CN102738878A - Charging/inverting integrated device for pure electric vehicle - Google Patents
Charging/inverting integrated device for pure electric vehicle Download PDFInfo
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- CN102738878A CN102738878A CN2012102463259A CN201210246325A CN102738878A CN 102738878 A CN102738878 A CN 102738878A CN 2012102463259 A CN2012102463259 A CN 2012102463259A CN 201210246325 A CN201210246325 A CN 201210246325A CN 102738878 A CN102738878 A CN 102738878A
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Abstract
The invention discloses a charging/inverting integrated device for a pure electric vehicle. A main control circuit outputs a control signal to a drive module, and the drive module carries out amplification and isolation on the control signal and outputs to a power electronic module; the power electronic module is connected with a charging branch circuit through a first system switching device, and the charging branch circuit is connected to 220V AC (alternate current); and the power electronic module is connected with a motor through a second system switching device. The integrated design enables the structural design of the equipment in the vehicle to be more closed, so that the volume density and weight of the vehicle-mounted equipment are reduced, thereby improving the utilization rate of the equipment; the power electronic module in the motor control system is fully used; the first system switching device and the second system switching device can reliably and effectively switch the working states of the power electronic module; and the two working modes enable the networking of the electric vehicle and the electric network to be possible. Thus, the electric vehicle can act as a distributed energy source or electric network controllable load, thereby realizing the bidirectional flow of the vehicle and electric network energy.
Description
Technical field
The invention belongs to the power electronics transmission field, particularly a kind of charging inversion integrated apparatus of pure electric automobile.
Background technology
Flourish along with new-energy automobile, some technological development relevant with pure electric automobile have researching value and market prospects.Traditional pure electric automobile generally all comprises charging system and the relatively independent equipment of electric machine control system two covers.
The inventor finds to exist at least in the prior art following shortcoming and defect in realizing process of the present invention:
Charging system and electric machine control system have all been used power electronic power device, and independent design has not only increased the volume and weight of mobile unit, and usage ratio of equipment is not high yet simultaneously.In the design of the dynamical system of existing pure electric automobile, how the two rational and effective is combined and be one problem to be solved is arranged.
Summary of the invention
The invention provides a kind of charging inversion integrated apparatus of pure electric automobile, the present invention has realized effective combination of charging system and electric machine control system, has reduced the volume and weight of mobile unit, has improved usage ratio of equipment; Realized the bi-directional conversion of electrical network and electric automobile energy, seen hereinafter for details and describe:
A kind of charging inversion integrated apparatus of pure electric automobile comprises: governor circuit, and said governor circuit outputs control signals to driver module, and said driver module exports electric power electronic module to after said control signal is amplified isolation; Said electric power electronic module connects charging paths through first system's switching device shifter, and said charging paths meets 220VAC; Said electric power electronic module connects motor through second system's switching device shifter; Said electric power electronic module connects battery.
Between said electric power electronic module, said first system's switching device shifter and said second system's switching device shifter, also be socketed with current sensor.
Said governor circuit comprises: master control function module, motor operation function module and charge function module,
When electric automobile moved, said master control function module switched to the motor operational mode, and said motor operation function module is sent control signal and driven said machine operation; When electric automobile stopped, said master control function module switched to said charge function module, said charging paths work.
Said first system's switching device shifter comprises: the 5th contactor and the 6th contactor,
Said the 5th contactor and said the 6th contactor are connected between said electric power electronic module and the said charging paths.
Said second system's switching device shifter comprises: first contactor, second contactor and the 3rd contactor,
Said first contactor, said second contactor and said the 3rd contactor are connected between said electric power electronic module and the said motor.
Said charging paths comprises: power factor correction module, first suppresses differential mode inductance, second and suppresses differential mode inductance, suppresses common mode inductance and the 4th contactor,
One end of said inhibition common mode inductance connects said first system's switching device shifter; The other end connects said first respectively and suppresses an end of differential mode inductance and an end of the said second inhibition differential mode inductance, and the other end that the other end of the said first inhibition differential mode inductance and said second suppresses differential mode inductance is connected said power factor correction module respectively; Said power factor correction module meets said 220VAC through said the 4th contactor.
Said electric power electronic module comprises: first power device, second power device, the 3rd power device, the 4th power device, the 5th power device, the 6th power device, first fly-wheel diode, second fly-wheel diode, the 3rd fly-wheel diode, the 4th fly-wheel diode, the 5th fly-wheel diode and the 6th fly-wheel diode
When said motor moved, said first power device, said second power device, said the 3rd power device, said the 4th power device, said the 5th power device, said the 6th power device, said first fly-wheel diode, said second fly-wheel diode, said the 3rd fly-wheel diode, said the 4th fly-wheel diode, said the 5th fly-wheel diode and said the 6th fly-wheel diode were formed three-phase bridge circuit;
When said battery charge, said first power device, said second power device, said the 3rd power device, said the 4th power device, said first fly-wheel diode, said second fly-wheel diode, said the 3rd fly-wheel diode and said the 4th fly-wheel diode are formed H bridge circuit mutually.
The beneficial effect of technical scheme provided by the invention is: make that through incorporate design the in-vehicle device structural design is tightr, the mobile unit bulk density reduces, weight saving, has improved usage ratio of equipment; Electric power electronic module in the electric machine control system is fully used; The operating state of first system's switching device shifter and the reliable and effective switching electric power electronic module of second system's switching device shifter; Two kinds of mode of operations make electric automobile and grid network become possibility, and electric automobile through dispatching of power netwoks, is realized the two-way flow of vehicle and electrical network energy as a distributed energy sources or electrical network controllable burden.
Description of drawings
Fig. 1 is the structural representation of the charging inversion integrated apparatus of a kind of pure electric automobile provided by the invention;
Connection block diagram when Fig. 2 is motor provided by the invention operation;
Connection block diagram when Fig. 3 is a charge operation provided by the invention.
The components listed tabulation is as follows in the accompanying drawing:
10: governor circuit; 20: driver module;
30: electric power electronic module; 40: current sensor;
50: the first system's switching device shifters; 51: the second system's switching device shifters 51;
60: charging paths; 70: motor;
11: the master control function module; 12: motor operation function module;
13: the charge function module; J5: the 5th contactor;
J6: the 6th contactor; J1: first contactor;
J2: second contactor; J3: the 3rd contactor;
J4: the 4th contactor; L1: first suppresses differential mode inductance;
L2: second suppresses differential mode inductance; L3: suppress common mode inductance;
15: battery; T1, T2, T3, T4, T5 and T6: power device;
D1, D2, D3, D4, D5 and D6: fly-wheel diode.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
In order to realize effective combination of charging system and electric machine control system, reduce the volume and weight of mobile unit, improve usage ratio of equipment; Realize the bi-directional conversion of electrical network and electric automobile energy, the embodiment of the invention has proposed a kind of charging inversion integrated apparatus of pure electric automobile, referring to Fig. 1, sees hereinafter for details and describes:
A kind of charging inversion integrated apparatus of pure electric automobile comprises: governor circuit 10,
Wherein, electric power electronic module 30 connects charging paths 60 through first system's switching device shifter 50, and charging paths 60 connects the function that 220VAC has realized rectification or inversion, reaches the two-way flow of electric energy between electrical network and the battery 15; Electric power electronic module 30 connects motor 70 through second system's switching device shifter 51, has driven the operation of motor 70.Detect charging and discharging currents when battery 15 discharges and recharges, detect the electric current of motor 70 during motor 70 operations.
Wherein, between electric power electronic module 30, first system's switching device shifter 50 and second system's switching device shifter 51, also be socketed with current sensor 40, when battery 15 discharged and recharged, current sensor 40 detected charging and discharging currents; When motor 70 operations, current sensor 40 detects the electric current that electric power electronic module 30 outputs to motor 70.
Wherein, referring to Fig. 1, governor circuit 10 comprises: master control function module 11, motor operation function module 12 and charge function module 13,
When electric automobile moved, master control function module 11 switched to the motor operational mode, and motor operation function module 12 is sent 70 work of control signal drive motors; When electric automobile stopped, master control function module 11 switched to charge function module 13, charging paths 60 work.
Realized the co-ordination of charging paths 60 through master control function module 11 with motor 70 operations.The operation of motor operation function module 12 control motors 70; Also can electric energy be fed back to battery 15 during motor 70 generating states; Charge function module 13 control electrical networks give battery 15 chargings, and the electric energy of electrical network reclaims when reaching battery 15 discharges, can control the charging and the discharge of battery 15.
Wherein, referring to Fig. 2 and Fig. 3, first system's switching device shifter 50 comprises: the 5th contactor J5 and the 6th contactor J6,
The 5th contactor J5 and the 6th contactor J6 are connected between electric power electronic module 30 and the charging paths 60.
Second system's switching device shifter 51 comprises: the first contactor J1, the second contactor J2 and the 3rd contactor J3,
The first contactor J1, the second contactor J2 and the 3rd contactor J3 are connected between electric power electronic module 30 and the motor 70.
Wherein, referring to Fig. 1, charging paths 60 comprises: power factor correction module 14, first suppresses differential mode inductance L1, second and suppresses differential mode inductance L2, suppresses common mode inductance L3 and the 4th contactor J4,
An end that suppresses common mode inductance L3 connects first system's switching device shifter 50; The other end connects first respectively and suppresses the end of differential mode inductance L1 and the end of the second inhibition differential mode inductance L2, and the other end that the other end and second of the first inhibition differential mode inductance L1 suppresses differential mode inductance L2 is connected power factor correction module 14 respectively; Power factor correction module 14 meets 220VAC through the 4th contactor J4.During charging, charging paths 60 is connected between line voltage 220VAC and the electric power electronic module 30, and the electric energy that battery 15 discharge feeds back to electrical network carries out power factor correction, and the electric energy of input and output is disturbed inhibition.
Electric power electronic module 30 comprises: the first power device T1, the second power device T2, the 3rd power device T3, the 4th power device T4, the 5th power device T5, the 6th power device T6, first sustained diode 1, second sustained diode 2, the 3rd sustained diode 3, the 4th sustained diode 4, the 5th sustained diode 5 and the 6th sustained diode 6
When motor 70 operation, the first power device T1, the second power device T2, the 3rd power device T3, the 4th power device T4, the 5th power device T5, the 6th power device T6, first sustained diode 1, second sustained diode 2, the 3rd sustained diode 3, the 4th sustained diode 4, the 5th sustained diode 5 and the 6th sustained diode 6 are formed three-phase bridge circuits;
When battery 15 charging, the first power device T1, the second power device T2, the 3rd power device T3, the 4th power device T4, first sustained diode 1, second sustained diode 2, the 3rd sustained diode 3 are formed H bridge circuit mutually with the 4th sustained diode 4.
Referring to Fig. 2, when motor 70 operations, the first contactor J1, the second contactor J2 and the 3rd contactor J3 closure are connected between electric power electronic module 30 and the motor 70; The 5th contactor J5 and the 6th contactor J6 are in off-state.Six power devices (T1, T2, T3, T4, T5 and T6) and six fly-wheel diodes (D1, D2, D3, D4, D5 and D6) of electric power electronic module 30 are formed three-phase bridge circuit during motor 70 operations; The three-phase output point of electric power electronic module 30 is the intermediate point 1 of the brachium pontis be made up of T1, T2, D1 and D2; T3, T4, D3 and D4 form the intermediate point 2 of brachium pontis; The brachium pontis intermediate point of forming by T5, T6, D5 and D6 3; The output point 1,2 and 3 of three brachium pontis is connected to motor 70, and the DC bus-bar voltage of electric power electronic module 30 is provided by battery 15.The control end of the power device of electric power electronic module 30 (T1, T2, T3, T4, T5 and T6) is connected to driver module 20; Give driver module 20 by governor circuit 10 output control signals, export to the control end of the power device (T1, T2, T3, T4, T5 and T6) of electric power electronic module 30 after driver module 20 is isolated the control signal amplification.
Referring to Fig. 3, during battery 15 charge operations, the 5th contactor J5 and the 6th contactor J6 closure are connected between electric power electronic module 30 and the charging paths 60; The first contactor J1, the second contactor J2 and the 3rd contactor J3 are in off-state at this moment.Four power devices (T1, T2, T3 and T4) of electric power electronic module 30 and four fly-wheel diodes (D1, D2, D3 and D4) are formed H bridge circuit mutually during battery 15 chargings, and the brachium pontis of being made up of T5, T6, D5 and D6 does not insert charging paths 60.The electric current input/output point of electric power electronic module 30 is the intermediate point 1 of the brachium pontis be made up of T1, T2, D1 and D2; T3, T4, D3 and D4 form the intermediate point 2 of brachium pontis; Be connected to charging paths 60, the DC bus-bar voltage of electric power electronic module 30 links to each other with battery 15.The control end of the power device of electric power electronic module 30 (T1, T2, T3 and T4) is connected to driver module 20; Give driver module 20 by governor circuit 10 output control signals, export to the control end of the power device (T1, T2, T3 and T4) of electric power electronic module 30 after driver module 20 is isolated the control signal amplification.The H bridge circuit that electric power electronic module 30 is formed when battery 15 chargings carries out rectification to the 220V single-phase alternating current of electrical network input; When battery 15 discharge, also can energy be fed back to electrical network, realize the two-way flow of energy between this charging inversion integrated apparatus and the electrical network through electric power electronic module 30.
In sum, the embodiment of the invention provides a kind of charging inversion integrated apparatus of pure electric automobile, makes that through incorporate design the in-vehicle device structural design is tightr, and the mobile unit bulk density reduces, weight saving, has improved usage ratio of equipment; Electric power electronic module in the electric machine control system is fully used; The operating state of first system's switching device shifter and the reliable and effective switching electric power electronic module of second system's switching device shifter; Two kinds of mode of operations make electric automobile and grid network become possibility, and electric automobile through dispatching of power netwoks, is realized the two-way flow of vehicle and electrical network energy as a distributed energy sources or electrical network controllable burden.
It will be appreciated by those skilled in the art that accompanying drawing is the sketch map of a preferred embodiment, the invention described above embodiment sequence number is not represented the quality of embodiment just to description.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the charging inversion integrated apparatus of a pure electric automobile; Comprise: governor circuit (10); It is characterized in that; Said governor circuit (10) outputs control signals to driver module (20), and said driver module (20) exports electric power electronic module (30) to after said control signal is amplified isolation; Said electric power electronic module (30) connects charging paths (60) through first system's switching device shifter (50), and said charging paths (60) meets 220VAC; Said electric power electronic module (30) connects motor (70) through second system's switching device shifter (51); Said electric power electronic module (30) connects battery (15).
2. the charging inversion integrated apparatus of a kind of pure electric automobile according to claim 1; It is characterized in that, between said electric power electronic module (30), said first system's switching device shifter (50) and said second system's switching device shifter (51), also be socketed with current sensor (40).
3. the charging inversion integrated apparatus of a kind of pure electric automobile according to claim 1 is characterized in that, said governor circuit (10) comprising: master control function module (11), motor operation function module (12) and charge function module (13),
When electric automobile moved, said master control function module (11) switched to the motor operational mode, and said motor operation function module (12) is sent control signal and driven said motor (70) work; When electric automobile stopped, said master control function module (11) switched to said charge function module (13), said charging paths (60) work.
4. the charging inversion integrated apparatus of a kind of pure electric automobile according to claim 1 is characterized in that, said first system's switching device shifter (50) comprising: the 5th contactor (J5) and the 6th contactor (J6),
Said the 5th contactor (J5) and said the 6th contactor (J6) are connected between said electric power electronic module (30) and the said charging paths (60).
5. the charging inversion integrated apparatus of a kind of pure electric automobile according to claim 1 is characterized in that, said second system's switching device shifter (51) comprising: first contactor (J1), second contactor (J2) and the 3rd contactor (J3),
Said first contactor (J1), said second contactor (J2) and said the 3rd contactor (J3) are connected between said electric power electronic module (30) and the said motor (70).
6. according to the charging inversion integrated apparatus of claim 1 or 4 described a kind of pure electric automobiles; It is characterized in that; Said charging paths (60) comprising: power factor correction module (14), first suppresses differential mode inductance (L1), second and suppresses differential mode inductance (L2), suppresses common mode inductance (L3) and the 4th contactor (J4)
One end of said inhibition common mode inductance (L3) connects said first system's switching device shifter (50); The other end connects said first respectively and suppresses an end of differential mode inductance (L1) and an end of the said second inhibition differential mode inductance (L2), and the other end that the other end of the said first inhibition differential mode inductance (L1) and said second suppresses differential mode inductance (L2) is connected said power factor correction module (14) respectively; Said power factor correction module (14) meets said 220VAC through said the 4th contactor (J4).
7. the charging inversion integrated apparatus of a kind of pure electric automobile according to claim 1; It is characterized in that; Said electric power electronic module (30) comprising: first power device (T1); Second power device (T2); The 3rd power device (T3); The 4th power device (T4); The 5th power device (T5); The 6th power device (T6); First fly-wheel diode (D1); Second fly-wheel diode (D2); The 3rd fly-wheel diode (D3); The 4th fly-wheel diode (D4); The 5th fly-wheel diode (D5) and the 6th fly-wheel diode (D6)
When said motor (70) moved, said first power device (T1), said second power device (T2), said the 3rd power device (T3), said the 4th power device (T4), said the 5th power device (T5), said the 6th power device (T6), said first fly-wheel diode (D1), said second fly-wheel diode (D2), said the 3rd fly-wheel diode (D3), said the 4th fly-wheel diode (D4), said the 5th fly-wheel diode (D5) and said the 6th fly-wheel diode (D6) were formed three-phase bridge circuit;
When said battery (15) charged, said first power device (T1), said second power device (T2), said the 3rd power device (T3), said the 4th power device (T4), said first fly-wheel diode (D1), said second fly-wheel diode (D2), said the 3rd fly-wheel diode (D3) and said the 4th fly-wheel diode (D4) were formed H bridge circuit mutually.
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| CN2012102463259A CN102738878A (en) | 2012-07-17 | 2012-07-17 | Charging/inverting integrated device for pure electric vehicle |
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| CN2012102463259A CN102738878A (en) | 2012-07-17 | 2012-07-17 | Charging/inverting integrated device for pure electric vehicle |
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Cited By (5)
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| WO2015096224A1 (en) * | 2013-12-27 | 2015-07-02 | 大洋电机新动力科技有限公司 | Motor controller integrated with drive, charging and discharging functions |
| CN104767310A (en) * | 2015-04-15 | 2015-07-08 | 哈尔滨工业大学 | Parallel connection method and series connection method for motor windings of three-phase non-isolated integrated vehicle-mounted charger |
| CN104426218B (en) * | 2013-09-09 | 2017-04-12 | Ls产电株式会社 | Operating method of inverter-charger integration apparatus for electric vehicle |
| WO2017101831A1 (en) * | 2015-12-18 | 2017-06-22 | 比亚迪股份有限公司 | Electric automobile, on-board charger thereof, and on-board charger control method |
| CN108202642A (en) * | 2018-03-22 | 2018-06-26 | 深圳市大地和电气股份有限公司 | Electric vehicle integrated driving system based on two-way inversion charge and discharge |
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Application publication date: 20121017 |