CN109383304A - A kind of electric drive circuit and vehicle of vehicle - Google Patents
A kind of electric drive circuit and vehicle of vehicle Download PDFInfo
- Publication number
- CN109383304A CN109383304A CN201710660533.6A CN201710660533A CN109383304A CN 109383304 A CN109383304 A CN 109383304A CN 201710660533 A CN201710660533 A CN 201710660533A CN 109383304 A CN109383304 A CN 109383304A
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- Prior art keywords
- circuit
- motor
- braking
- branch
- braking branch
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
- B60L15/2045—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for optimising the use of energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
- B60L15/2009—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
- B60L7/14—Dynamic electric regenerative braking for vehicles propelled by ac motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
- B60L7/16—Dynamic electric regenerative braking for vehicles comprising converters between the power source and the motor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
This application discloses a kind of electric drive circuits of vehicle, including motor circuit, driving circuit, braking branch and controller；Driving circuit, braking branch are connect two-by-two with motor circuit, and controller and driving circuit brake branch and motor circuit connects controller；Controller is for sending control signal to each circuit and braking branch when receiving control instruction；Wherein, control signal includes brake signal and driving signal；It brakes branch to be used for when receiving brake signal, the power of adjustment braking branch simultaneously stores electric energy in braking branch；When receiving driving signal, the electrical energy transportation in braking branch will be stored in into driving circuit.The part electric energy of recycling of motor can be stored in braking by braking branch, and motor can provide bigger braking power in braking, reduce speed faster, can reach preferable braking ability from the mechanical braking without the use of brake block.Disclosed herein as well is a kind of vehicles, have above-mentioned beneficial effect.
Description
Technical field
This application involves technical field of vehicle, in particular to the electric drive circuit and vehicle of a kind of vehicle.
Background technique
With the development of vehicle technology, new-energy automobile increasingly occurs in daily life, and new-energy automobile is with it
Environmental protection, efficiently, the advantages such as energy conservation are deep to be liked by consumer.In general, new-energy automobile is mainly by being driven by electricity, electric drive
System mainly includes battery, inverter, permanent magnet drive motor.In driving, battery provides DC power supply, and inverter is by direct current
Source inversion is AC power source, is provided to permanent magnet drive motor, motor is made directly or indirectly wheel to be driven to rotate.Work as braking
When, stopping providing electric current, wheel is counter to drag permanent magnet drive motor to rotate, thus cutting stator coil, and then generate electricity.But then vehicle
During actual motion, due to the power limit of permanent magnet drive motor, lesser braking can only be provided at the higher speeds
Torque can not make vehicle reduce speed as early as possible.If at this point, vehicle will enter brake when driver wishes quickly to reduce speed
The state of piece braking, brake block and vehicle friction, are that vehicle quickly reduces.
Although can quickly reduce speed using brake block, energy dissipation is serious.Generally, new-energy automobile is continuous
Boat ability is more weak, and the energy of waste will lead to being greatly reduced for vehicle course continuation mileage, and then may require that the more electricity of carrying
Pond is to make up the waste of energy.But energy consumption and duration when will increase the cost and charging of vehicle.
Meanwhile in the system of new-energy automobile, during electric braking, it is limited by the function when braking of driving motor
Reason is stepped in rate, electric current and fever, the energy for the recycling braking being unable to fully, while can be made using the mechanical braking of brake block again
At a large amount of energy loss, make the efficiency of energy regenerating less than 50%.
Therefore, the efficiency for how improving the electric braking of vehicle is the hot issue of those skilled in the art's concern.
Summary of the invention
The purpose of the application is to provide the electric drive circuit and vehicle of a kind of vehicle, is made by increasing in driving circuit side
Dynamic branch, braking branch can store the part electric energy of the recycling of motor in braking, and be stored in the power supply of braking branch,
Effective that motor is helped to recycle extra electric energy, motor can provide bigger braking power in braking, reduce faster
Speed can reach preferable braking ability from the mechanical braking without the use of brake block.It is adjustable to brake branch simultaneously
The power of its circuit prevents heat excessive, and in driving, braking branch makes to drive by stored energy transfer into driving circuit
Dynamic circuit can be used the energy of recycling and provide power, increase whole available electric energy.
In order to solve the above technical problems, the application provides a kind of electric drive circuit of vehicle, including motor circuit, driving electricity
Road, braking branch and controller；Wherein the driving circuit, the braking branch are connect two-by-two with the motor circuit, institute
Controller is stated to connect with the driving circuit, the braking branch and the motor circuit；
The controller when for receiving control instruction, sends control letter to each circuit and the braking branch
Number；Wherein, the control signal includes brake signal and driving signal；
The braking branch, for when receiving the brake signal, adjusting power and the storage of the braking branch
Electric energy is in the braking branch；For it when receiving the driving signal, will be stored in the braking branch described in
Electrical energy transportation is into the driving circuit.
Optionally, the braking branch includes: uncontrollable rectifier bridge, power control circuit, energy transfer circuits, direct current
Source and braking branch controller；The braking branch is connected on the driving circuit by energy transfer circuits, the system
Dynamic branch is connected on the motor circuit by uncontrollable rectifier bridge；
Wherein, the braking branch controller, for when receiving brake signal, Xiang Suoshu power control circuit to be sent
Signal is so that the power control circuit is started to work；When receiving the driving signal, Xiang Suoshu energy transfer circuits hair
The signal is sent so that the energy transfer circuits are started to work；
The power control circuit, for adjusting the watt level of the braking branch；
The energy transfer circuits, for conveying electric energy to the driving circuit.
Optionally, the motor circuit includes: motor,
Wherein, the same port that the driving circuit and the braking branch pass through the motor is connected to the motor
In circuit.
Optionally, the motor circuit includes: bimorph transducer winding electric machine；Wherein, the bimorph transducer winding electric machine includes the
One stator and the second stator；The driving circuit is connected by first stator with the motor circuit, the braking
Branch is connected by second stator with the motor circuit.
Optionally, the motor circuit includes: first motor, the second motor, the clutch being arranged on second motor
Device and clutch controller；Wherein the first motor is connected on vehicle rear axle, and second motor passes through the clutch
Device is connected on the vehicle rear axle；The motor circuit is connected in the driving circuit by the first motor, is passed through
Second motor is connected in the braking branch；
Wherein, the clutch controller is used for when receiving the brake signal, control clutch closure.
Optionally, the braking branch, further includes: transformer；The braking branch is connected to the electricity by transformer
In electromechanical road.
Optionally, the DC power supply is specially quick charging battery or super capacitor.
Optionally, the power control circuit and the energy transfer circuits specifically use BUCK circuit or BOOST circuit.
The application also provides a kind of vehicle, including any of the above-described kind of circuit.
The electric drive circuit of a kind of vehicle provided herein, comprising: including motor circuit, driving circuit, braking branch
Road and controller；Wherein, the driving circuit is connect two-by-two with the braking branch with the motor circuit, the controller
It is connect with each circuit and branch；The controller, when for receiving control instruction, to each circuit and the braking
Branch sends control signal；Wherein, the control signal includes brake signal and driving signal；The braking branch, for working as
When receiving the brake signal, adjusts the power of the braking branch and store electric energy in the braking branch；For working as
When receiving the driving signal, the electrical energy transportation in the braking branch will be stored in into the driving circuit.
By increasing braking branch in driving circuit side, braking branch can store the portion of the recycling of motor in braking
Divide electric energy, and be stored in the power supply of braking branch, effective that motor is helped to recycle extra electric energy, motor can in braking
To provide bigger braking power, speed is reduced faster, can reach preferable from the mechanical braking without the use of brake block
Braking ability.The power for braking its adjustable circuit of branch simultaneously, prevents heat excessive, and branch is braked in driving by institute
The energy transfer of storage makes driving circuit that the energy of recycling can be used and provides power, increase entirety into driving circuit
Available electric energy.The application also provides a kind of vehicle, has above-mentioned beneficial effect, no longer repeats herein.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural block diagram of the electric drive circuit of vehicle provided by the embodiments of the present application；
Fig. 2 is a kind of structural block diagram of the braking branch of electric drive circuit of vehicle provided by the embodiments of the present application；
Fig. 3 is a kind of a kind of exemplary structure chart of the electric drive circuit of vehicle provided by the embodiments of the present application；
Fig. 4 is a kind of exemplary structure chart of another kind of electric drive circuit of vehicle provided by the embodiments of the present application；
Fig. 5 is a kind of another exemplary structure chart of the electric drive circuit of vehicle provided by the embodiments of the present application；
Fig. 6 is a kind of structure chart of a kind of motor circuit of the electric drive circuit of vehicle provided by the embodiments of the present application；
Fig. 7 is a kind of also a kind of exemplary structure chart of the electric drive circuit of vehicle provided by the embodiments of the present application.
Specific embodiment
The core of the application is to provide the electric drive circuit and vehicle of a kind of vehicle, is made by increasing in driving circuit side
Dynamic branch, braking branch can store the part electric energy of the recycling of motor in braking, and be stored in the power supply of braking branch,
Effective that motor is helped to recycle extra electric energy, motor can provide bigger braking power in braking, reduce faster
Speed can reach preferable braking ability from the mechanical braking without the use of brake block.It is adjustable to brake branch simultaneously
The power of its circuit prevents heat excessive, and in driving, braking branch makes to drive by stored energy transfer into driving circuit
Dynamic circuit can be used the energy of recycling and provide power, increase whole available electric energy.
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
Referring to FIG. 1, Fig. 1 is a kind of structural block diagram of the electric drive circuit of vehicle provided by the embodiments of the present application.
The present embodiment includes: motor circuit 10, driving circuit 20, braking branch 30 and controller；
Wherein, the driving circuit 20 is connect two-by-two with the braking branch 30 with the motor circuit 10, the control
Device is connect with each circuit and branch；
In conjunction with the above structural block diagram, the company of driving circuit 20, braking branch 30 and motor circuit 10 in the present embodiment
The mode of connecing is the generated output that can be undertaken in the motor circuit 10 of a part in order to brake branch 30 when braking, keeps motor electric
Road 10 can brake under bigger power, provide stronger braking torque power to make speed quickly reduce.Meanwhile driving electricity
Power in road 20 is not too big, and causes the adverse effects such as fever.
The connection type of braking branch 30 and driving circuit 20 is in order to which upon driving, braking branch can be by the electricity of storage
It can be transferred to driving circuit 20, for providing more electric energy, to guarantee the continuation of the journey of vehicle.
It is emphasized that wherein, controller is the controller for control each circuit, as total transmitting-receiving control signal with
The functional module of signal is handled, therefore the controller and other modules have connection.Corresponding each circuit and branch all can
There is the signal receiving processing module with hop controller, in order to receive the control signal of controller, and make corresponding work,
Particular content should choose whether the other signals of hi processing according to practical situation and therefore no longer be specifically limited herein.
The controller when for receiving control instruction, sends control letter to each circuit and the braking branch
Number；Wherein, the control signal includes brake signal and driving signal；
Based on above-mentioned connection relationship, in the present embodiment, controller is for receiving control instruction, wherein the control
Instruction is decision of stepping on the gas and touch on the brake when reusing vehicle by user.Therefore, this step is in order to when controller receives
When to control instruction, each circuit branch into the present embodiment, which sends corresponding signal, makes circuit branch make corresponding movement.
Certainly, in the processing of signal, and transmission, inevitably there are some treatment processes, it can be according to reality
The transmission frequency of its signal in the situation of border, transmits the format of signal, how anti-stop signal interference and select different processing sides
Formula is not specifically limited herein.
The braking branch 30, for when receiving the brake signal, adjusting the power of the braking branch 30 simultaneously
Electric energy is stored in the braking branch 30；For the braking branch 30 when receiving the driving signal, will to be stored in
In the electrical energy transportation into the driving circuit 20.
Function based on above controller, in the present embodiment, controller sends brake signal, and vehicle is made to enter braking shape
State, motor do not provide electric energy, are produced electricl energy by counter drag of the inertia of wheel and vehicle, and the current transmission that motor generates is to driving circuit
And in braking branch, the direct current that driving circuit receives the alternating current conversion of motor generation is stored electronically in battery, and is driven
The power limited that circuit can undertake, therefore branch is braked by way of dividing current or voltage, assume responsibility for the motor of a part
The electric energy of generation keeps brake force stronger, braking effect is more so that motor can keep biggish braking power in braking
It is good, rather than better braking effect is gone all out with by mechanical braking.
Wherein, braking branch 30 carries out the adjustment of power in order to prevent to the circuit of itself when receiving brake signal
Electric current is excessive and causes to damage to circuit, while branch can be allow to undertake bigger generated output.The alternating current received
It is stored electronically in the battery of branch by switching to direct current.
Work as controller, transmission be driving signal when, the power supply of driving circuit bio-occlusion motor circuit starts motor normally
Work transmits electric energy to driving circuit at this point, braking branch also receives driving signal.
It is envisioned that braking branch when completing above-mentioned work, can complete one by some electronic devices to electric current
A little transformation, should select different devices that branch is allow to complete work depending on concrete condition.Specific selection course should regard specifically
Environment and select, be no longer specifically limited herein.
By increasing braking branch in driving circuit side, braking branch can store the portion of the recycling of motor in braking
Divide electric energy, and be stored in the power supply of braking branch, effective that motor is helped to recycle extra electric energy, motor can in braking
To provide bigger braking power, speed is reduced faster, can reach preferable from the mechanical braking without the use of brake block
Braking ability.The power for braking its adjustable circuit of branch simultaneously, prevents heat excessive, and branch is braked in driving by institute
The energy transfer of storage makes driving circuit that the energy of recycling can be used and provides power, increase entirety into driving circuit
Available electric energy.
Referring to FIG. 2, Fig. 2 is a kind of structure of the braking branch of electric drive circuit of vehicle provided by the embodiments of the present application
Block diagram.
The present embodiment explains the structure of the braking branch in a upper embodiment, composition, function and effect, other portions
Divide and be substantially the same with a upper embodiment, same section can be found in an embodiment relevant portion, and details are not described herein.
The braking branch may include: uncontrollable rectifier bridge, power control circuit, energy transfer circuits, DC power supply with
And braking branch controller；
And braking branch is connected on driving circuit by energy transfer circuits, braking branch passes through uncontrollable rectification bridging
It is connected on motor circuit；
Wherein, what electric power generation was exported is alternating current, therefore general circuit can connect rectifier bridge, in the present embodiment
In, selected is uncontrollable rectifier bridge.Uncontrollable rectifier bridge is made of the rectifier diode without control function in figure
Rectification circuit, when one timing of alternating voltage of input, the tributary voltage obtained in load is the circuit not being adjustable, due to it
Using the rectifier diode of no control function in great cost performance in production, and rectification function is used in braking,
Voltage can change with the variation of speed, and there is no need to voltage control function is used in switching process.Therefore, it selects uncontrollable
Rectifier bridge.
Due to using motor braking to have when the power of electric power generation is delivered in braking branch at high speeds
Higher electric current, and power can rise with it, and cause the calorific value of braking branch excessive.It will cause unnecessary energy loss,
If radiated not in time, the damage of route will cause, cause unnecessary consequence.Therefore, function is connected in braking branch
Rate control circuit, the size that can control the electric current in braking branch are avoided and were generated heat to reduce the power in circuit
A series of consequence caused by big.
DC power supply is used to store the energy of current braking recycling, general since the braking process time is shorter, wink
When voltage it is larger, therefore, power supply need select can bear the higher power supply of instantaneous voltage.Such power supply is in release electric energy
When, the voltage class of release also can be relatively high, and since the voltage class that driving circuit is born is lower, is using
When the energy of recycling, reduce voltage by energy transfer circuits prevents overtension from occurring with the voltage class for adapting to driving circuit
The case where circuit damages.
The basic functional principle of its power control circuit and energy transfer circuits can use the principle of DC-DC circuit, become
Change its voltage either electric current.
Optionally, the power control circuit and energy transfer circuits can be specific using BUCK BOOST topological circuit
Change.
Optionally, which can be quick charging battery or super capacitor.
Wherein, braking branch controller is used to receive the signal of controller, can control braking branch 30 in this controller
In various pieces, therefore its control signal can be transmitted to various pieces, it is contemplated that braking branch controller and system
It is connected when the various pieces of dynamic branch, but its specific connection type can be selected different companies by specific applicable cases
Mode is connect, is no longer limited herein.
Brake branch controller, for when receiving brake signal, Xiang Suoshu power control circuit send signal so that
The power control circuit is started to work；When receiving the driving signal, Xiang Suoshu energy transfer circuits send the letter
Number so that the energy transfer circuits start to work；
Wherein, it when braking branch controller receives the control instruction of controller transmission, can be sent out to each corresponding part
Send control signal.Certainly, inevitably braking branch controller can do corresponding processing to control instruction, and brake branch control
Device processed can to controller feed back various pieces operating condition, specific treatment process and, feedback system can be according to it
Specific applicable cases select different mode and method, and details are not described herein.
The power control circuit, for adjusting the watt level of the braking branch；
The energy transfer circuits, for conveying electric energy to the driving circuit.
Based on the function of above-mentioned braking branch controller, power control circuit receives signal and starts to carry out power
It adjusts, prevents the power in the road of braking excessively high.When energy transfer circuits receive signal, start to work, it will be in braking branch
The electric energy of storage is transmitted in driving circuit.
Optionally, when braking in the driving circuit, due to the power limited of the battery of storage, the power of driving circuit
Also it is limited.Therefore, the circuit in driving circuit is controlled come the watt level in control circuit by controllable rectifier bridge.
In conjunction with a upper embodiment, in the present embodiment for the composition function and work of the motor circuit in a upper embodiment
With doing a restriction.Other parts are substantially the same with a upper embodiment, and same section please refers to the corresponding portion of an embodiment
Point.
Motor circuit may include: motor in this implementation；
The same port that the driving circuit and the braking branch pass through the motor is connected to the motor circuit
In.
Braking branch is connected to the motor by the same port with driving circuit, in braking, motor electricity energy
It is separated by two sets of different circuits of port.Therefore, braking power can be improved in driving motor, to reach preferable braking
Effect.
It is specifically referred to Fig. 3, Fig. 3 is that a kind of one kind of the electric drive circuit of vehicle provided by the embodiments of the present application is shown
The structure chart of example.
In conjunction with figure, this example provides a kind of specific example in the case of the above embodiments.It is traditional in its dotted line
Driving circuit.It is accordingly uncontrollable rectifier bridge, power control DCDC circuit, low energy high voltage fast charge braking in branch
DC power supply DC1 and energy transfer DCDC circuit.Motor circuit includes a motor, is connected on vehicle rear axle.
In the case where driving operating condition, driving circuit provides electric energy to motor by DC2, and motor provides power to vehicle rear axle, from
And it is mobile to control vehicle.Energy transfer DCDC circuit is by the energy transfer of DC1 into DC2 in braking branch.
Under damped condition, energy transfer DCDC circuit does not work, and the kinetic energy of vehicle drags vehicle rear axle, and vehicle rear axle is anti-
Motor M, motor M is dragged to start to generate electricity.Its electric energy is transmitted in power drive system and braking branch, and driving circuit passes through controlled rectification
Bridge controls stalling current ic, brake branch and pass through power control DCDC circuit control stalling current i1, by controlling stalling current ic
And i1It can control its stalling current, so that braking torque is controlled, to reach the requirement for quickly reducing speed.
In this example, the composition for braking branch is simple, is all basic original part, manufacturing cost is lower and for original circuit
It changes smaller.
It is emphasized that be the control function for including controller in this example, example just can with entire run, but due to
Point is the variation of its circuital current and the composition of component, and the transmission of non-signal in the course of the description.Therefore in figure with
And controller and its correlation function are omitted in verbal description, and be not present.Those skilled in the art equally can be with
In conjunction with figure content and understand its control process, therefore be no longer described.
Optionally, it is based on a upper embodiment, transformer can be added in braking branched portion in the present embodiment, brake branch
It is connected in motor circuit by transformer.
It is specifically referred to Fig. 4, Fig. 4 is a kind of another kind of the electric drive circuit of vehicle provided by the embodiments of the present application
Exemplary structure chart.
In conjunction with figure, this example provides another specific example in the case of the above embodiments.Primarily directed to braking
The part that motor is connected in circuit is added to transformer T1.Other parts are substantially identical as a upper embodiment, and same section can be with
With reference to the corresponding portion of a upper embodiment, details are not described herein.
In the case where driving operating condition, driving circuit provides electric energy to motor by DC2, and motor provides power to vehicle rear axle, from
And it is mobile to control vehicle.Energy transfer DCDC circuit is by the energy transfer of DC1 into DC2 in braking branch.
Under damped condition, energy transfer DCDC circuit does not work, and the kinetic energy of vehicle drags vehicle rear axle, and vehicle rear axle is anti-
Motor M, motor M is dragged to start to generate electricity.Its electric energy is transmitted in power drive system and braking branch, and driving circuit passes through controlled rectification
Bridge controls stalling current ic, brake branch and pass through power control DCDC circuit control stalling current i1, by controlling stalling current ic
And i1It can control its stalling current, so that braking torque is controlled, to reach the requirement for quickly reducing speed.Transformer T1 is realized
Generated output high current is transformed to big voltage.
In braking branch, it can be reduced by the conversion process of transformer T1 and be generated heat, improved efficiency, avoided due to hair
The problem of circuit caused by heat is excessive damages.
In conjunction with a upper embodiment, in the present embodiment for the composition function and work of the motor circuit in a upper embodiment
With doing a restriction.Other parts are substantially the same with a upper embodiment, and same section please refers to the corresponding portion of an embodiment
Point.
In the present embodiment, motor circuit may include: bimorph transducer winding electric machine；The bimorph transducer winding electric machine includes first fixed
Son and the second stator；
Driving circuit is connected by the first stator with motor circuit, and braking branch passes through the second stator and motor circuit phase
Connection.
Wherein, bimorph transducer winding electric machine can provide higher voltage in power generation, to reduce driving circuit and braking
Stalling current in branch, thus reduce braking branch in circuit fever, avoid calorific value it is excessive when cause it is undesirable
Consequence, it is lower to heat sinking function requirement, during fabrication without paying close attention to the heat sinking function for braking branch.
It is specifically referred to Fig. 5, Fig. 5 is another of a kind of electric drive circuit of vehicle provided by the embodiments of the present application
Exemplary structure chart.
In conjunction with figure, this example provides another specific example in the case of the above embodiments.Primarily directed to motor
Motor part in circuit has selected bimorph transducer winding electric machine M.Other parts are substantially identical as a upper embodiment, and same section can
With the corresponding portion with reference to a upper embodiment, details are not described herein.
Conventional drive system is connected by the first stator with bimorph transducer winding electric machine, braking branch by the second stator with
Bimorph transducer winding electric machine is connected.
In the case where driving operating condition, driving circuit by DC2 to bimorph transducer winding electric machine provide electric energy, bimorph transducer winding electric machine to
Vehicle rear axle provides power, so that it is mobile to control vehicle.Energy transfer DCDC circuit arrives the energy transfer of DC1 in braking branch
In DC2.
Under damped condition, energy transfer DCDC circuit does not work, and the kinetic energy of vehicle drags vehicle rear axle, and vehicle rear axle is anti-
Bimorph transducer winding electric machine M is dragged, two stators of bimorph transducer winding electric machine M start to generate electricity.Its electric energy passes through two divided stator supplementary biographies
It transports in power drive system and braking branch, driving circuit controls stalling current i by controllable rectifier bridgec, brake branch and pass through
Power control DCDC circuit control stalling current i1, by controlling stalling current icAnd i1It can control its braking power, to control
Braking torque processed, to reach the requirement for quickly reducing speed.
Referring to FIG. 6, Fig. 6 is a kind of a kind of motor circuit of the electric drive circuit of vehicle provided by the embodiments of the present application
Structure chart.
In conjunction with a upper embodiment, in the present embodiment for the composition function and work of the motor circuit in a upper embodiment
With doing a restriction.Other parts are substantially the same with a upper embodiment, and same section please refers to the corresponding portion of an embodiment
Point.
In the present embodiment, motor circuit may include: first motor 11, the second motor 12, be arranged on the second motor
Clutch 13 and clutch controller；Wherein first motor 11 is connected on vehicle rear axle, and the second motor 12 passes through clutch
13 are connected on vehicle rear axle；Motor circuit 10 is connected in driving circuit 20 by first motor 11, passes through the second motor 12
It is connected in braking branch 30；
Wherein, clutch controller is used for when receiving brake signal, control clutch closure.
Wherein, clutch 13 is powerdriven for carrying out the rear axle of the second motor 12 and vehicle, when clutch 13
Closure is driven power, and power can not be driven when disengaged.The control of clutch 13 is completed by clutch controller, from
Clutch controller can receive the control signal of controller.
When braking, clutch 13 is closed, and is equivalent to be that vehicle rear axle drags two motors, two motors are sent out simultaneously
Electricity.Two motors provide brake force simultaneously, and braking branch 30 can undertake higher power, therefore can provide in braking
Preferable braking effect, to meet brake request at high speeds.
It is specifically referred to Fig. 7, Fig. 7 is a kind of also one kind of electric drive circuit of vehicle provided by the embodiments of the present application
Exemplary structure chart.
In conjunction with figure, this example provides also a kind of specific example in the case of the above embodiments.Primarily directed to motor
Motor part in circuit 10 has done specific restriction.Other parts are substantially identical as a upper embodiment, and same section can join
It is admitted to the corresponding portion of an embodiment, details are not described herein.
Its motor circuit include: first motor M1, the second motor M2, the clutch being arranged on the second motor M2 and from
Clutch controller；
Wherein first motor M1 is connected on vehicle rear axle, and the second motor M2 is connected on vehicle rear axle by clutch；
Motor circuit in the driving circuit, is connected in braking branch by first motor M1 connection by the second motor M2；
In the case where driving operating condition, driving circuit provides electric energy to first motor M1 by DC2, and first motor M1 is to vehicle rear axle
Power is provided, so that it is mobile to control vehicle.Clutch controller receives driving signal, and control clutch leaves, by the second electricity
Machine M2 and vehicle rear axle disengage.Energy transfer DCDC circuit is by the energy transfer of DC1 into DC2 in braking branch.
Under damped condition, clutch controller receives brake signal, control clutch closure, by the second motor M2 with
Vehicle rear axle connects.Vehicle rear axle start it is counter drag first motor M1 and the second motor M2, two motors generate electricity simultaneously.First
The electric energy of motor M1 is transmitted in power drive system, and the electric energy of the second motor M2 is transmitted in braking branch, and driving circuit passes through
Controllable rectifier bridge controls stalling current ic, brake branch and pass through power control DCDC circuit control stalling current i1.Driving circuit is logical
Cross control stalling current ic, and braking branch is by controlling stalling current i1, first motor M1 and the second motor M2 is controlled respectively
Braking power, to control braking torque, to reach the requirement for quickly reducing speed.
Wherein, first motor M1 can be contacted by different gears with rear axle from the second motor M2, to reduce to rear axle
Pressure.And the high-power power supply by braking branch generated in braking undertakes, and reduces to the electricity in driving circuit
The requirement in source, to save cost.
The embodiment of the present application provides a kind of electric drive circuit of vehicle, can be braked by increasing in driving circuit side
Branch, braking branch can store the part electric energy of the recycling of motor in braking, and be stored in the power supply of braking branch, have
The help motor of effect recycles extra electric energy, and motor can provide bigger braking power in braking, reduce vehicle faster
Speed can reach preferable braking ability from the mechanical braking without the use of brake block.Simultaneously brake branch it is adjustable its
The power of circuit prevents heat excessive, and in driving, braking branch makes to drive by stored energy transfer into driving circuit
Circuit can be used the energy of recycling and provide power, increase whole available electric energy.
Vehicle provided by the embodiments of the present application is introduced below, vehicle described below and a kind of above-described vehicle
Electric drive circuit can correspond to each other reference.
A kind of vehicle may include foregoing circuit.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond scope of the present application.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The electric drive circuit and vehicle of a kind of vehicle provided herein are described in detail above.It answers herein
With specific case, the principle and implementation of this application are described, and the explanation of above example is only intended to help to manage
Solve the present processes and its core concept.It should be pointed out that for those skilled in the art, not departing from
Under the premise of the application principle, can also to the application, some improvement and modification can also be carried out, these improvement and modification also fall into this Shen
It please be in scope of protection of the claims.
Claims (9)
1. a kind of electric drive circuit of vehicle, which is characterized in that including motor circuit, driving circuit, braking branch and control
Device；Wherein the driving circuit, the braking branch are connect two-by-two with the motor circuit, the controller and driving electricity
Road, the braking branch and the motor circuit connect；
The controller when for receiving control instruction, sends control signal to each circuit and the braking branch；Its
In, the control signal includes brake signal and driving signal；
The braking branch, for when receiving the brake signal, adjusting the power of the braking branch and storing electric energy
In the braking branch；For the electric energy in the braking branch will to be stored in when receiving the driving signal
It is delivered in the driving circuit.
2. circuit according to claim 1, which is characterized in that the braking branch includes: uncontrollable rectifier bridge, power control
Circuit, energy transfer circuits, DC power supply and braking branch controller processed；The braking branch is connected by energy transfer circuits
It is connected on the driving circuit, the braking branch is connected on the motor circuit by uncontrollable rectifier bridge；
Wherein, the braking branch controller, for when receiving brake signal, Xiang Suoshu power control circuit to send signal
So that the power control circuit is started to work；When receiving the driving signal, Xiang Suoshu energy transfer circuits send institute
Signal is stated so that the energy transfer circuits are started to work；
The power control circuit, for adjusting the watt level of the braking branch；
The energy transfer circuits, for conveying electric energy to the driving circuit.
3. circuit according to claim 2, which is characterized in that the motor circuit includes: motor,
Wherein, the same port that the driving circuit and the braking branch pass through the motor is connected to the motor circuit
In.
4. circuit according to claim 2, which is characterized in that the motor circuit includes: bimorph transducer winding electric machine；Its
In, the bimorph transducer winding electric machine includes the first stator and the second stator；The driving circuit by first stator with
The motor circuit is connected, and the braking branch is connected by second stator with the motor circuit.
5. circuit according to claim 2, which is characterized in that the motor circuit include: first motor, the second motor,
Clutch and clutch controller on second motor are set；Wherein the first motor is connected to vehicle rear axle
On, second motor is connected on the vehicle rear axle by the clutch；The motor circuit passes through first electricity
Machine is connected in the driving circuit, is connected in the braking branch by second motor；
Wherein, the clutch controller is used for when receiving the brake signal, control clutch closure.
6. circuit according to claim 3, which is characterized in that the braking branch, further includes: transformer；The braking
Branch is connected in the motor circuit by transformer.
7. circuit according to claim 6, which is characterized in that the DC power supply is specially quick charging battery or super electricity
Hold.
8. circuit according to claim 7, which is characterized in that the power control circuit and energy transfer circuits tool
Body uses BUCK circuit or BOOST circuit.
9. a kind of vehicle, which is characterized in that the electric drive electricity including vehicle described in any one of claim 1 to 8 claim
Road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710660533.6A CN109383304A (en) | 2017-08-04 | 2017-08-04 | A kind of electric drive circuit and vehicle of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710660533.6A CN109383304A (en) | 2017-08-04 | 2017-08-04 | A kind of electric drive circuit and vehicle of vehicle |
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| CN109383304A true CN109383304A (en) | 2019-02-26 |
Family
ID=65412588
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710660533.6A Pending CN109383304A (en) | 2017-08-04 | 2017-08-04 | A kind of electric drive circuit and vehicle of vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114514138A (en) * | 2019-07-31 | 2022-05-17 | 博格华纳卢森堡汽车系统公司 | Method for controlling braking of a polyphase electric motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101565138A (en) * | 2009-05-18 | 2009-10-28 | 天津大学 | Discrete self-charging elevator energy feedback device |
| CN101771290A (en) * | 2010-01-29 | 2010-07-07 | 奇瑞汽车股份有限公司 | Electric car power supply and charging and discharging method thereof |
| CN102069721A (en) * | 2010-12-30 | 2011-05-25 | 西安交通大学苏州研究院 | Super capacitor-based electric automobile hybrid power control system |
| CN102491137A (en) * | 2011-12-13 | 2012-06-13 | 南京理工大学 | Double digital signal processor(DSP)-based elevator drive, control and energy conservation integrated system and method |
| US20160362022A1 (en) * | 2012-12-28 | 2016-12-15 | General Electric Company | System and method for determining operational group assignments of vehicles in a vehicle system |
-
2017
- 2017-08-04 CN CN201710660533.6A patent/CN109383304A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101565138A (en) * | 2009-05-18 | 2009-10-28 | 天津大学 | Discrete self-charging elevator energy feedback device |
| CN101771290A (en) * | 2010-01-29 | 2010-07-07 | 奇瑞汽车股份有限公司 | Electric car power supply and charging and discharging method thereof |
| CN102069721A (en) * | 2010-12-30 | 2011-05-25 | 西安交通大学苏州研究院 | Super capacitor-based electric automobile hybrid power control system |
| CN102491137A (en) * | 2011-12-13 | 2012-06-13 | 南京理工大学 | Double digital signal processor(DSP)-based elevator drive, control and energy conservation integrated system and method |
| US20160362022A1 (en) * | 2012-12-28 | 2016-12-15 | General Electric Company | System and method for determining operational group assignments of vehicles in a vehicle system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114514138A (en) * | 2019-07-31 | 2022-05-17 | 博格华纳卢森堡汽车系统公司 | Method for controlling braking of a polyphase electric motor |
| CN114514138B (en) * | 2019-07-31 | 2023-08-29 | 博格华纳卢森堡汽车系统公司 | Method for controlling braking of multiphase motor |
| US11888426B2 (en) | 2019-07-31 | 2024-01-30 | Delphi Automotive Systems Luxembourg Sa | Method of controlling braking of an multi-phase electrical motor |
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Application publication date: 20190226 |