WO2017022477A1 - 充電装置 - Google Patents
充電装置 Download PDFInfo
- Publication number
- WO2017022477A1 WO2017022477A1 PCT/JP2016/071200 JP2016071200W WO2017022477A1 WO 2017022477 A1 WO2017022477 A1 WO 2017022477A1 JP 2016071200 W JP2016071200 W JP 2016071200W WO 2017022477 A1 WO2017022477 A1 WO 2017022477A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- voltage
- converter
- storage battery
- smoothing capacitor
- charging device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
-
- H02J7/50—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
- H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
- H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
- H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/337—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration
- H02M3/3376—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/008—Plural converter units for generating at two or more independent and non-parallel outputs, e.g. systems with plural point of load switching regulators
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
-
- 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
Definitions
- the present invention relates to a charging device.
- Patent Document 1 discloses a method for improving compatibility between a constant current characteristic of low voltage and low current at start-up and a constant current characteristic at normal operation by adding a switch for separating the auxiliary winding circuit and the main circuit. Is disclosed.
- Patent Document 1 has a drawback in that loss generated in the charging device is increased.
- a charging device includes an inverter circuit that inputs a DC voltage to generate a rectangular wave voltage, a transformer that magnetically couples a primary winding and a secondary winding connected between output terminals of the inverter circuit, A resonance capacitor and a resonance inductor connected in series with the primary winding and / or the secondary winding, a rectification circuit that rectifies and outputs an alternating current output to the secondary winding, and an output terminal of the rectification circuit
- a current resonance type converter having a smoothing capacitor connected to the power supply, a DC-DC converter connected between the smoothing capacitor and the storage battery, and a control unit for controlling the current resonance type converter and the DC-DC converter, Before starting the switching operation of the current resonant converter, the control unit boosts the DC-DC converter so that the voltage of the smoothing capacitor is higher than the voltage of the storage battery. Controlled to a constant voltage.
- FIG. 1 is a circuit configuration diagram of the charging device 1 according to the first embodiment.
- the charging device 1 inputs AC power from the AC power source 6 between the terminals T1 and T2, outputs DC power between the terminals T7 and T8, and between the terminals T9 and T10, and charges the storage battery 7 and the storage battery 8. . Further, when the AC power supply 6 is not connected, the charging device 1 performs power conversion between the storage battery 7 and the storage battery 8 and charges the storage battery 8 from the storage battery 7.
- the storage battery 7 is a high voltage battery configured by connecting a plurality of lithium ion batteries or the like
- the storage battery 8 is a low voltage battery such as a lead battery, but the type of storage battery, voltage level, and the like may be different.
- the AC power supply 6 is a commercial power supply, but may be a power generator.
- the charging device 1 includes an AC-DC converter 2 that receives an AC voltage and converts it into a DC voltage, and a current resonance type converter 3 that receives the DC voltage and outputs a DC voltage between terminals T5 and T6.
- the voltage between the terminals T5 and T6 is referred to as a link voltage Vo.
- the charging device 1 further includes a DC-DC converter 4 that performs bidirectional power conversion between the link voltage Vo and the storage battery 7, and a DC-DC converter 5 that inputs the link voltage Vo and charges the storage battery 8.
- the charging device 1 further includes a control unit 9 that controls the AC-DC converter 2, the current resonance type converter 3, and the DC-DC converters 4, 5.
- the AC-DC converter 2 includes bridge-connected diodes D15 to D18, and full-wave rectifies the AC voltage input between the terminals T1 and T2 to convert it into a DC voltage.
- the diodes D15 and D16 and the diodes D17 and D18 are connected in series, and the diodes connected in series are connected in parallel to form a bridge connection.
- the full-wave rectified voltage is input to a boost chopper circuit configured by a reactor L1 connected to a DC terminal, a switching element Q11, a boost diode D30, and a smoothing capacitor C1.
- This boost chopper circuit performs ON / OFF switching operation of the switching element Q11, boosts the full-wave rectified voltage, and outputs it as a smoothed DC voltage between T3 and T4.
- the switching operation signal of the switching element Q11 is output from the control unit 9.
- the AC-DC converter 2 further performs power factor correction control to bring the voltage waveform of the AC power supply 6 and the current waveform input between the terminals T1 and T2 close to a similar waveform.
- the current resonance type converter 3 converts the full-wave rectified DC voltage into an insulated DC voltage.
- the current resonance type converter 3 includes a rectangular wave inverter circuit composed of switching elements Q1 to Q4 and antiparallel diodes D1 to D4.
- the switching elements Q1 and Q2 are connected in series to form a first arm, and the switching elements Q3 and Q4 are connected in series to form a second arm.
- the arms are connected in parallel to form a bridge connection.
- the current resonance type converter 3 has a primary side winding N1 in which a resonance inductor Lr1 and a resonance capacitor Cr1 are connected in series at a connection point between the switching element Q1 and the switching element Q2, and this primary side winding.
- a transformer Tr1 including a secondary winding N2 that is magnetically coupled to N1 is provided.
- the secondary winding N2 of the transformer Tr1 is provided with a rectifier circuit composed of diodes D11 to D14 that are bridge-connected. Between the series connection point of the diodes D11 and D12 and the series connection point of the diodes D13 and D14 is connected between the AC terminals and connected to the secondary winding N2.
- the current resonance type converter 3 configured as described above is a so-called full bridge type LLC current resonance type converter.
- a set of Q1 and Q4 and Q2 and Q3 are alternately turned on / off under the control of the control unit 9, thereby generating a rectangular wave from the voltage of the smoothing capacitor C2.
- Generate alternating voltage the on-duty of the switching elements Q1 to Q4 is basically 50%, and Q1 and Q4 are simultaneously turned on and Q2 and Q3 are simultaneously turned on and off.
- the generated rectangular wave AC voltage is applied to both ends of the series connection body of the resonance capacitor Cr1, the resonance inductor Lr1, and the winding N1 connected between the connection point of the switching elements Q1 and Q2 and the connection point of the switching elements Q3 and Q4. Is done.
- This causes resonance between the resonance capacitor Cr1 and the resonance inductor Lr1, and a resonance current is caused to flow through the winding N1.
- the resonance current flowing through the winding N1 generates an AC induced current in the winding N2.
- the AC induced current is full-wave rectified by a rectifier circuit in which rectifier diodes D11 to D14 are connected in a full bridge, and a DC link voltage Vo smoothed between terminals T5 and T6 by a smoothing capacitor C3 is generated.
- the rectangular wave inverter circuit is not limited to a full bridge configuration, and may be any configuration that allows a resonance current to flow through a series connection body of the resonance capacitor Cr 1, the resonance inductor Lr 1, and the winding N 1.
- the rectifier circuit is not limited to a full-bridge connection of rectifier diodes, and may be any configuration that can rectify an alternating current induced in the winding N2 and convert it into a direct current.
- the resonance capacitor Cr1 and the resonance inductor Lr1 are connected in series with the winding N1, the resonance capacitor Cr1 and the resonance inductor Lr1 may be connected in series with the winding N2.
- a resonance capacitor Cr1 and a resonance inductor Lr1 may be connected in series to the winding N1 and the winding N2, respectively, and the resonance inductor Lr1 may be omitted by using a leakage inductance of the transformer Tr1.
- antiparallel diodes D1 to D4 are connected to the switching elements Q1 to Q4, when a MOSFET is used as the switching elements Q1 to Q4, a parasitic diode of the MOSFET may be used.
- the DC-DC converter 4 is a bidirectional chopper including switching elements Q9 and Q10, and antiparallel diodes D9 and D10 connected in antiparallel to the switching elements Q9 and Q10, choke coil L2, and smoothing capacitors C4 and C5.
- a step-down chopper circuit is configured by the switching element Q9, the antiparallel diode D10 of the switching element Q10, and the choke coil L2, and the switching element Q9 is turned on / off to step down from the link voltage Vo.
- the storage battery 7 is charged.
- the switching element Q10, the antiparallel diode D9 of the switching element Q9, and the choke coil L2 form a boost chopper circuit, and the switching element Q10 is turned on / off to supply the boosted voltage from the storage battery 7 to the link voltage Vo. To do.
- the parasitic diodes Q9 and Q10 can be used as antiparallel diodes.
- the parasitic diode of the MOSFET has poor recovery characteristics, leading to an increase in loss. Therefore, it is preferable to use IGBTs, SiC-MOSFETs, or the like with antiparallel diodes having good recovery characteristics as the switching elements Q9, Q10, and D9, D10.
- the DC-DC converter 5 magnetically couples a pulse wave generation circuit composed of switching elements Q5 to Q8 and antiparallel diodes D5 to D8, a resonance capacitor Cr2, a resonance inductor Lr2, a winding N3 and a winding N4.
- This is a step-down phase shift DC-DC converter provided with a current doubler rectifier circuit composed of a transformer Tr2, rectifier diodes D19 to D20, and choke coils L3 and L4, and smoothing capacitors C6 and C7.
- the pulse wave generation circuit generates an AC pulse voltage waveform by switching with a phase difference between the group of switching elements Q5 and Q8 and the group of switching elements Q6 and Q7.
- the on-duty of the switching elements Q5 to Q8 is basically 50%, and the switching elements Q5 and Q8 are simultaneously turned on and the switching elements Q6 and Q7 are simultaneously turned on / off.
- the generated pulse voltage waveform is applied to both ends of the series connection body of the resonance capacitor Cr2, the resonance inductor Lr2, and the winding N3 connected between the connection point of the switching elements Q5 and Q6 and the connection point of the switching elements Q7 and Q8. Then, a current is passed through the winding N4, and an induced current is generated in the winding N4.
- the induced current in winding N4 is rectified and smoothed to a DC voltage by a current doubler rectifier circuit and a smoothing capacitor C7, and charges storage battery 8.
- the resonant inductor Lr2 can be omitted by using the leakage inductance of the transformer Tr2.
- the current doubler rectifier circuit is not limited to this, and may be any configuration that can rectify an alternating current induced in the winding N4 and convert it into a direct current.
- antiparallel diodes D5 to D8 are connected to switching elements Q5 to Q8, when a MOSFET is used as switching elements Q5 to Q8, a parasitic diode of the MOSFET may be used.
- the control unit 9 controls the switching elements Q1 to Q11 included in the AC-DC converter 2, the current resonance converter 3, the DC-DC converter 4, and the DC-DC converter 5.
- the control unit 9 includes a voltage sensor 21 that detects a full-wave rectified DC voltage, a voltage sensor 22 that detects the output voltage of the AC-DC converter 2, a current sensor 11 that detects the current of the choke coil L1, and a current resonance converter.
- Current sensor 12 for detecting the output current 3
- voltage sensor 23 for detecting the link voltage Vo
- voltage sensor 24 for detecting the voltage of the storage battery 7
- current sensor 13 for detecting the current of the storage battery 7, and the voltage of the storage battery 8.
- the voltage sensor 25 and the current sensor 14 for detecting the current of the storage battery 8 are connected.
- the current resonance type converter 3 is controlled by the control unit 9, and controls the output current or the output voltage by changing the switching frequency of the switching elements Q1 to Q4. Specifically, when the switching frequency is lowered, the impedance of the series connection body of the resonance capacitor Cr1, the resonance inductor Lr1, and the winding N1 is lowered, so that the resonance current and the output current are increased. On the other hand, when the switching frequency is increased, the impedance of the series connection body of the resonance capacitor Cr1, the resonance inductor Lr1, and the winding N1 increases, so that the resonance current and the output current decrease.
- the control unit 9 compares the link voltage Vo detected by the voltage sensor 23 with the target voltage, or compares the output current detected by the current sensor 12 with the target current. Then, based on each comparison result or both comparison results, the current resonance converter 3 is set so that the switching frequency is lowered when the comparison result is less than the target value, and is raised when the comparison result is equal to or higher than the target value. Control.
- FIG. 2 is a diagram showing a characteristic example of the switching frequency and output current of the current resonance type converter 3 provided in the charging device 1 shown in FIG. 2 represents the switching frequency of the switching elements Q1 to Q4 of the current resonant converter 3 in FIG. 1, and the vertical axis represents the output current.
- a curve CV1 is a characteristic curve when the output voltage, that is, the link voltage Vo is low
- a curve CV2 is a characteristic curve when the link voltage Vo is high.
- the curve CV1 when the link voltage Vo is low, the output current cannot be lowered even if the switching frequency is increased. For example, the minimum current I1 flows even at the maximum switching frequency fmax.
- FIG. 3 is a flowchart showing a startup procedure of the charging device 1 in the present embodiment.
- a description will be given with reference to FIG.
- step S100 of FIG. 3 the control unit 9 activates the AC-DC converter 2.
- the AC-DC converter 2 outputs a DC voltage obtained by boosting and smoothing the full-wave rectified voltage between T3 and T4 by the switching operation of the switching element Q11.
- step S ⁇ b> 101 the control unit 9 detects the link voltage Vo by the voltage sensor 23.
- step S102 the control unit 9 detects the voltage of the smoothing capacitor C2 by the voltage sensor 22.
- step S103 the control unit 9 determines whether or not the link voltage Vo is equal to or higher than a predetermined value Va.
- the predetermined value Va corresponds to the voltage indicated by the curve CV2 in FIG. 2, and is a preset value. If the link voltage Vo is equal to or higher than the predetermined value Va, it is not necessary to boost the link voltage Vo, and the process proceeds to step S107. If it is less than the predetermined value Va, the process proceeds to step S104.
- step S104 the control unit 9 starts up the DC-DC converter 4 in a step-up operation. That is, the switching element Q10 is turned on / off to boost the voltage from the storage battery 7 and supply it to the link voltage Vo.
- step S105 the control unit 9 determines whether or not the link voltage Vo is equal to or higher than a predetermined value Va. If it is less than the predetermined value Va, the operation is continued in step S105.
- the link voltage Vo increases by the boost operation of the DC-DC converter 4 and becomes equal to or higher than the predetermined value Va, that is, when the link voltage Vo becomes higher than the voltage of the storage battery 7, the processing from step S105 to step S106 is performed. Move.
- step S106 the control unit 9 stops the step-up operation of the DC-DC converter 4.
- step S107 the current resonance converter 3 is soft-started.
- Soft start is an operation of starting the switching elements Q1 to Q4 from the maximum switching frequency and gradually lowering the switching frequency. When the soft start is completed, the process proceeds to step S108.
- step S108 the control unit 9 starts up the DC-DC converter 4 in a step-down operation. That is, by turning on / off the switching element Q9, the link voltage Vo is stepped down to charge the storage battery 7.
- step S109 the control unit 9 activates the DC-DC converter 5. That is, the switching elements Q5 to Q8 to which the link voltage Vo is applied are subjected to switching control, rectified and smoothed to a DC voltage by the current doubler rectifier circuit and the smoothing capacitor C7, and the storage battery 8 is charged. Thereafter, the DC-DC converters 4 and 5 activated in steps S108 and S109 function as the charging device 1 in the normal operation to charge the storage batteries 7 and 8.
- the switching frequency and output current characteristics of the resonant converter 3 can take the characteristics of CV2 in FIG. Therefore, it is possible to prevent an excessive current from flowing at the time of startup, and it is not necessary to increase the size of the resonance element or the like.
- FIG. 4 is a circuit configuration diagram of the charging device 1 according to the second embodiment. 4 differs from the charging device 1 shown in FIG. 1 in the configuration of the DC-DC converter 4 ′ and the configuration of the DC-DC converter 5 ′. The same parts as those of the charging device 1 shown in FIG.
- the DC-DC converter 5 is a bidirectional insulated DC-DC converter that can charge the storage battery 8 from the storage battery 7 or the storage battery 7 from the storage battery 8.
- the DC-DC converter 5 ' has a configuration in which the diodes D19 and D20 of the rectifier circuit described in the DC-DC converter 5 in FIG. 1 are replaced with switching elements Q23 and Q24 and antiparallel diodes D23 and D24.
- the operation of charging the storage battery 8 from the voltage of the smoothing capacitor C6 is the same as that of the first embodiment.
- this rectifier circuit current flows through the antiparallel diodes D23 and D24 instead of the rectifier diodes D19 and D20 in FIG. If the loss can be reduced, synchronous rectification may be performed by turning on and off switching elements Q23 and Q24 at a predetermined timing synchronized with switching elements Q5 to Q8.
- the energy of the storage battery 8 is stored as magnetic energy in the choke coils L3 and L4 by turning on both of the switching elements Q23 and Q24.
- the energy accumulated in the choke coils L3 and L4 is released, and a current flows through the winding N4 of the transformer Tr2. Since the direction of the current flowing through the winding N4 when the switching element Q23 is turned off and the direction of the current flowing through the winding N4 when the switching element Q24 is turned off are reversed, the current flowing through the winding N4 becomes an alternating current, An alternating current is also induced in the winding N3 of the transformer Tr2.
- the alternating current induced in the winding N3 is rectified by the bridge-connected antiparallel diodes D5 to D8 and smoothed by the smoothing capacitor C6. If the loss can be reduced, synchronous rectification may be performed by turning on / off switching elements Q5 to Q8 at a predetermined timing synchronized with switching elements Q23 and Q24.
- the DC-DC converter 4 ' is a unidirectional step-down chopper that charges the storage battery 7 from the link voltage Vo.
- the DC-DC converter 4 ' includes a switching element Q9, a diode D22, a choke coil L2, and smoothing capacitors C4 and C5.
- the switching element Q9 is configured using a MOSFET
- the diode D22 is configured using a fast recovery diode having good recovery characteristics.
- the DC-DC converter 4 includes a diode D25 between the terminal T5 and the terminal T7.
- the diode D25 is connected in parallel with the switching element Q25.
- the link voltage Vo is boosted by the DC-DC converter 5 '. Further, the control unit 9 determines whether or not boosting is necessary according to the ratio between the input voltage and the output voltage of the current resonance type converter 3.
- FIG. 5 is a flowchart showing a starting procedure of the charging apparatus 1 in the present embodiment.
- the control unit 9 activates the AC-DC converter 2.
- the switching element Q11 is switched, and the DC voltage obtained by boosting and smoothing the full-wave rectified voltage is output between the terminals T3 and T4.
- step S ⁇ b> 201 the control unit 9 detects the link voltage Vo by the voltage sensor 23.
- step S ⁇ b> 202 the control unit 9 detects the voltage of the smoothing capacitor C ⁇ b> 2 using the voltage sensor 22.
- step S203 the control unit 9 calculates a ratio between the link voltage Vo and the voltage Vc of the smoothing capacitor C2. Specifically, N ⁇ Vo ⁇ Vc is calculated.
- N is the turn ratio of the transformer Tr1.
- step S204 the control unit 9 determines whether or not the ratio (N ⁇ Vo ⁇ Vc) between the link voltage Vo and the voltage of the smoothing capacitor C2 is equal to or greater than a predetermined value A.
- the predetermined value A is a threshold value that determines whether or not the step-up operation of the DC-DC converter 5 ′ is performed, and a transformer transformation ratio (for limiting the output current of the current resonance type converter 3 to a desired current value or less). This is a value corresponding to the product of the turn ratio N of the transformer Tr1 and the input / output voltage ratio (ratio of the output voltage (link voltage Vo) and the input voltage (voltage of the smoothing capacitor C2)).
- the predetermined value A is determined in advance depending on how many amperes the output current is to be limited.
- N ⁇ Vo may be lower or higher than Vc, where N is the turns ratio of the transformer Tr1 and Vc is the voltage of the smoothing capacitor C2.
- the current resonance type converter 3 operates in the step-up mode when N ⁇ Vo is lower than Vc, and operates in the step-down mode when N ⁇ Vo is higher.
- step S204 If it is determined in step S204 that the ratio between the link voltage Vo and the voltage Vc of the smoothing capacitor C2 is equal to or greater than the predetermined value A, the process proceeds to step S209. On the other hand, if it is determined that the ratio (N ⁇ Vo ⁇ Vc) between the link voltage Vo and the voltage Vc of the smoothing capacitor C2 is less than the predetermined value A, the process proceeds to step S205.
- step S205 the control unit 9 calculates the target link voltage from the predetermined value A and the voltage of the smoothing capacitor C2. Specifically, the target link voltage is obtained by a predetermined value A ⁇ (voltage of the smoothing capacitor C2) / (turn ratio N of the transformer Tr1).
- step S206 the control unit 9 starts up the DC-DC converter 5 'by a boosting operation. That is, by turning on both of the switching elements Q23 and Q24, the energy of the storage battery 8 is stored as magnetic energy in the choke coils L3 and L4.
- the alternating current induced in the winding N3 is rectified by the bridge-connected antiparallel diodes D5 to D8, smoothed by the smoothing capacitor C6, and supplied to the link voltage Vo.
- step S207 the control unit 9 determines whether or not the link voltage Vo is equal to or higher than the target link voltage. If it is equal to or higher than the target link voltage, the process proceeds to step S208. If it is less than the target link voltage, the operation of step S207 is repeated.
- step S208 the control unit 9 stops the step-up operation of the DC-DC converter 5 '.
- step S209 the current resonance type converter 3 is soft-started. In the soft start, the switching elements Q1 to Q4 are started from the maximum switching frequency, and the switching frequency is gradually lowered. When the soft start is completed, the process proceeds to step S210.
- step S210 the control unit 9 activates the DC-DC converter 4 'in a step-down operation. That is, by turning on / off the switching element Q9, the storage battery 7 is charged by stepping down from the link voltage Vo.
- step S211 the control unit 9 starts up the DC-DC converter 5 'in a step-down operation. That is, the switching elements Q5 to Q8 are subjected to switching control, rectified and smoothed to a DC voltage by the rectifier circuit and the smoothing capacitor C7, and the storage battery 8 is charged. Thereafter, the DC-DC converters 4 ′ and 5 ′ activated in steps S ⁇ b> 210 and S ⁇ b> 211 function as the charging device 1 in the normal operation and charge the storage batteries 7 and 8.
- the DC-DC converter 5 ′ is boosted according to the ratio between the input voltage and the output voltage of the current resonance type converter 3, and the link voltage Vo is controlled to a voltage higher than the voltage of the storage battery 7. .
- the link voltage Vo is equal to or higher than the predetermined value Va as in the first embodiment
- the DC-DC converter 5 ′ is boosted to control the link voltage Vo to a voltage higher than the voltage of the storage battery 7. Also good.
- FIG. 6 is a circuit configuration diagram of the charging device 1 according to the third embodiment. 6 differs from the charging device 1 shown in FIG. 1 in the configuration of a DC-DC converter 5 ′. However, the configuration of the DC-DC converter 5 ′ is the same as that of the DC-DC converter 5 ′ in the second embodiment shown in FIG. The same parts as those of the charging device 1 shown in FIG. 1 and FIG.
- FIG. 7 is a flowchart showing a starting procedure of the charging apparatus 1 in the present embodiment.
- the control unit 9 activates the AC-DC converter 2.
- the switching element Q11 is switched, and the DC voltage obtained by boosting and smoothing the full-wave rectified voltage is output between T3 and T4.
- step S ⁇ b> 301 the control unit 9 detects the link voltage Vo by the voltage sensor 23.
- step S ⁇ b> 302 the control unit 9 detects the voltage of the smoothing capacitor C ⁇ b> 2 by the voltage sensor 22.
- step S303 the control unit 9 calculates a ratio (N ⁇ Vo ⁇ Vc) between the link voltage Vo and the voltage Vc of the smoothing capacitor C2.
- step S304 the control unit 9 determines whether the ratio (N ⁇ Vo ⁇ Vc) between the link voltage Vo and the voltage Vc of the smoothing capacitor C2 is equal to or greater than a predetermined value A.
- the predetermined value A is the same as that described in step S203 of the second embodiment, and the description thereof is omitted.
- step S304 When it is determined in step S304 that the ratio (N ⁇ Vo ⁇ Vc) between the link voltage Vo and the voltage Vc of the smoothing capacitor C2 is equal to or greater than the predetermined value A, the process proceeds to step S314. On the other hand, if the ratio (N ⁇ Vo ⁇ Vc) between the link voltage Vo and the voltage Vc of the smoothing capacitor C2 is determined to be less than the predetermined value A, the process proceeds to step S306.
- step S306 the control unit 9 calculates a target link voltage from the predetermined value A and the voltage Vc of the smoothing capacitor C2. Specifically, the target link voltage is obtained by a predetermined value A ⁇ (voltage of the smoothing capacitor C2) / (turn ratio N of the transformer Tr1).
- step S307 the control unit 9 detects the voltage of the storage battery 7 with the voltage detector 24 and the voltage of the storage battery 8 with the voltage detector 25. Then, in the next step S308, the control unit 9 calculates the voltage ratio between the target link voltage and the storage battery 7 calculated in step S306 and the voltage ratio between the target link voltage and the storage battery 8.
- step S309 the control unit 9 determines whether the voltage ratio between the target link voltage and the storage battery 7 is equal to or less than the voltage ratio between the target link voltage and the storage battery 8. If the voltage ratio between the target link voltage and the storage battery 7 is equal to or less than the voltage ratio between the target link voltage and the storage battery 8, the process proceeds to step S310. In addition, in the process of step S309, you may make it determine whether the voltage of the storage battery 7 is more than the voltage of the storage battery 8. FIG.
- step S310 the control unit 9 starts up the DC-DC converter 4 in a step-up operation. That is, by turning on / off the switching element Q10, the voltage of the storage battery 7 is boosted and supplied to the link voltage Vo. That is, when the voltage of the storage battery 7 is equal to or higher than the voltage of the storage battery 8, the DC-DC converter 4 is boosted.
- step S311 the control unit 9 starts up the DC-DC converter 5 'by a boost operation.
- the DC-DC converter 5 turns on both the switching elements Q23 and Q24 to store the energy of the storage battery 8 as magnetic energy in the choke coils L3 and L4.
- the alternating current induced in the winding N3 of the transformer Tr2 is rectified by the bridge-connected antiparallel diodes D5 to D8, smoothed by the smoothing capacitor C6, and supplied to the link voltage Vo.
- step S312 the control unit 9 determines whether or not the link voltage Vo is equal to or higher than the target link voltage. If it is equal to or higher than the target link voltage, the process proceeds to step S313. If it is less than the target link voltage, the operation in step S312 is repeated.
- step S313 the control unit 9 stops the operation of the DC-DC converter 4 or the DC-DC converter 5 'performing the boosting operation.
- step S314 the current resonance type converter 3 is soft-started. Soft start starts the switching elements Q1 to Q4 from the maximum switching frequency and gradually lowers the switching frequency. When the soft start is completed, the process proceeds to step S315.
- step S315 the control unit 9 starts up the DC-DC converter 4 in a step-down operation. That is, by turning on / off the switching element Q9, the link voltage Vo is stepped down to charge the storage battery 7.
- step S316 the control unit 9 starts up the DC-DC converter 5 'in a step-down operation. That is, the switching elements Q5 to Q8 to which the link voltage Vo is applied are subjected to switching control, rectified and smoothed to a DC voltage by the rectifier circuit and the smoothing capacitor C7, and the storage battery 8 is charged. Thereafter, the DC-DC converters 4 and 5 ′ activated in steps S ⁇ b> 315 and S ⁇ b> 316 function as the charging device 1 in the normal operation to charge the storage batteries 7 and 8.
- the DC-DC converter 4 or the DC-DC converter 5 ′ having the lower boost ratio is prioritized by obtaining the ratio between the target link voltage and the voltage of the storage batteries 7, 8, that is, the boost ratio of the storage batteries 7, 8. By using them, it is possible to reduce the loss at the time of step-up of the DC-DC converter 4 or the DC-DC converter 5 ′.
- the charging device 1 includes a rectangular wave inverter circuit that generates a rectangular wave voltage by inputting a DC voltage, and a primary winding N1 and a secondary winding N2 that are connected between output terminals of the rectangular wave inverter circuit. Rectifies the alternating current output to the secondary winding N2 and the transformer Tr1 that magnetically couples, the resonance capacitor Cr1 and the resonance inductor Lr1 connected in series with the primary winding N1 and / or the secondary winding N2.
- a current resonance type converter 3 having a rectifier circuit that outputs and a smoothing capacitor C3 connected between output terminals of the rectifier circuit, a DC-DC converter 4 connected between the smoothing capacitor C3 and the storage battery 7,
- a control unit 9 that controls the current resonance type converter 3 and the DC-DC converter 4, and the control unit 9 starts the DC-DC converter before starting the switching operation of the current resonance type converter 3.
- the converter 4 boosts operating control voltage of the smoothing capacitor C3 (link voltage Vo) to a higher predetermined voltage than the voltage of the battery 7. Thereby, the loss which generate
- the storage battery includes a first storage battery 7 and a second storage battery 8 and the DC-DC converter includes a DC-DC converter 4 connected between the smoothing capacitor C3 and the first storage battery 7, and a smoothing capacitor.
- a DC-DC converter 5 connected between C3 and the second storage battery 8, and the controller 9 boosts the DC-DC converter 4 before starting the switching operation of the current resonance type converter 3.
- the voltage of the smoothing capacitor C3 (link voltage Vo) is controlled to a predetermined voltage (step S104).
- the storage battery includes a first storage battery 7 and a second storage battery 8, and the DC-DC converter includes a DC-DC converter 4 connected between the smoothing capacitor C3 and the first storage battery 7, and a smoothing capacitor.
- a DC-DC converter 5 connected between C3 and the second storage battery 8, and the control unit 9 boosts the DC-DC converter 5 before starting the switching operation of the current resonance type converter 3.
- the voltage of the smoothing capacitor C3 (link voltage Vo) is controlled to a predetermined voltage.
- the control unit 9 alternatively selects the DC-DC converter 4 or the DC-DC converter 5 to be controlled to a predetermined voltage. Thereby, a DC-DC converter that controls the voltage of the smoothing capacitor C3 (link voltage Vo) to a predetermined voltage can be appropriately selected.
- step S204, S304 it has voltage sensors 22 and 23 for detecting the voltage of the smoothing capacitor C3 and the DC voltage, and the controller 9 determines whether the ratio of the voltage of the smoothing capacitor C3 and the DC voltage is equal to or higher than a predetermined value (step S204, S304), before starting switching of the current resonance type converter 3, it is determined whether to control to a predetermined voltage. Thereby, even if the voltage of the smoothing capacitor C3 is low, the step-up operation by the DC-DC converter can be omitted if the DC voltage is low.
- the AC-DC converter 2 is provided which inputs AC voltage from the AC power source 6 and performs power factor correction control and outputs DC voltage. Thereby, the charging device corresponding to the input of AC power supply 6 can be provided.
- the present invention is not limited to the above-described embodiment, and other forms conceivable within the scope of the technical idea of the present invention are also included in the scope of the present invention as long as the characteristics of the present invention are not impaired. .
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
以下、本発明の第1の実施形態について図1~図3を参照して説明する。図1は、第1の実施形態における充電装置1の回路構成図である。充電装置1は、交流電源6から端子T1-T2間に交流電力を入力して、端子T7-T8間、および端子T9-T10間に直流電力を出力し、蓄電池7、および蓄電池8を充電する。さらに、充電装置1は交流電源6が接続されない場合には、蓄電池7と蓄電池8との間で電力変換を行い、蓄電池7から蓄電池8を充電する。ここで、蓄電池7はリチウムイオン電池等を複数接続して構成される高電圧バッテリ、蓄電池8は鉛電池等の低電圧バッテリであるが、蓄電池の種類、電圧レベル等は異なってもよい。また、交流電源6は商用電源であるが、発電装置であってもよい。
次に、本発明の第2の実施形態について図4~図5を参照して説明する。図4は、第2の実施形態の充電装置1の回路構成図である。図4は、図1に示した充電装置1と比較して、DC-DCコンバータ4’の構成、DC-DCコンバータ5’の構成が異なる。図1に示した充電装置1と同一部分については同一符号を付して説明を省略する。
図5のステップS200で、制御部9はAC-DCコンバータ2を起動する。AC-DCコンバータ2は、スイッチング素子Q11がスイッチング動作され、全波整流された電圧を昇圧し平滑化した直流電圧を端子T3-T4間に出力する。
以上のように、起動時に過大な電流が流れることを防止できるので共振素子等を大型にする必要がなくなる。
次に、本発明の第3の実施形態について図6~図7を参照して説明する。
図6は、第3の実施形態の充電装置1の回路構成図である。図6は、図1に示した充電装置1と比較して、DC-DCコンバータ5’の構成が異なる。但し、DC-DCコンバータ5’の構成は、図4に示した第2の実施形態におけるDC-DCコンバータ5’と同一である。図1、図4に示した充電装置1と同一部分については同一符号を付して説明を省略する。
(1)充電装置1は、直流電圧を入力して矩形波電圧を生成する矩形波インバータ回路と、矩形波インバータ回路の出力端子間に接続された1次巻線N1と2次巻線N2とを磁気結合するトランスTr1と、1次巻線N1および/または2次巻線N2と直列に接続される共振コンデンサCr1および共振インダクタLr1と、2次巻線N2に出力される交流電流を整流して出力する整流回路と、整流回路の出力端子間に接続される平滑コンデンサC3とを有する電流共振型コンバータ3と、平滑コンデンサC3と蓄電池7との間に接続されたDC-DCコンバータ4と、電流共振型コンバータ3およびDC-DCコンバータ4を制御する制御部9とを備え、制御部9は、電流共振型コンバータ3のスイッチング動作を開始する前に、DC-DCコンバータ4を昇圧動作させて平滑コンデンサC3の電圧(リンク電圧Vo)を蓄電池7の電圧よりも高い所定電圧に制御する。これにより、発生する損失を少なくして、高効率かつ小型の充電装置を提供することができる。
2 AC-DCコンバータ
3 電流共振型コンバータ
4、5 DC-DCコンバータ
6 交流電源
7、8 蓄電池
9 制御部
11~14 電流センサ
21~25 電圧センサ
C1~C7 平滑コンデンサ
Cr1、Cr2 共振コンデンサ
D1~D10、D23~D25 逆並列ダイオード
L1~L4 チョークコイル
Lr1、Lr2 共振インダクタ
N1~N4…トランス巻線
Q1~Q11、Q23~Q25 スイッチング素子
T1~T10 端子
Tr1、Tr2 トランス
Claims (8)
- 直流電圧を入力して矩形波電圧を生成するインバータ回路と、前記インバータ回路の出力端子間に接続された1次巻線と2次巻線とを磁気結合するトランスと、前記1次巻線および/または前記2次巻線と直列に接続される共振コンデンサおよび共振インダクタと、前記2次巻線に出力される交流電流を整流して出力する整流回路と、前記整流回路の出力端子間に接続される平滑コンデンサとを有する電流共振型コンバータと、
前記平滑コンデンサと蓄電池との間に接続されたDC-DCコンバータと、
前記電流共振型コンバータおよび前記DC-DCコンバータを制御する制御部とを備え、
前記制御部は、前記電流共振型コンバータのスイッチング動作を開始する前に、前記DC-DCコンバータを昇圧動作させて前記平滑コンデンサの電圧を前記蓄電池の電圧よりも高い所定電圧に制御する充電装置。 - 請求項1に記載の充電装置において、
前記蓄電池は、第1蓄電池と第2蓄電池とを有し、
前記DC-DCコンバータは、前記平滑コンデンサと前記第1蓄電池との間に接続された第1コンバータと、前記平滑コンデンサと前記第2蓄電池との間に接続された第2コンバータとを有し、
前記制御部は、前記電流共振型コンバータのスイッチング動作を開始する前に、前記第1コンバータを昇圧動作させて前記平滑コンデンサの電圧を前記所定電圧に制御する充電装置。 - 請求項1に記載の充電装置において、
前記蓄電池は、第1蓄電池と第2蓄電池とを有し、
前記DC-DCコンバータは、前記平滑コンデンサと前記第1蓄電池との間に接続された第1コンバータと、前記平滑コンデンサと前記第2蓄電池との間に接続された第2コンバータとを有し、
前記制御部は、前記電流共振型コンバータのスイッチング動作を開始する前に、前記第2コンバータを昇圧動作させて前記平滑コンデンサの電圧を前記所定電圧に制御する充電装置。 - 請求項1に記載の充電装置において、
前記蓄電池は、第1蓄電池と第2蓄電池とを有し、
前記DC-DCコンバータは、前記平滑コンデンサと前記第1蓄電池との間に接続された第1コンバータと、前記平滑コンデンサと前記第2蓄電池との間に接続された第2コンバータとを有し、
前記制御部は、前記電流共振型コンバータのスイッチング動作を開始する前に、前記第1コンバータまたは前記第2コンバータを択一的に選択し、選択した前記第1コンバータまたは前記第2コンバータを昇圧動作させて前記平滑コンデンサの電圧を前記所定電圧に制御する充電装置。 - 請求項4に記載の充電装置において、
前記第1蓄電池および前記第2蓄電池の電圧を検出する蓄電池検出部を有し、
前記制御部は、前記第1蓄電池の電圧と前記第2蓄電池の電圧とを比較し、比較した電圧に応じて前記第1コンバータまたは前記第2コンバータを選択する充電装置。 - 請求項1から請求項4のいずれか一項に記載の充電装置において、
前記平滑コンデンサの電圧および前記直流電圧を検出する電圧検出部を有し、
前記制御部は、前記平滑コンデンサの電圧および前記直流電圧の比が所定値以上か否かに応じて、前記電流共振型コンバータのスイッチングを開始する前に前記平滑コンデンサの電圧を前記所定電圧に制御するか否かを決定する充電装置。 - 請求項1から請求項3のいずれか一項に記載の充電装置において、
前記直流電圧を検出する電圧検出部を有し、
前記制御部は、前記直流電圧に基づいて前記所定電圧を演算する充電装置。 - 請求項1から請求項3のいずれか一項に記載の充電装置において、
交流電圧を入力して力率改善制御を行うとともに前記直流電圧を出力するAC-DCコンバータを備える充電装置。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/749,589 US10333398B2 (en) | 2015-08-06 | 2016-07-20 | Charging apparatus |
| DE112016003586.1T DE112016003586T5 (de) | 2015-08-06 | 2016-07-20 | Ladegerät |
| CN201680043592.2A CN107852095B (zh) | 2015-08-06 | 2016-07-20 | 充电装置 |
| JP2017532477A JP6364553B2 (ja) | 2015-08-06 | 2016-07-20 | 充電装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-155622 | 2015-08-06 | ||
| JP2015155622 | 2015-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017022477A1 true WO2017022477A1 (ja) | 2017-02-09 |
Family
ID=57944067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2016/071200 Ceased WO2017022477A1 (ja) | 2015-08-06 | 2016-07-20 | 充電装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10333398B2 (ja) |
| JP (1) | JP6364553B2 (ja) |
| CN (1) | CN107852095B (ja) |
| DE (1) | DE112016003586T5 (ja) |
| WO (1) | WO2017022477A1 (ja) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018159022A1 (ja) * | 2017-03-02 | 2018-09-07 | パナソニックIpマネジメント株式会社 | 充電装置、及び車載電源装置 |
| WO2020230546A1 (ja) * | 2019-05-13 | 2020-11-19 | パナソニックIpマネジメント株式会社 | 移動体充電システム、総合システム及び移動体充電方法 |
| US11336184B2 (en) | 2018-03-28 | 2022-05-17 | Panasonic Intellectual Property Management Co., Ltd. | Power converter |
| WO2022224691A1 (ja) * | 2021-04-19 | 2022-10-27 | 株式会社オートネットワーク技術研究所 | 車載用制御装置 |
| WO2023079894A1 (ja) * | 2021-11-05 | 2023-05-11 | 矢崎総業株式会社 | 車載充電器 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6686663B2 (ja) * | 2016-04-19 | 2020-04-22 | 株式会社デンソー | 電力変換装置 |
| CN108092371B (zh) * | 2016-11-15 | 2020-04-03 | 华为技术有限公司 | 充放电装置 |
| CN109997303B (zh) * | 2017-11-03 | 2021-02-12 | 戴洛格半导体(英国)有限公司 | 开关驱动器 |
| US11637492B2 (en) * | 2018-05-01 | 2023-04-25 | Murata Manufacturing Co., Ltd. | Buck matrix-type rectifier with boost switch, and operation thereof during one-phase loss |
| CN111355292B (zh) * | 2018-12-24 | 2022-01-07 | 比亚迪股份有限公司 | 电动汽车、电动汽车的充电器及其控制方法 |
| WO2020242444A1 (en) | 2019-05-24 | 2020-12-03 | Huawei Technologies Co., Ltd. | Integrated charger and motor control system comprising a transformer and multi-level power converters |
| DE102019209983A1 (de) * | 2019-07-08 | 2021-01-14 | Zf Friedrichshafen Ag | Schaltwandler und Verfahren zum Wandeln einer Eingangsspannung in eine Ausgangsspannung |
| EP3823131A1 (en) * | 2019-11-12 | 2021-05-19 | Infineon Technologies Austria AG | Controller for charger device, charger device and method |
| US11888342B2 (en) * | 2020-05-12 | 2024-01-30 | Monolithic Power Systems, Inc. | Bi-directional battery charging circuit with voltage regulation control |
| US12334831B2 (en) | 2020-06-08 | 2025-06-17 | Foundation for Research and Business, Seoul National University of Sicene and Technology | Unitary charging device for low and high voltages |
| DE102021116579B4 (de) | 2021-06-28 | 2025-08-14 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Verfahren zum Betrieb eines Ladesystems für ein Fahrzeug mit einem galvanisch nicht-getrennten Ladegerät |
| EP4131750A1 (en) * | 2021-08-06 | 2023-02-08 | Infineon Technologies Austria AG | Power converter controller, power converter and method for operating a power converter |
| CN114498866B (zh) * | 2022-04-19 | 2022-07-29 | 伏达半导体(合肥)有限公司 | 双电池充电装置、方法及其控制器 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009232502A (ja) * | 2008-03-19 | 2009-10-08 | Tdk Corp | スイッチング電源装置 |
| JP2015035928A (ja) * | 2013-08-09 | 2015-02-19 | 住友電気工業株式会社 | 双方向ac/dc変換装置、断続的変換方法及びコンピュータプログラム |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4670882B2 (ja) * | 2008-03-18 | 2011-04-13 | トヨタ自動車株式会社 | 電動機駆動制御装置、それを備えた車両および電動機駆動制御方法 |
| JP5480296B2 (ja) * | 2009-01-29 | 2014-04-23 | ブルサ エレクトロニック アーゲー | 単相および3相動作用の変換器、dc電源および電池充電器 |
| US8339808B2 (en) * | 2009-06-19 | 2012-12-25 | Tdk Corporation | Switching power supply unit |
| CN102904322B (zh) * | 2011-07-28 | 2015-05-27 | 台达电子企业管理(上海)有限公司 | 电池充电系统 |
| JP6076747B2 (ja) | 2013-01-10 | 2017-02-08 | 新電元工業株式会社 | スイッチング電源装置 |
| CN104242703B (zh) * | 2013-06-18 | 2017-05-17 | 纽福克斯光电科技(上海)有限公司 | 一种恒流限流型逆变器 |
| CN103746419B (zh) * | 2013-12-30 | 2017-01-11 | 联合汽车电子有限公司 | 车载充电器电路 |
| JP6286793B2 (ja) * | 2014-01-24 | 2018-03-07 | 株式会社日立情報通信エンジニアリング | Dc−dcコンバータ、二次電池充放電システム、およびdc−dcコンバータの制御方法 |
| CN203819054U (zh) * | 2014-03-25 | 2014-09-10 | 潍柴动力股份有限公司 | 电机控制器预充电路 |
-
2016
- 2016-07-20 DE DE112016003586.1T patent/DE112016003586T5/de active Pending
- 2016-07-20 JP JP2017532477A patent/JP6364553B2/ja active Active
- 2016-07-20 WO PCT/JP2016/071200 patent/WO2017022477A1/ja not_active Ceased
- 2016-07-20 US US15/749,589 patent/US10333398B2/en active Active
- 2016-07-20 CN CN201680043592.2A patent/CN107852095B/zh active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009232502A (ja) * | 2008-03-19 | 2009-10-08 | Tdk Corp | スイッチング電源装置 |
| JP2015035928A (ja) * | 2013-08-09 | 2015-02-19 | 住友電気工業株式会社 | 双方向ac/dc変換装置、断続的変換方法及びコンピュータプログラム |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018159022A1 (ja) * | 2017-03-02 | 2018-09-07 | パナソニックIpマネジメント株式会社 | 充電装置、及び車載電源装置 |
| CN110326183A (zh) * | 2017-03-02 | 2019-10-11 | 松下知识产权经营株式会社 | 充电装置以及车载电源装置 |
| US11043831B2 (en) | 2017-03-02 | 2021-06-22 | Panasonic Intellectual Property Management Co., Ltd. | Charging device and on board power supply device |
| CN110326183B (zh) * | 2017-03-02 | 2023-04-21 | 松下知识产权经营株式会社 | 充电装置以及车载电源装置 |
| US11336184B2 (en) | 2018-03-28 | 2022-05-17 | Panasonic Intellectual Property Management Co., Ltd. | Power converter |
| WO2020230546A1 (ja) * | 2019-05-13 | 2020-11-19 | パナソニックIpマネジメント株式会社 | 移動体充電システム、総合システム及び移動体充電方法 |
| WO2022224691A1 (ja) * | 2021-04-19 | 2022-10-27 | 株式会社オートネットワーク技術研究所 | 車載用制御装置 |
| WO2023079894A1 (ja) * | 2021-11-05 | 2023-05-11 | 矢崎総業株式会社 | 車載充電器 |
| JP2023069257A (ja) * | 2021-11-05 | 2023-05-18 | 矢崎総業株式会社 | 車載充電器 |
| JP7410917B2 (ja) | 2021-11-05 | 2024-01-10 | 矢崎総業株式会社 | 車載充電器 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2017022477A1 (ja) | 2018-05-10 |
| DE112016003586T5 (de) | 2018-06-14 |
| US10333398B2 (en) | 2019-06-25 |
| CN107852095A (zh) | 2018-03-27 |
| CN107852095B (zh) | 2020-01-10 |
| US20180241306A1 (en) | 2018-08-23 |
| JP6364553B2 (ja) | 2018-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6364553B2 (ja) | 充電装置 | |
| JP4318174B2 (ja) | Dc−dcコンバータ | |
| JP5645582B2 (ja) | 共振形充電装置及びそれを用いた車両 | |
| JP5530401B2 (ja) | 電源装置 | |
| JP5394213B2 (ja) | 直列共振型コンバータ回路 | |
| CN107431375B (zh) | 电源装置 | |
| JP6802826B2 (ja) | 車両電源装置 | |
| US7613018B2 (en) | Apparatus and method for supplying DC power source | |
| JP5786325B2 (ja) | 電力変換回路システム | |
| JP5396251B2 (ja) | 直流―直流双方向コンバータ回路 | |
| JP2020043728A (ja) | 車両電源装置 | |
| JP2009261186A (ja) | 双方向dc/dcコンバータおよびパワーコンディショナ | |
| US20140015496A1 (en) | Charging device | |
| WO2011052364A1 (ja) | 電力変換装置 | |
| WO2021139713A1 (zh) | 在线互动式不间断电源及其控制方法 | |
| JP6480602B2 (ja) | 電力変換装置 | |
| JP2015173524A (ja) | 充電装置 | |
| CN114944759A (zh) | Dc-dc转换器和车辆 | |
| CN112271918B (zh) | 一种用于车载电源充电的软启动方法及系统 | |
| JP2018125985A (ja) | 電力変換システム | |
| JP5658922B2 (ja) | 系統連系電力変換装置及び系統連系電力変換の制御方法 | |
| JP2013005596A (ja) | 充電装置 | |
| CN115037163A (zh) | 充电电流的控制方法、装置及充电电路 | |
| KR102269872B1 (ko) | 인터리브드 pwm 가변 주파수 제어 방법 및 이를 실행하는 장치 | |
| JPH0678535A (ja) | 直流電源装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 16832756 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2017532477 Country of ref document: JP Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 15749589 Country of ref document: US |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 112016003586 Country of ref document: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 16832756 Country of ref document: EP Kind code of ref document: A1 |