CN108705935A - Control the device and electric vehicle of the generated output of the range extender system of electric vehicle - Google Patents
Control the device and electric vehicle of the generated output of the range extender system of electric vehicle Download PDFInfo
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- CN108705935A CN108705935A CN201810502623.7A CN201810502623A CN108705935A CN 108705935 A CN108705935 A CN 108705935A CN 201810502623 A CN201810502623 A CN 201810502623A CN 108705935 A CN108705935 A CN 108705935A
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- switch tube
- power switch
- electric vehicle
- reactor
- battery
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Classifications
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- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
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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
- Y02T10/62—Hybrid vehicles
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The invention discloses a kind of devices and electric vehicle of the generated output of the range extender system of control electric vehicle.The device includes:Battery and boost conversion unit;Boost conversion unit is connect with battery;ISG controllers are connect with boost conversion unit;Drive motor controller is connect with boost conversion unit and ISG controllers;Boost conversion unit, for when the output power of driving motor is less than or equal to predetermined threshold value, not converted to the voltage of battery;And for when output power is more than predetermined threshold value, it is exported after the voltage of battery is increased to certain voltage value, the technical program, for when electric vehicle suddenly accelerates or climbing process is badly in need of high-power, boost conversion unit increases voltage, the power for being conveyed to driving motor for electric automobile is set to be more than predetermined threshold value, to reduce the energy consumption of electric vehicle.
Description
Technical field
The present invention relates to stroke-increasing electric automobile domains, and in particular to a kind of power generation of the range extender system of control electric vehicle
The device and electric vehicle of power.
Background technology
Attention with country to automotive energy-saving emission-reducing, stroke-increasing electric automobile make automobile research quotient in the height of internal combustion engine
Good compromise point, therefore, stroke-increasing electric automobile are had found between energy consumption, maximum discharge and the low course continuation mileage of pure electric automobile
Increasingly had deep love for by people.But current people are higher and higher to the power performance requirement of stroke-increasing electric automobile, battery
Output voltage limits the peak electrical generation power of startup/generating integrated motor ISG of the electric vehicle of range extender system, cannot
Meet vehicle demand, therefore, there is an urgent need for a kind of devices increasing battery both end voltage.
Invention content
In view of the problems existing in the prior art, it is proposed that a kind of hair of the range extender system of control electric vehicle of the invention
The device and electric vehicle of electrical power, to overcome the above problem or to solve the above problems at least partly.
To achieve the goals above, present invention employs following technical solutions:
According to an aspect of the invention, there is provided a kind of dress of the generated output of the range extender system of control electric vehicle
It sets, which includes:Battery and boost conversion unit;
The input terminal of the boost conversion unit is connect with the battery;
The output end of the boost conversion unit and the startup of the electric vehicle/generating integrated motor ISG controllers
Input terminal connection;The drive motor controller of the electric vehicle is connected to the output end of the boost conversion unit and described
The input terminal of ISG controllers;
The boost conversion unit, the output power for the driving motor in the electric vehicle are less than or equal to default
When threshold value, the output voltage of the battery is not converted, directly exports the raw voltage values of the battery;And it is used for
When the output power of the driving motor of the electric vehicle is more than predetermined threshold value, the output voltage of the battery is increased to centainly
It is exported after voltage value.
Optionally, which further comprises:Control unit;Described control unit is connect with the boost conversion unit;
Described control unit, the output power for the driving motor in the electric vehicle are less than or equal to predetermined threshold value
When, it controls the boost conversion unit and the output voltage of the battery is not converted;And in the electric vehicle
Driving motor output power be more than predetermined threshold value when, control the boost conversion unit and carry the output voltage of the battery
It is exported after height to certain voltage value.
Optionally, the boost conversion unit includes:First capacitor, the second capacitor, reactor, the first power switch
Pipe and the second power switch tube;
One end of first capacitor is connect with one end of one end of the battery and the reactor respectively;Described
The other end of one capacitor is connect with the first end of the other end of the battery and second power switch tube respectively;
The first end of second power switch tube is connect with one end of second capacitor;
The second end of second power switch tube respectively with the other end of the reactor and first power switch
The first end of pipe connects;
The second end of first power switch tube is connect with the other end of second capacitor;
Described control unit respectively with the third end of first power switch tube and second power switch tube
Three ends connect.
Optionally, described when the output power of the driving motor of electric vehicle is more than predetermined threshold value, described control unit
The second power switch tube closure is controlled, the first power switch tube of control disconnects, and at this moment, the electric current of input flows through reactor, with
The electric current that reactor flows through increases, reactor storage energy, when the energy stores in reactor are to certain threshold value, the control
Unit controls the second power switch tube and disconnects, and the first power switch tube of control is closed, and the reactor electric discharge is that the second capacitance fills
Electricity;
It is described when the output power of the driving motor of electric vehicle be less than or equal to predetermined threshold value when, described control unit control
It makes first power switch tube to be closed, the second power switch tube of control disconnects, and the battery current is through reactor and the first work(
Rate switching tube, the driving motor for the electric vehicle provide electric energy.
Optionally, the boost conversion unit includes:First capacitor, the second capacitor, reactor, the first power switch
Pipe, the second power switch tube and switch unit;
One end of first capacitor is single with one end of the battery, one end of the reactor and the switch respectively
The first end connection of member;
The other end of first capacitor respectively with the other end of the battery and second power switch tube
One end connects;
The first end of second power switch tube is connect with one end of second capacitor;
The second end of second power switch tube respectively with the other end of the reactor and first power switch
The first end of pipe connects;
The second end of first power switch tube is connect respectively with the other end of second capacitor and the switch
The second end of unit connects;
Described control unit respectively with the third end of first power switch tube, the third of second power switch tube
End is connected with the third end of the switch unit;
Optionally, described when the output power of the driving motor of electric vehicle is more than predetermined threshold value, described control unit
The switch unit is controlled to disconnect, control the second power switch tube closure, control the first power switch tube disconnection, at this moment,
The electric current of input flows through reactor, as the electric current that reactor flows through increases, reactor storage energy, when the energy in reactor
When storing certain threshold value, described control unit control the switch unit disconnect, control second power switch tube disconnect,
The first power switch tube closure is controlled, the reactor electric discharge is the second capacitor charging;
It is described when the output power of the driving motor of the electric vehicle is less than or equal to predetermined threshold value, the control is singly
Member controls the switch unit and is closed, and the electric current flows through the switch unit and provides electricity for the driving motor of the electric vehicle
Energy.
According to another aspect of the present invention, a kind of electric vehicle is provided, the electric vehicle includes as any of the above-described
The device of the generated output of the range extender system of control electric vehicle described in.
It can be seen from the above, the technical scheme is that boost conversion unit is opened with battery and electric vehicle respectively
Dynamic/generating integrated motor ISG controllers connection;Drive motor controller is connected on boost conversion unit and ISG controllers;
When electric vehicle suddenly accelerates or climbing needs high-power in the process, boosting conversion unit increases the output voltage at battery both ends,
Make motor ISG output high-powers to driving motor, reduces the energy consumption of electric vehicle;In addition, boost conversion unit is connected to
Between battery and driving motor, the line footpath for reducing DC dynamo harness is also helped, weight is effectively reduced, it is cost-effective.
Description of the drawings
Fig. 1 is a kind of dress of the generated output of the range extender system of control electric vehicle provided by one embodiment of the present invention
The structural schematic diagram set;
Fig. 2 is a kind of dress of the generated output of the range extender system of control electric vehicle provided by one embodiment of the present invention
The structural schematic diagram set;
Fig. 3 is the attachment structure schematic diagram of the operation principle of the electric vehicle of the present embodiment 1;
Fig. 4 is the attachment structure schematic diagram of the operation principle of the electric vehicle of the present embodiment 2;
Fig. 5 is a kind of structural schematic diagram of electric vehicle provided by one embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of dress of the generated output of the range extender system of control electric vehicle provided by one embodiment of the present invention
Set structural schematic diagram.As shown in Figure 1, the device 100 includes:Battery 110 and boost conversion unit 120;
The input terminal of boost conversion unit 120 is connect with battery 110;
The startup of the output end and electric vehicle of boost conversion unit 120/generating integrated motor ISG controllers 130
Input terminal connects;The drive motor controller 140 of electric vehicle is connected to output end and the ISG controls of boost conversion unit 120
The input terminal of device 130;
Boost conversion unit 120, the output power for the driving motor in electric vehicle are less than or equal to predetermined threshold value
When, the output voltage of battery is not converted, directly exports the raw voltage values of battery;And for the drive in electric vehicle
When the output power of dynamic motor is more than predetermined threshold value, exported after the output voltage of battery is increased to certain voltage value.
The technical scheme is that by boost conversion unit respectively with the startup of battery and electric vehicle/generating integrated
Motor ISG controllers connect;Drive motor controller is connected on boost conversion unit and ISG controllers;When electric vehicle urgency
When accelerating or needing high-power during climbing, boosting conversion unit increases the output voltage at battery both ends, and motor ISG is made to export
High power is cost-effective to reduce the energy consumption of electric vehicle to driving motor.
Fig. 2 is a kind of dress of the generated output of the range extender system of control electric vehicle provided by one embodiment of the present invention
The structural schematic diagram set.As shown in Fig. 2,
In one embodiment of the invention, device shown in FIG. 1 further comprises:Control unit 150;Control unit
150 connect with boost conversion unit 120;
Control unit 150, when the output power for the driving motor in electric vehicle is less than or equal to predetermined threshold value, control
Boost conversion unit 120 processed is not converted the output voltage of battery 110;And for the driving motor in electric vehicle
When output power is more than predetermined threshold value, the output voltage of battery 110 is increased to certain voltage value by control boost conversion unit 120
After export.
In the present embodiment, control unit is control boost conversion cell operation, the control unit with electric automobile whole
Between mutually communicate.For example, when the control unit of vehicle detects that the resistance that vehicle wheel rotation is subject to reaches certain threshold value, communication
To the control unit in the present embodiment, the control unit control boost conversion unit in the present embodiment boosts.
Two different specific embodiments are set forth below come the operation principle of the electric vehicle illustrated.
Embodiment 1
Fig. 3 is the attachment structure schematic diagram of the operation principle of the electric vehicle of the present embodiment 1.As shown in figure 3, in this implementation
In example 1, boost conversion unit includes:First capacitor, the second capacitor, reactor, the first power switch tube and the second power
Switching tube;
One end of first capacitor is connect with one end of one end of battery and reactor respectively;The other end of first capacitor
It is connect respectively with the first end of the other end of battery and the second power switch tube;The first end of second power switch tube and the second electricity
One end of container connects;The second end of second power switch tube respectively with the other end of reactor and the first power switch tube
One end connects;The second end of first power switch tube is connect with the other end of the second capacitor;Control unit respectively with the first work(
The third end of rate switching tube is connected with the third end of the second power switch tube.
In this implementation 1, as shown in figure 3, the input terminal of boost conversion unit is connect with battery;Boost conversion unit it is defeated
The input terminal of the startup of outlet and electric vehicle/generating integrated motor ISG controllers connects;The driving motor control of electric vehicle
Device processed is connected to the input terminal of the output end and ISG controllers of boost conversion unit;Drive motor controller connects with driving motor
It connects, driving motor is connect with wheel, and ISG controllers are connect with ISG motors, and ISG motors are connect with generator.
When the output power of the driving motor of electric vehicle is less than or equal to predetermined threshold value.For example, electric vehicle is at the uniform velocity
Traveling, control unit control the first power switch tube and are closed, and the second power switch tube of control disconnects, battery current through reactor and
First power switch tube provides electric energy for the driving motor of electric vehicle.At this moment reactor is resistance, and the voltage in circuit is without change
Change, i.e., the voltage in the first capacitor and the second capacitor is equal, as the voltage at battery both ends, when battery capacity is less than certain
When threshold value, control unit controls ISG motors and starts to work, and provides electric energy for battery and driving motor, at this moment the output of ISG motors
Power is the power exported under battery both end voltage.
But when the output power of the driving motor of electric vehicle is more than predetermined threshold value.For example, electric vehicle is in anxious acceleration
Or when climbing, control unit controls boost conversion cell operation, and at this moment battery discharge charges for the first capacitor, and control boosting turns
Change cell operation, i.e. control unit controls the second power switch tube and is closed, and the first power switch tube of control disconnects, at this moment, input
Electric current flow through reactor, the electric current flowed through with reactor increases, reactor storage energy, when the energy stores in reactor
When to certain threshold value, control unit controls the second power switch tube and disconnects, and the first power switch tube of control is closed, reactor electric discharge
It charges for the second capacitor;ISG motors are according to the second condenser voltage output power to driving motor.
It should be noted that ISG motors are according to the power for filling the primary raised voltage output of electricity to the second capacitor, often
Electric vehicle high power for needing when suddenly accelerating or climbing cannot be met, so for meet demand, to the second capacitor into
Row repeatedly charges and increases the voltage of the second capacitor.For example, the initial voltage at battery both ends is 350V, when electric vehicle suddenly accelerates
Or the power needed when climbing is, the output power under 600V voltages is that at this moment the voltage for the charging of the first capacitor is
350V need to reach 600V for the charging of the second capacitor;At this moment control unit controls boost conversion cell operation, that is, controls the second work(
Rate switching tube is closed, and the first power switch tube of control disconnects, since the electric current at this moment inputted flows through reactor, with reactor stream
The electric current crossed increases, reactor storage energy, when the energy stores in reactor are to certain threshold value, control unit control second
Power switch tube disconnects, and the first power switch tube of control is closed, and reactor electric discharge is that the second capacitor charges;If being second at this time
Voltage after capacitor charging is 500V, and boost conversion unit need to repeat carry out aforesaid operations, until bring the voltage up to
600V.As it can be seen that after boost conversion unit increases the voltage at battery both ends, it is remarkably improved the peak electrical generation of ISG motors
Power preferably meets the power performance of vehicle.
Embodiment 2
Fig. 4 is the attachment structure schematic diagram of the operation principle of the electric vehicle of the present embodiment 2.As shown in figure 4, in this implementation
In example 2, boost conversion unit includes:First capacitor, the second capacitor, reactor, the first power switch tube, the second power are opened
Close pipe and switch unit;One end of first capacitor respectively with one end of battery, one end of reactor and switch unit first
End connection;The other end of first capacitor is connect with the first end of the other end of battery and the second power switch tube respectively;Second
The first end of power switch tube is connect with one end of the second capacitor;The second end of second power switch tube respectively with reactor
The first end of the other end and the first power switch tube connects;The second end of first power switch tube is another with the second capacitor respectively
One end connection is connected with the second end of switch unit;Control unit respectively with the third end of the first power switch tube, the second power
The third end of switching tube is connected with the third end of switch unit.
In the present embodiment 2, as shown in figure 4, the input terminal of boost conversion unit is connect with battery;Boost conversion unit
The input terminal of the startup of output end and electric vehicle/generating integrated motor ISG controllers connects;The driving motor of electric vehicle
Controller is connected to the input terminal of the output end and ISG controllers of boost conversion unit;Drive motor controller and driving motor
Connection, driving motor are connect with wheel, and ISG controllers are connect with ISG motors, and ISG motors are connect with generator.
When the output power of the driving motor of electric vehicle is less than or equal to predetermined threshold value.For example, electric vehicle is at the uniform velocity
Traveling, control unit control switch unit and are closed, and battery current provides electric energy through switch unit for driving motor.Because of switch unit
Conducting wire is equivalent to when closure, at this moment the voltage for the first capacitor and the charging of the second capacitor is equal, as the electricity at battery both ends
Pressure, when battery capacity is less than certain threshold value, control unit controls ISG motors and starts to work, and is provided for battery and driving motor
Electric energy, at this moment the output power of ISG motors is the power exported under battery both end voltage.
It should be noted that in the present embodiment 2, preset when the output power of the driving motor of electric vehicle is less than or equal to
When threshold value, the switch unit of battery current warp is equivalent to conducting wire, is equivalent to compared to what the battery current in embodiment 1 flowed through
The reactor of resistance, reduces electric energy loss, increases the running time of electric vehicle.
When the output power of the driving motor of electric vehicle need to be more than predetermined threshold value.For example, electric vehicle is in anxious acceleration
Or when climbing, control unit controls boost conversion cell operation, and at this moment battery discharge charges for the first capacitor, and control boosting turns
Cell operation to be changed, that is, controls switch unit, control the second power switch tube closure, the first power switch tube of control disconnects,
At this moment, the electric current of input flows through reactor, as the electric current that reactor flows through increases, reactor storage energy, when in reactor
Energy stores to certain threshold value when, control unit controls switch unit, controls the disconnection of the second power switch tube, control the
One power switch tube is closed, and reactor electric discharge is that the second capacitor charges;ISG motors are according to the second condenser voltage output power
To driving motor.
It should be noted that ISG motors are according to the power for filling the primary raised voltage output of electricity to the second capacitor, often
Electric vehicle high power for needing when suddenly accelerating or climbing cannot be met, so for meet demand, to the second capacitor into
Row repeatedly charges and increases the voltage of the second capacitor.For example, the initial voltage at battery both ends is 350V, when electric vehicle suddenly accelerates
Or the power needed when climbing is, the output power under 600V voltages is that at this moment the voltage for the charging of the first capacitor is
350V need to reach 600V for the charging of the second capacitor;At this moment control unit controls boost conversion cell operation, that is, controls the second work(
Rate switching tube is closed, and the first power switch tube of control disconnects, since the electric current at this moment inputted flows through reactor, with reactor stream
The electric current crossed increases, reactor storage energy, when the energy stores in reactor are to certain threshold value, control unit control second
Power switch tube disconnects, and the first power switch tube of control is closed, and reactor electric discharge is that the second capacitor charges;If being second at this time
Voltage after capacitor charging is 500V, and boost conversion unit need to repeat carry out aforesaid operations, until bring the voltage up to
600V.As it can be seen that after boost conversion unit increases the voltage at battery both ends, it is remarkably improved the peak electrical generation of ISG motors
Power preferably meets the power performance of vehicle.
Fig. 5 is a kind of structural schematic diagram for electric vehicle that one embodiment of the present of invention provides.As shown in figure 5, electronic
Automobile 500 includes the device 510 of the generated output of the range extender system of the control electric vehicle described in the various embodiments described above.
Claims (7)
1. a kind of device of the generated output of the range extender system of control electric vehicle, which is characterized in that the device includes:Battery
With boost conversion unit;
The input terminal of the boost conversion unit is connect with the battery;
The output end of the boost conversion unit is defeated with the startup of the electric vehicle/generating integrated motor ISG controllers
Enter end connection;The drive motor controller of the electric vehicle is connected to the output end of the boost conversion unit and the ISG
The input terminal of controller;
The boost conversion unit, the output power for the driving motor in the electric vehicle are less than or equal to predetermined threshold value
When, the output voltage of the battery is not converted, directly exports the raw voltage values of the battery;And for described
When the output power of the driving motor of electric vehicle is more than predetermined threshold value, the output voltage of the battery is increased to certain voltage
It is exported after value.
2. device as described in claim 1, which is characterized in that the device further comprises:Control unit;Described control unit
It is connect with the boost conversion unit;
Described control unit, when the output power for the driving motor in the electric vehicle is less than or equal to predetermined threshold value,
The boost conversion unit is controlled not convert the output voltage of the battery;And for the drive in the electric vehicle
When the output power of dynamic motor is more than predetermined threshold value, controls the boost conversion unit and be increased to the output voltage of the battery
It is exported after certain voltage value.
3. device as claimed in claim 2, which is characterized in that the boost conversion unit includes:First capacitor, the second electricity
Container, reactor, the first power switch tube and the second power switch tube;
One end of first capacitor is connect with one end of one end of the battery and the reactor respectively;First electricity
The other end of container is connect with the first end of the other end of the battery and second power switch tube respectively;
The first end of second power switch tube is connect with one end of second capacitor;
The second end of second power switch tube respectively with the other end of the reactor and first power switch tube
First end connects;
The second end of first power switch tube is connect with the other end of second capacitor;
The described control unit third end with the third end of first power switch tube and second power switch tube respectively
Connection.
4. device as claimed in claim 3, which is characterized in that described when the output power of the driving motor of electric vehicle is more than
When predetermined threshold value, described control unit controls the second power switch tube and is closed, and the first power switch tube of control disconnects, at this moment, defeated
The electric current entered flows through reactor, as the electric current that reactor flows through increases, reactor storage energy, when the energy in reactor is deposited
When storing up certain threshold value, described control unit controls the second power switch tube and disconnects, and the first power switch tube of control is closed, described
Reactor electric discharge is the second capacitor charging;
It is described when the output power of the driving motor of electric vehicle be less than or equal to predetermined threshold value when, described control unit control institute
The first power switch tube closure is stated, the second power switch tube of control disconnects, and the battery current is opened through reactor and the first power
Guan Guan, the driving motor for the electric vehicle provide electric energy.
5. device as claimed in claim 2, which is characterized in that the boost conversion unit includes:First capacitor, the second electricity
Container, reactor, the first power switch tube, the second power switch tube and switch unit;
One end of first capacitor respectively with one end of the battery, one end of the reactor and the switch unit
First end connects;
The other end of first capacitor first end with the other end of the battery and second power switch tube respectively
Connection;
The first end of second power switch tube is connect with one end of second capacitor;
The second end of second power switch tube respectively with the other end of the reactor and first power switch tube
First end connects;
The second end of first power switch tube is connect respectively with the other end of second capacitor and the switch unit
Second end connection;
Described control unit respectively with the third end of first power switch tube, second power switch tube third end and
The third end of the switch unit connects.
6. device as claimed in claim 5, which is characterized in that described when the output power of the driving motor of electric vehicle is more than
When predetermined threshold value, described control unit control the switch unit disconnect, control second power switch tube be closed, control the
One power switch tube disconnects, and at this moment, the electric current of input flows through reactor, and as the electric current that reactor flows through increases, reactor is deposited
Energy storage capacity, when the energy stores in reactor are to certain threshold value, described control unit controls the switch unit and disconnects, controls
Second power switch tube disconnects, the first power switch tube of control is closed, and the reactor electric discharge is the second capacitor charging;
It is described when the output power of the driving motor of the electric vehicle be less than or equal to predetermined threshold value when, described control unit control
It makes the switch unit to be closed, the electric current flows through the switch unit and provides electric energy for the driving motor of the electric vehicle.
7. a kind of electric vehicle, which is characterized in that the electric vehicle includes control electricity as claimed in any one of claims 1 to 6
The device of the generated output of the range extender system of electrical automobile.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810502623.7A CN108705935A (en) | 2018-05-23 | 2018-05-23 | Control the device and electric vehicle of the generated output of the range extender system of electric vehicle |
PCT/CN2019/076918 WO2019223396A1 (en) | 2018-05-23 | 2019-03-05 | Device for controlling electrical power generation of range extender system of electric automobile and electric automobile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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WO2019223396A1 (en) * | 2018-05-23 | 2019-11-28 | 精进电动科技股份有限公司 | Device for controlling electrical power generation of range extender system of electric automobile and electric automobile |
CN113060017A (en) * | 2021-01-14 | 2021-07-02 | 万向集团公司 | Range extender system with variable maximum power and control method thereof |
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CN101003259A (en) * | 2006-01-18 | 2007-07-25 | 通用电气公司 | Vehicle propulsion system |
CN101992678A (en) * | 2009-08-11 | 2011-03-30 | 通用电气公司 | System for multiple energy storage and management and method of making same |
CN104175896A (en) * | 2014-07-28 | 2014-12-03 | 浙江大学 | Whole-vehicle energy management controller for internal-combustion generating extended-range electric vehicle |
JP2014231324A (en) * | 2013-05-30 | 2014-12-11 | 富士重工業株式会社 | Power supply unit |
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CN108705935A (en) * | 2018-05-23 | 2018-10-26 | 精进电动科技股份有限公司 | Control the device and electric vehicle of the generated output of the range extender system of electric vehicle |
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CN101003259A (en) * | 2006-01-18 | 2007-07-25 | 通用电气公司 | Vehicle propulsion system |
CN101992678A (en) * | 2009-08-11 | 2011-03-30 | 通用电气公司 | System for multiple energy storage and management and method of making same |
JP2014231324A (en) * | 2013-05-30 | 2014-12-11 | 富士重工業株式会社 | Power supply unit |
CN104175896A (en) * | 2014-07-28 | 2014-12-03 | 浙江大学 | Whole-vehicle energy management controller for internal-combustion generating extended-range electric vehicle |
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Publication number | Priority date | Publication date | Assignee | Title |
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WO2019223396A1 (en) * | 2018-05-23 | 2019-11-28 | 精进电动科技股份有限公司 | Device for controlling electrical power generation of range extender system of electric automobile and electric automobile |
CN113060017A (en) * | 2021-01-14 | 2021-07-02 | 万向集团公司 | Range extender system with variable maximum power and control method thereof |
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