of circuit all can realize the switch control rule to recover kinetic energy.
Above-mentioned two kinds of electric motor car recover kinetic energy controllers, all select the different electric motor car recover kinetic energy dynamics of the capacitor design of different capacitive reactance in described condenser network and avoid DC series to cause motor phase fault, recover kinetic energy dynamics driving experience slides with internal combustion engine automotive pulley gear, being with gear deceleration dynamics driving experience for optimum configurations.
Described start stop switch is the mains switch of recover kinetic energy control switch, is arranged on electric motor car speed-regulating part, and start stop switch can adopt two kinds of different switches, and one is adopt fine motion mechanical switch; Two is adopt Micro Energy Lose electronic switch, the triggering signal of this electronic switch adopts the output voltage signal of electric machine speed regulation Hall switch, two kinds of start stop switches are all the control accepting speed-regulating part, namely can control start stop switch in speed-regulating part closedown to the moment after feeding electric motors to close, and first can control start stop switch disconnection in speed-regulating part startup to the moment before feeding electric motors.
Electric motor car speed-regulating part is the speed governing pedal of electric bicycle, battery-operated motor cycle, the speed control crank of electro-tricycle or electric automobile, electric bus.
The beneficial effects of the utility model are: this electric motor car recover kinetic energy controller, can solve kinetic energy boosting that recover kinetic energy must solve, kinetic energy rectification, recover kinetic energy dynamics and electing property of kinetic energy be reclaimed to the Related Technical Issues of the aspects such as control automatically.Product design meets the requirement of the Reduced Design of electric motor car own.Kinetic energy boosting mode is simple, direct.Recover kinetic energy mode has automatic selectivity intelligence.Properties of product are reliable, and multiple functional, light weight is small-sized, and cost is low, and efficiency is high, and energy-conserving and environment-protective are practical.Employing flush bonding module appears on the market, and facilitates the later stage to install additional.Can be electric motor car and a kind of " band gear slides " energy-saving safe pattern is provided, under the equal conditions not affecting the highest design speed per hour of electric motor car and average speed per hour, not only can improve electric vehicle inertial and slide coefficient of safety and handling, and electric motor car course continuation mileage about 20% can be significantly improved, thus charging times and the use cost of electric motor car can be reduced, improve fail safe and the practicality of electric motor car.Be in particular in:
(1) to recover kinetic energy, there is automatic selectivity intelligence, kinetic energy can be improved and use effect, electric motor car course continuation mileage can be improved.
Be different from the usual constant voltage supply that adopts if brake signal power supply etc. is as control switch power supply, control switch power acquisition of the present utility model controlled dynamic kinetic energy self electricity or dynamic speed of a motor vehicle sensing power supply.Electric vehicle inertial slide the speed of a motor vehicle close to and exceed the average speed per hour that scheme is moved in city, and kinetic energy is after rectifier boost, when can reach battery nominal charging voltage, could meet the threshold voltage of control switch, and control switch just understands triggering and conducting.If low speed slide, or high speed slide a period of time speed of a motor vehicle drops to below average speed per hour, kinetic energy weakens, lower than battery nominal charging voltage after rectifier boost, then the trigger voltage of control switch is thereupon corresponding because the kinetic energy electricity in three output lines weakens weakens, control switch will cut out automatically, and this controller has automatic selectivity intelligence to recover kinetic energy.
Electric motor car due to course continuation mileage short, mainly move scheme as urban district.Urban transportation is crowded, and the wagon flow stream of people is numerous and diverse changeable, needs frequent use to slow down and brake and controls travel speed.Brake frequently of slowing down frequently brings and starts frequently, and energy content of battery consumption is large.This controller can travel electric motor car (or useless or unwanted or the there is potential safety hazard) inertia kinetic energy often slowed down in way and carry out high efficiente callback, and feedback is stored into battery, and the low speed neutral gear retaining electric motor car safety slides, vehicle is by means of the inertia kinetic energy of self, can also slide quite long distance, the neutral gear below average speed per hour slides, all right energy-conservation increasing journey, thus farthest improve kinetic energy energy use effect, can produce and obviously increase Cheng Xiaoguo.Experiment proves, mobile scheme in urban district, can improve electric motor car course continuation mileage about 20%.
(2) kinetic energy boosting mode adopts DC bridge series boosting circuit, and simply directly, power consumption is little, and kinetic energy conversion efficiency is high.
Recover kinetic energy problem is a problem directly related with cost and system complexity.Excessive cost and too complicated system, all do not meet the requirement of electric motor car for Reduced Design itself.
The utility model adopts Non-traditional Techniques means, to the DC bridge series boosting circuit of the bridge rectifier that can not use usually can not used to use as simple directly kinetic energy boosting mode, the not only secondary cost that produces of other boosting modes (as step-up transformer etc.) capable of reducing using, and secondary power consumption can be reduced.The DC bridge series boosting circuit that the utility model adopts is exactly change conventional three-phase commutation bridge, three groups of DC parallels outputs by conventional three-phase commutation bridge make positive and negative head and the tail into and do the output of bridge-type series system successively, or using one of three-phase kinetic energy electricity as common port, be electrically connected formation two two-phase rectifier bridges with other two-phase kinetic energy, and by two of two two-phase rectifier bridges groups of DC output ends still positive and negative head and the tail do successively bridge-type series system connect.Experiment proves, the kinetic energy voltage that DC bridge is connected in series is 3 times that are connected in parallel, and meets battery rated charge pressure request, directly can feed back to battery storage.
But electric vehicle motor three-phase windings has one end to be the shared neutral line, is equivalent to common ground state, rectification rear axle type is connected in series and can causes phase fault.Utilize the capacitive reactance of electric capacity can effectively avoid motor phase fault, thus high-efficient and lasting recovery can slide kinetic energy, so kinetic energy conversion efficiency is high.
(3) recover kinetic energy dynamics is set to one " band gear slides " energy-saving safe pattern, can improve electric motor car coefficient of safety.
The utility model based on electric capacity capacity capacitive reactance parameter designing electric motor car recover kinetic energy dynamics and avoid DC series to cause motor phase fault, recover kinetic energy dynamics driving experience with similar internal combustion engine motor vehicle " band gear slides " band gear deceleration driving experience for optimum configurations.Useable resistance replaces electric capacity, but resistance can produce power consumption.We know, desirable electrodeless electric capacity neither produce power, also not consumed energy.The utility model adopts electrodeless electric capacity substantially can not produce power consumption, so better effects if.
The shortcoming of electric motor car does not have " band gear slides " system and function exactly." neutral gear slides " does not meet driving safety requirement at a high speed.The utility model passes through the reasonable way of recycling sliding kinetic energy, the motor of generating state is in load when electric vehicle inertial is slided, and engine is in the band gear retarding load under " band gear slides " state when making generation load be equivalent to orthodox car/motorcycle coast, motor speed can be made to decline calmly, carry out towing to vehicle inertia to slow down, much unnecessary brake can be reduced.Reduce the energy ecology that unnecessary brake not only increases electric motor car, and improve the coefficient of safety of electric motor car, improve the driving experience of electric motor car, and meet traditional driving habits and driving safety requirement.
Current electric motor car, particularly electric bicycle, be equipped with electronic brake system,electronic antiskid system substantially, and recover kinetic energy is also only as the byproduct of electric brake design, and thus recover kinetic energy efficiency is very low.This recover kinetic energy controller is that recover kinetic energy provides special passage, not only the recovery of high-efficient and lasting ground can slide kinetic energy, and the organic efficiency of electric brake kinetic energy can be improved, the steep lofty phenomenon of urgency using electric brake to produce can also be reduced, improve the experience of electric brake.
Accompanying drawing explanation
Fig. 1 is the circuit structure diagram of this recover kinetic energy controller embodiment 1.
Fig. 2 is the circuit structure diagram of this recover kinetic energy controller embodiment 2.
Fig. 3 is the circuit structure diagram of this recover kinetic energy controller embodiment 3.
Fig. 4 is the circuit structure diagram of this recover kinetic energy controller embodiment 4.
Fig. 5 is the circuit structure diagram of this recover kinetic energy controller embodiment 5.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Embodiment 1
See Fig. 1, the present embodiment 1 discloses a kind of electric motor car recover kinetic energy controller, comprises control switch circuit, start stop switch, condenser network, three-phase bridge rectifier circuit and DC bridge series boosting circuit, this recover kinetic energy controller is connected in parallel on three output lines of motor stator together with electric machine controller, and three output lines export the A transformed through motor when vehicle inertia slides, B, C three-phase alternating current kinetic energy electricity, AC type solid-state relay selected by control switch, first adopts electric capacity to make capacitance-resistance current limliting to kinetic energy, remakes three-phase bridge rectification, by C1, C2, C3 tri-electric capacity are connected and are received A together with relay, B, on C three-phase alternating current kinetic energy electricity, then the ac input end of three-phase bridge rectifier circuit is received A, B, on C three-phase alternating current kinetic energy electricity i.e. three output lines, the DC output end of three-phase bridge rectifier circuit draws three positive poles and three negative poles, and DC bridge series boosting circuit by three of three-phase bridge rectifier circuit positive poles three negative poles is just, negative head and the tail are made series boosting mode successively and are connected, by B phase just, negative pole joins end to end with the negative pole of A phase and the positive pole of C phase respectively, and the positive pole of A phase is connected with anode, and the negative pole of C phase is connected with battery cathode, and the kinetic energy of recovery finally feeds back to battery storage, the control loop of relay is connected with controlled kinetic energy major loop B, C, and middle series connection start stop switch, start stop switch is arranged on electric motor car speed-regulating part, arranges the threshold voltage of relay based on resistance R.
Operation principle is as follows:
A, as shown in Figure 1, relay control circuit adopts kinetic energy self electricity of dynamic change, control loop and controlledly set up a closed-loop path between kinetic energy major loop B, C, control loop was both preferentially controlled by start stop switch, was controlled by again controlled kinetic energy B, C its voltage simultaneously.During coast, start stop switch is opened immediately, and the electric energy voltage that vehicle energy transforms through motor reaches expected design, and relay will open recovery, otherwise will automatically close.Specifically, preferably, described relay adopts the AC type solid-state relay of no contact long life, is arranged on the interchange end of three-phase bridge rectifier circuit, is used as the three-phase of control A, B, C three-phase alternating current kinetic energy electricity or the switch of any two-phase; The threshold voltage (i.e. minimum) of solid-state relay is set based on resistance R.The kinetic energy that slides that threshold voltage mainly moves under scheme average speed per hour state with the nominal charging voltage of different battery of electric vehicle and vehicle city designs for major parameter.For 48V20A storage battery 450W motor powered bicycle, battery charging rated voltage is 55V-60V.For electric bicycle, the average speed per hour generally moving scheme as city is 20 km.When electric motor vehicle sliding speed per hour close to and more than 20 kilometers, and to reach after kinetic energy rectifier boost or higher than 55V, relay will open recover kinetic energy.When electric motor vehicle sliding speed per hour drops to 18 kilometers lower than 20 kilometers, namely after kinetic energy rectification series boosting lower than 55V, solid-state relay will automatically cut out and abandon recovery.The electric bicycle F-Zero of national regulation is 20 kilometers, exceeds 20 kilometers, and we are called " high speed " that expection is slowed down, and lower than 20 kilometers, we are called safe " low speed ", and product design meets the speed limit requirement of country to electric motor car.
First relay is controlled by start stop switch.Start stop switch is the mains switch of recover kinetic energy control switch, is arranged on electric motor car speed-regulating part, and start stop switch can adopt two kinds of different switches, and one is adopt fine motion mechanical switch; Two is adopt Micro Energy Lose electronic switch, this electronic switch triggering signal adopts the output voltage signal of electric machine speed regulation Hall switch, two kinds of start stop switches are all the control accepting speed-regulating part, namely can control start stop switch in speed-regulating part closedown to the moment after feeding electric motors to close, and first can control start stop switch disconnection in speed-regulating part startup to the moment before feeding electric motors.
Fine motion mechanical switch selects open type, closes the moment after feeding electric motors, can control sensitive switch and be in closure state at speed-regulating part, and first can control sensitive switch recovery off-state in speed-regulating part startup to the moment before feeding electric motors; Closed type selected by Micro Energy Lose electronic switch, close can to close the moment after feeding electric motors at speed governing Hall switch and electronic switch is powered, make it recover closure state, and start at speed governing Hall switch can first triggerable electronic switch to the moment before feeding electric motors, make it first be in off-state.Start stop switch selects electronic switch, can be integrated together with this controller, facilitates user installation to use.
B, three-phase bridge rectifier circuit and DC bridge series boosting circuit, as shown in Figure 1, adopt 3 couples of rectifier diodes D1, D2, D3, D4, D5, D6 do three-phase bridge rectification to kinetic energy, but the DC terminal of three-phase bridge rectification head and the tail are made bridge-type series system successively and are connected, and kinetic energy direct voltage can promote three times.For 48V20A storage battery 450W motor powered bicycle, experiment proves, kinetic energy AC line voltage and electric vehicle speed milimeter number are almost few, namely the kinetic energy AC line voltage of speed per hour 20 kilometers is about 20V, remake bridge-type series system and boost 3 times, the kinetic energy direct voltage of 60V can be obtained, battery back-off requirement can be met.
C, condenser network, as shown in Figure 1, the present embodiment adopts electric capacity C1, C2, C3 to connect respectively together with three-phase bridge rectifier circuit and receives on A, B, C three-phase kinetic energy alternating current, does the connection of bridge-type series system and cause motor three phase fault after can effectively avoiding kinetic energy rectification.Make bridge-type series system for DC terminal after avoiding kinetic energy rectification to connect and cause motor three phase fault, at least needing two at three-phase bridge rectifier circuit exchange end respectively series connection use electric capacity.Namely iff in order to reduce product size and cost, also can be the same with embodiment 4, embodiment 5, only adopt two electric capacity, series connection is received kinetic energy and is exchanged on A, B or A, C or B, C respectively.But in order to make three road average anode current voltages of three-phase bridge rectifier circuit be consistent, thus do not affect the kinetic energy power after series boosting and do not damage rectifier bridge, preferably using three electric capacity.
Based on the capacity capacitive reactance optimum configurations recover kinetic energy dynamics of electric capacity.Recover kinetic energy dynamics should meet the layout strategy making electric motor car have best kinetic energy service efficiency and best deceleration safe driving experience.
For 48V20A storage battery 450W motor powered bicycle, three capacity are adopted to be electric capacity C1, C2, C3 of 220uf, series connection is received on kinetic energy alternating current A, B, C respectively, experimental data shows, what this recover kinetic energy controller can reclaim 0.5A to 3A more enduringly slides kinetic energy, and of short durationly can reclaim vehicle initial inertia kinetic energy and the electric brake kinetic energy of 3A to 8A, and the moderating process of vehicle is calm and smooth and easy, meets traditional driving experience and custom.
Embodiment 2
Substantially identical see Fig. 2, Fig. 2 and Fig. 1.Difference is control switch circuit and control switch power circuit, and Fig. 1 adopts AC type relay, is arranged on the ac input end of three-phase bridge rectifier circuit, is used as the three-phase of control A, B, C three-phase kinetic energy electricity or the switch of any two-phase; Fig. 2 adopts once-through type relay, is arranged on the DC terminal of three-phase bridge rectifier circuit, is used as to control two switches be connected in series a little in the middle of DC bridge series boosting circuit, and two kinds of circuit all can realize the switch control rule to recover kinetic energy.
The control switch power acquisition of Fig. 1 is electric with the kinetic energy self of controlled dynamic change, and its control loop is connected with controlled kinetic energy major loop, is namely connected with wantonly two in three output lines; The speedometer sensing power supply of the control switch power acquisition dynamics change of Fig. 2, its control loop is connected with the velocity pick-up connecting line of two between electric machine controller and speedometer, weaken through motor output kinetic energy electricity during vehicle inertia coastdown, the voltage of two velocity pick-up connecting lines also weakens simultaneously, can reach Fig. 1 has automatic selectivity Based Intelligent Control effect same to recover kinetic energy.
Embodiment 3
Substantially identical see Fig. 3, Fig. 3 and Fig. 1.Difference is controller switches circuit, Fig. 2 adopts once-through type relay, be arranged on the DC terminal of three-phase bridge rectifier circuit, be used as to control two switches be connected in series a little in the middle of DC bridge series boosting circuit, Fig. 3 be adopt turn-off thyristor do in the middle of the rectifying tube of B phase bridge to hold concurrently gate-controlled switch, utilize the switch of turn-off thyristor trigger control B phase bridge rectifying tube, two kinds of circuit all can realize the switch control rule to recover kinetic energy.
Embodiment 4
Substantially identical see Fig. 4, Fig. 4 and Fig. 1.Difference is kinetic energy rectification circuit and booster circuit, to be employing three-phase bridge rectifier circuit be connected with three-phase alternating current kinetic energy electricity Fig. 1, and three of three-phase bridge rectifier circuit DC terminal positive poles and three positive and negative head and the tail of negative pole are made successively bridge-type boosting mode of connecting and be connected; Fig. 4 is using C phase as common port, is connected to form two two-phase bridge rectifiers respectively with A phase and B phase.The DC terminal of two two-phase bridge rectifiers is in parallel respectively draws two groups of positive poles and two groups of negative poles.DC bridge series boosting circuit two groups of positive poles of the DC terminal of two two-phase bridge rectifiers parallel connection extraction and two groups of negative poles head and the tail is made bridge-type series connection boosting mode be successively connected, by A phase and C phase to do after bridge rectifier one group of negative pole of drawing in parallel make bridge rectifier with B phase and C phase after one group of positive pole of drawing in parallel join end to end, A phase and C phase are made one group of positive pole of drawing in parallel after bridge rectifier and are connected with anode, B phase and C phase are made one group of negative pole of drawing in parallel after bridge rectifier and are connected with battery cathode, and the kinetic energy of recovery finally feeds back to battery storage.The rectifier boost effect that Fig. 1 is roughly the same can be reached.Motor phase fault is caused for avoiding d-c bridge series connection use, respectively should to connect access 1 electric capacity at the three-phase alternating current input of two two-phase bridge rectifiers, namely 3 electric capacity are accessed altogether, also respectively can to connect access 1 electric capacity at the wherein two-phase ac input end of the three-phase alternating current input of two two-phase bridge rectifiers, namely 2 electric capacity are accessed altogether, the best mode of access 2 electric capacity is electric in A phase, the input of B phase electricity is respectively connected access electric capacity, the input of the common port C phase electricity of two two-phase bridge rectifiers can not connect electric capacity, the two-way average anode current voltage of two two-phase bridge rectifiers can be made like this to be consistent, thus do not affect the kinetic energy power after series boosting, also rectifier bridge can not be affected, product cost can be saved again.
Embodiment 5
Substantially identical see Fig. 5, Fig. 5 and Fig. 4.Difference is control switch circuit and control switch power circuit, Fig. 4 adopts AC type relay, be arranged on the ac input end of two two-phase bridge rectifiers, be used as the three-phase of control A, B, C three-phase alternating current kinetic energy electricity or the switch of any two-phase; Fig. 5 adopts once-through type relay, is arranged on the DC output end of two two-phase bridge rectifiers, is used as to control a switch be connected in series a little in DC bridge series boosting circuit, and two kinds of switching circuits all can realize the switch control rule to recover kinetic energy.But, the three-phase of control A, B, C three-phase alternating current kinetic energy electricity or the switch of any two-phase, need a three-phase electrical relay or at least two one-phase relaies, the present embodiment controls a switch be connected in series a little in the middle of DC bridge series boosting circuit, only need an one-phase relay, product structure simplifies further, and cost reduces further.
The control switch power acquisition of Fig. 4 is electric with the kinetic energy self of controlled dynamic change, and its control loop is connected with controlled kinetic energy major loop, is namely connected with wantonly two in three output lines; The speedometer sensing power supply of the control switch power acquisition dynamics change of Fig. 5, its control loop is connected with the velocity pick-up connecting line of two between electric machine controller and speedometer, can reach Fig. 4 has automatic selectivity Based Intelligent Control effect same to recover kinetic energy.
This recover kinetic energy controller, product is small-sized, product size for electric bicycle is equivalent to one " cigarette case ", being equivalent to one " Xinhua dictionary " for electro-tricycle, be equivalent to a rectangle " mess-tin " for electric automobile, all can be arranged near electric vehicle motor controller.Product has 7 external connecting lines.3 Huangs, green, blue line are three-phase alternating current kinetic energy electricity input connecting line, are connected respectively with electric machine controller to binding post 3 Huangs of three of motor stator output lines, green, blue line.2 red, black thick lines are kinetic energy direct current feedback line, and be connected to red, the black power line of binding post 2 that electric machine controller exports with battery respectively, redness is positive pole, black negative pole.Two white, black fine rules are connected with the start stop switch be arranged on electric motor car speed-regulating part two terminals respectively.Start stop switch, with indicator light or ammeter, can be arranged on instrument desk, is used to indicate recover kinetic energy state.Start stop switch additional manual push-button switch, facilitates driver to close and start-up connector, by the handling and increasing Cheng Xiaoguo of this recover kinetic energy controller high speed " band gear slides " energy-saving safe pattern, adds contrast at any time and experiences.
Be to be understood that; specific embodiment described herein is only in order to explain the utility model; and be not used in restriction the scope of the claims of the present utility model; every equivalent structure transformation utilizing the utility model specification and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, include in scope of patent protection of the present utility model.
Claims (7)
1. an electric motor car recover kinetic energy controller, it is characterized in that, comprise control switch circuit, start stop switch, condenser network, three-phase bridge rectifier circuit and DC bridge series boosting circuit, this recover kinetic energy controller is connected in parallel on three output lines of motor stator together with electric machine controller, A, B, C three-phase alternating current kinetic energy electricity that three output line output vehicle inertias transform through motor when sliding, be connected in series an electric capacity respectively at the three-phase alternating current input of three-phase bridge rectifier circuit, and then receive on three output lines together; The DC output end of three-phase bridge rectifier circuit draws three positive poles and three negative poles, DC bridge series boosting circuit is connected in series successively these three positive poles and three negative pole head and the tail, positive and negative electrode by B phase joins end to end with the negative pole of A phase and the positive pole of C phase respectively, the positive pole of A phase is connected with anode, the negative pole of C phase is connected with battery cathode, and the kinetic energy of recovery finally feeds back to battery storage; Power acquisition described three-phase alternating current kinetic energy electricity or the speed of a motor vehicle sensing power supply of control switch circuit, when the power acquisition of control switch circuit is with described three-phase alternating current kinetic energy electricity, its control loop is connected with controlled kinetic energy major loop, namely be connected with wantonly two in three output lines, middle series connection start stop switch; When the power acquisition of control switch circuit is with speed of a motor vehicle sensing power supply, its control loop is connected with the velocity pick-up connecting line of two between electric machine controller and speedometer, middle series connection start stop switch; The threshold voltage of control switch moves scheme average speed per hour and battery nominal charging voltage with electric motor car city is arranged for major parameter.
2. the controller of electric motor car recover kinetic energy according to claim 1, it is characterized in that, described control switch circuit can adopt three kinds of different circuit, one is adopt AC type relay, access three output lines or wantonly two output lines, the three-phase of control A, B, C three-phase alternating current kinetic energy electricity or the switch of any two-phase; Two is adopt once-through type relay, controls two switches be connected in series a little in the middle of DC bridge series boosting circuit, be connected in series a little refer to B phase positive pole and A phase negative pole be connected in series a little and B phase negative pole and C phase positive pole be connected in series a little; Three be adopt turn-off thyristor do in the middle of the rectifying tube of B phase bridge to hold concurrently control switch, utilize the switch of turn-off thyristor trigger control B phase bridge two rectifying tubes, three kinds of circuit all can realize the switch control rule to recover kinetic energy.
3. an electric motor car recover kinetic energy controller, it is characterized in that, comprise control switch circuit, start stop switch, condenser network, two two-phase bridge rectifiers and DC bridge series boosting circuit, this recover kinetic energy controller is connected in parallel on three output lines of motor stator together with electric machine controller, three output lines export the A transformed through motor when vehicle inertia slides, B, C three-phase alternating current kinetic energy electricity, using C phase as common port, two two-phase bridge rectifiers are connected to form respectively with A phase and B phase, an electric capacity is connected in series respectively in the A phase of the ac input end of two two-phase bridge rectifiers and B phase input, and then receive on three output lines together, the DC output end of two two-phase bridge rectifiers is in parallel respectively draws two groups of positive poles and two groups of negative poles, DC bridge series boosting circuit is connected in series successively these two groups of positive poles and two groups of negative pole head and the tail, by A phase and C phase to do after two-phase bridge rectifier one group of negative pole of drawing in parallel make two-phase bridge rectifier with B phase and C phase after one group of positive pole of drawing in parallel join end to end, A phase and C phase are made one group of positive pole of drawing in parallel after two-phase bridge rectifier and are connected with anode, B phase and C phase are made one group of negative pole of drawing in parallel after two-phase bridge rectifier and are connected with battery cathode, the kinetic energy reclaimed finally feeds back to battery storage, power acquisition described three-phase alternating current kinetic energy electricity or the speed of a motor vehicle sensing power supply of control switch circuit, when the power acquisition of control switch circuit is with described three-phase alternating current kinetic energy electricity, its control loop is connected with controlled kinetic energy major loop, namely be connected with wantonly two in three output lines, middle series connection start stop switch, when the power acquisition of control switch circuit is with speed of a motor vehicle sensing power supply, its control loop is connected with the velocity pick-up connecting line of two between electric machine controller and speedometer, middle series connection start stop switch, the threshold voltage of control switch moves scheme average speed per hour and battery nominal charging voltage with electric motor car city is arranged for major parameter.
4. the controller of electric motor car recover kinetic energy according to claim 3, is characterized in that, described control switch circuit can adopt two kinds of different circuit, and one is adopt AC type relay, the three-phase of control A, B, C three-phase alternating current kinetic energy electricity or the switch of any two-phase; Two is adopt once-through type relay, control a switch be connected in series a little in the middle of DC bridge series boosting circuit, be connected in series a little refer to that one group of negative pole that A phase and C phase make two-phase bridge rectifier and B phase and C phase make two-phase bridge rectifier one group of positive pole between be connected in series a little, two kinds of circuit all can realize the switch control rule to recover kinetic energy.
5. electric motor car recover kinetic energy controller according to claim 1 or 3, it is characterized in that, select the capacitor design different electric motor car recover kinetic energy dynamics of different capacitive reactance in described condenser network, recover kinetic energy dynamics driving experience slides with internal combustion engine motor vehicle high speed band gear, be with gear deceleration dynamics driving experience for optimum configurations.
6. electric motor car recover kinetic energy controller according to claim 1 or 3, it is characterized in that, described start stop switch is the mains switch of recover kinetic energy control switch, is arranged on electric motor car speed-regulating part, start stop switch can adopt two kinds of different switches, and one adopts fine motion mechanical switch; Another kind adopts Micro Energy Lose electronic switch, and the triggering signal of this electronic switch adopts the output voltage signal of electric machine speed regulation Hall switch; Above two kinds of start stop switches are all the control accepting speed-regulating part, namely can control start stop switch in speed-regulating part closedown to the moment after feeding electric motors and close, and first can control start stop switch disconnection in speed-regulating part startup to the moment before feeding electric motors.
7. the controller of electric motor car recover kinetic energy according to claim 6, is characterized in that, electric motor car speed-regulating part is the speed governing pedal of electric bicycle, battery-operated motor cycle, the speed control crank of electro-tricycle or electric automobile, electric bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420803657.7U CN204271726U (en) | 2014-12-18 | 2014-12-18 | Electric motor car recover kinetic energy controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420803657.7U CN204271726U (en) | 2014-12-18 | 2014-12-18 | Electric motor car recover kinetic energy controller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410140A (en) * | 2014-12-18 | 2015-03-11 | 王继红 | Kinetic energy recovery controller for electric vehicle |
| CN106218804A (en) * | 2016-07-28 | 2016-12-14 | 胡姚宏 | Inertia generating conversion electromobile |
-
2014
- 2014-12-18 CN CN201420803657.7U patent/CN204271726U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410140A (en) * | 2014-12-18 | 2015-03-11 | 王继红 | Kinetic energy recovery controller for electric vehicle |
| CN106218804A (en) * | 2016-07-28 | 2016-12-14 | 胡姚宏 | Inertia generating conversion electromobile |
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