EP3969321A1 - Bordlader und verfahren zum laden einer hochvoltbatterie eines hochvoltbordnetzes oder einer niedervoltbatterie eines niedervoltbordnetzes - Google Patents
Bordlader und verfahren zum laden einer hochvoltbatterie eines hochvoltbordnetzes oder einer niedervoltbatterie eines niedervoltbordnetzesInfo
- Publication number
- EP3969321A1 EP3969321A1 EP20710871.3A EP20710871A EP3969321A1 EP 3969321 A1 EP3969321 A1 EP 3969321A1 EP 20710871 A EP20710871 A EP 20710871A EP 3969321 A1 EP3969321 A1 EP 3969321A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- voltage
- low
- battery
- voltage battery
- converter
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
- B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- 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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
-
- 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
- H02M3/33561—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 having more than one ouput with independent control
-
- 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
- H02M3/33569—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 having several active switching elements
-
- 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
- H02M3/33569—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 having several active switching elements
- H02M3/33576—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 having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33584—Bidirectional 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
- H02M3/22—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
-
- 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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
-
- 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
- H02M1/0067—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
- 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
- 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
Definitions
- the invention relates to an on-board charger for charging a high-voltage battery
- the on-board charger comprises a line filter for filtering an AC voltage and a power factor correction filter for adapting an input current. Furthermore, the on-board charger comprises a first DC / DC converter, which has a transformer with a primary side and a secondary side, with the first
- the on-board charger also includes a DC voltage filter.
- the invention also relates to a method for charging a high-voltage battery of a high-voltage vehicle electrical system or a low-voltage battery of a low-voltage vehicle electrical system.
- Electric vehicles or plug-in vehicles have the option of charging a high-voltage battery at a charging station or at a household connection in one or more phases with an on-board charger.
- the high-voltage battery supplies other high-voltage components, such as the electric drive (s), air conditioning, heating or an infotainment system.
- US 2010/0231169 A1 discloses a motor vehicle which has an electric
- Circuit includes and can be electrically connected to an electrical network. Furthermore, the motor vehicle includes an electric drive that is electrically connected to the circuit and a power conversion module that is electrically connected to the electric drive is connected. With an energy storage unit that is
- the object of the present invention is to provide an on-board charger and a method with which an on-board charger can be functionally expanded so that synergies can be used.
- One aspect of the invention relates to an on-board charger for charging a high-voltage battery of a high-voltage on-board network or a low-voltage battery of a low-voltage on-board network.
- the on-board charger has a line filter for filtering an alternating voltage and a
- the high-voltage battery is connected to a first circuit on the secondary side of the first DC voltage converter
- the on-board loader also includes a
- the low-voltage battery can be supplied with a second DC voltage with a second circuit on the secondary side of the first DC voltage converter.
- a control unit is designed such that either the first
- DC-DC converter can be activated.
- synergies can be used.
- the first DC / DC converter to supply the high-voltage battery and the low-voltage battery, the functions of an on-board charger and a DC / DC converter in a single component, respectively
- the on-board charger in particular takes over the functions of the DC voltage converter. In this way, components, weight, volume and costs can be saved in particular. Using the two
- the high-voltage battery in particular can be charged in one or three phases.
- the AC voltage on the input side is first filtered with the line filter as the first part of the power stage.
- the power factor correction filter PFC
- the input current should be in phase with the mains voltage on the input side. This reduces, for example, the harmonics that are fed back into the network, and the
- Power factor correction filter a regulated output voltage, by means of which the downstream DC voltage converter can be supplied.
- the power factor correction filter is followed by the first DC / DC converter, which provides galvanic isolation and generates an output voltage that behaves precisely in accordance with the charging profile of the high-voltage battery.
- Input voltage of the high-voltage battery is made available, the rectified input voltage is filtered with the aid of a
- the on-board charger can be used to charge the high-voltage battery of the vehicle
- the first DC voltage converter in particular has the transformer, which is divided into a primary side and a secondary side.
- the primary side includes, for example, a primary coil and the secondary side includes a secondary coil.
- the secondary side of the first DC voltage converter is in particular divided into two parts or into two separate secondary coils.
- Secondary coil of the secondary side divided into a first secondary coil and a second secondary coil. If the high-voltage battery should be charged during a charging process, the control unit is used to activate the first secondary coil of the
- DC voltage can be supplied or charged.
- clocks the control unit controls the charging mode and adapts the first DC voltage to the required charging voltage for the high-voltage battery.
- the second secondary coil is deactivated.
- the activation of the second secondary coil of the secondary side and the simultaneous deactivation of the first secondary coil take place when the electrically operated vehicle or the hybrid vehicle is in ferry operation.
- the second secondary coil of the first DC voltage converter With the help of the second secondary coil of the first DC voltage converter, the low-voltage on-board network or the low-voltage battery is supplied with the second DC voltage.
- the low-voltage electrical system can be a 12 V electrical system.
- Another aspect of the invention relates to a method for loading a
- Low-voltage vehicle electrical system the high-voltage battery being charged with a first direct voltage, which is generated with a first circuit on a secondary side of a transformer of a direct voltage converter.
- the low-voltage battery is charged with a second direct voltage, which is generated with a second circuit on the secondary side of the direct-voltage converter, it being monitored that only the low-voltage battery or only the high-voltage battery is charged.
- the high-voltage battery or the low-voltage battery of an electrically operated vehicle or a hybrid vehicle is charged.
- the first direct voltage is converted by converting an input-side alternating voltage on an on-board charger.
- the DC / DC converter is formed from a secondary side and a primary side and includes a
- Transformer that has a primary coil and a secondary coil.
- the secondary side of the DC voltage converter is divided into a first secondary coil and a second secondary coil.
- the first secondary coil is switched to active, whereby the high-voltage battery of the
- High-voltage electrical system can be supplied or charged with the first DC voltage.
- the high-voltage battery is charged during a charging operation of the electrically operated vehicle or the hybrid vehicle.
- the first secondary coil can be deactivated and the second secondary coil on the secondary side can be activated, so that the
- Low-voltage battery can be charged with the second DC voltage.
- the low-voltage battery can be a battery of a 12 V vehicle electrical system. In particular, it is monitored that only either the low-voltage battery or only the high-voltage battery can be charged. In particular, the low-voltage battery is charged via the battery voltage of the high-voltage battery.
- FIG. 1 shows a schematic representation of an on-board loader
- FIG. 2 shows a schematic circuit arrangement for charging a high-voltage battery
- FIG. 3 shows a schematic circuit arrangement for charging a low-voltage battery.
- Fig. 1 shows an on-board charger 1 for charging a high-voltage battery 2 of a
- the on-board charger 1 can, for example, be used for a single-phase or a three-phase
- the high-voltage battery 2 or the low-voltage battery 3 can be used electrically with the on-board charger
- the on-board charger 1 has a line filter 4 on the input side.
- An input-side alternating voltage UAC which is present at the input of the on-board charger 1, can be filtered with the line filter 4.
- a power factor correction filter 5 is connected downstream, with which an input current of the AC voltage UAC can be brought into a sinusoidal curve, in particular in phase with the alternating voltage UAC.
- the power factor correction filter 5 provides a regulated output voltage for the
- the power factor correction filter 5 comprises a precharge circuit 7 with which the following first
- the precharge circuit 7 of the power factor correction filter 5 has a first resistor Ri and a
- the first DC voltage converter 6 comprises a transformer 8 (see FIG. 2).
- the transformer 8 is divided into a primary side 9 and a secondary side 10.
- the primary side 9 includes in particular a primary coil 11, and the secondary side 10 is divided into a first secondary coil 12 and a second secondary coil 13.
- the first DC voltage converter 6 is in particular galvanically isolated and provides the first DC voltage U1.
- the first DC voltage U1 is then filtered with a DC voltage filter 14 and the high-voltage high-voltage battery 2 for
- a precharge circuit 15 can be connected upstream of the high-voltage battery 2, by means of which the high-voltage battery 2 can be charged from the first direct voltage U1.
- the high-voltage battery 2 can be precharged via a second resistor R2.
- a precharge switch Sv is closed. It is also conceivable that with the first
- an intermediate circuit capacitor CK can be charged.
- the precharge switch Sv and a first main contactor HS1 and a second main contactor HS2 are open.
- the two main contactors HS1 and HS2 are closed, the high-voltage battery 2 can be charged via the intermediate circuit capacitor CK.
- a pre-charging circuit in the charger and in the high-voltage battery 2 can be dispensed with.
- the on-board charger 1 can be designed for a charging operation of up to 3.7 kW at 230 V and 16 A.
- Fig. 2 shows a schematic arrangement of the on-board charger 1 when loading the
- High-voltage battery 2 is used with the first
- the first secondary coil 12 is the first circuit Secondary side 10 is active and the second secondary coil 13 is deactivated.
- the activation of the secondary coil 12 and the second secondary coil 13 of the secondary side 10 takes place in particular via a control unit 16 of the on-board charger 1.
- the control unit 16 ensures that either the first circuit or a second
- Wiring of the secondary side 10 of the first DC voltage converter 6 is active. Only high-voltage battery 3 or low-voltage battery 2 can be charged at a time. When the high-voltage battery 2 is charged with the first direct voltage U1, the switches S1, S2, S4 are open and the switch S3 is closed. In particular, the control unit 16 clocks the charging operation to a required charging voltage for the
- the switches S1 to S4 can be mechanical switches or semiconductor switches. The use of mechanical switches and / or semiconductor switches depends on specific safety requirements for the vehicle.
- the high-voltage battery 2 is charged in the charging mode of the electrically operated vehicle. Since the low-voltage battery 3 or the second secondary coil 13 is deactivated during the charging operation of the high-voltage battery 2, a third DC voltage U3 is provided by means of a second DC-DC converter 17 and thus the low-voltage electrical system or the low-voltage battery 3 is supplied.
- High-voltage battery 3 can be integrated.
- the second serves to integrate.
- the DC voltage converter 17 for supplying or ensuring an emergency call supply for safety-relevant components of the vehicle.
- the second DC voltage converter 17 can be used to ensure a supply of the emergency components when the high-voltage on-board network or a high-voltage battery 2 is switched off or disconnected.
- a voltage of 12 V can be provided.
- the second DC voltage converter 17 can be, for example, a mini converter.
- the low-voltage battery 3 shows a charging process of the low-voltage battery 3 with the aid of the on-board charger 1.
- the low-voltage battery 3 is charged in a ferry operation of the electrically operated vehicle or the hybrid vehicle.
- switches S1, S2, S4 are closed and switch S3 is open.
- the low-voltage electrical system or the low-voltage battery 3 are charged by means of the second circuitry of the DC-DC converter 6.
- the first secondary coil 12 of the secondary side 10 is deactivated, and the second secondary coil 13 of the secondary side 10 is active.
- the activation or deactivation takes place via the control unit 16.
- the battery voltage U ßat of the high-voltage battery 2 is converted into the second direct voltage U2.
- the control unit 16 is clocked in such a way that, in particular, a 12 V on-board network can be supplied.
- the first DC voltage converter 6 can be used to precharge the high-voltage on-board electrical system with the aid of the low-voltage battery 3.
- the high-voltage battery 2 cannot be charged.
- the on-board charger 1 includes the functions of an on-board charger and a DC-DC converter, in that the on-board charger 1 uses the synergies of both functions.
- the function of the on-board charger and the DC-DC converter is merged in a housing or in a component as an on-board charger 1.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Dc-Dc Converters (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019003458.9A DE102019003458A1 (de) | 2019-05-15 | 2019-05-15 | Bordlader und Verfahren zum Laden einer Hochvoltbatterie eines Hochvoltbordnetzes oder einer Niedervoltbatterie eines Niedervoltbordnetzes |
PCT/EP2020/055997 WO2020229012A1 (de) | 2019-05-15 | 2020-03-06 | Bordlader und verfahren zum laden einer hochvoltbatterie eines hochvoltbordnetzes oder einer niedervoltbatterie eines niedervoltbordnetzes |
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EP3969321A1 true EP3969321A1 (de) | 2022-03-23 |
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EP20710871.3A Pending EP3969321A1 (de) | 2019-05-15 | 2020-03-06 | Bordlader und verfahren zum laden einer hochvoltbatterie eines hochvoltbordnetzes oder einer niedervoltbatterie eines niedervoltbordnetzes |
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US (1) | US20220250493A1 (de) |
EP (1) | EP3969321A1 (de) |
CN (1) | CN113874244A (de) |
DE (1) | DE102019003458A1 (de) |
WO (1) | WO2020229012A1 (de) |
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DE102021101600A1 (de) * | 2021-01-26 | 2022-07-28 | Audi Aktiengesellschaft | Bordnetz für ein Kraftfahrzeug, Kraftfahrzeug und Verfahren zum Betrieb eines Bordnetzes |
CN112865263B (zh) * | 2021-03-15 | 2024-08-13 | 阳光电源股份有限公司 | 一种充放电控制方法及应用装置 |
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DE102006055126A1 (de) * | 2006-11-22 | 2008-06-05 | Siemens Ag | Verfahren zur Umwandlung einer Eingangsspannung in eine Ausgangsspannung sowie Stromversorgungseinrichtung, insbesondere stromgespeister Gegentaktwandler |
US8125182B2 (en) | 2009-03-16 | 2012-02-28 | Ford Global Technologies, Llc | Automotive vehicle and method for charging/discharging a power storage unit therein |
JP5071519B2 (ja) * | 2010-05-14 | 2012-11-14 | トヨタ自動車株式会社 | 電力変換装置およびそれを搭載する車両 |
CN102892615B (zh) * | 2010-07-22 | 2014-12-10 | 丰田自动车株式会社 | 电动车辆及其充电控制方法 |
JP5577986B2 (ja) * | 2010-09-22 | 2014-08-27 | 株式会社豊田自動織機 | 電源装置および車載用電源装置 |
KR20130078386A (ko) * | 2011-12-30 | 2013-07-10 | 엘에스산전 주식회사 | 전기자동차 충전기용 dc-dc 컨버터 |
DE102013223330A1 (de) * | 2013-11-15 | 2015-05-21 | Bayerische Motoren Werke Aktiengesellschaft | Wandlerschaltungsanordnung zum Wandeln einer Eingangsgleichspannung in eine Ausgangsgleichspannung |
DE102014013039A1 (de) * | 2014-09-02 | 2015-03-19 | Daimler Ag | Vorrichtung für ein Kraftfahrzeug zum galvanisch entkoppelten Übertragen einer elektrischen Spannung |
US10124686B2 (en) * | 2016-07-15 | 2018-11-13 | GM Global Technology Operations LLC | Dual inductive/conductive DC-coupled charging system |
CN107332341A (zh) * | 2017-07-27 | 2017-11-07 | 深圳市泰昂能源科技股份有限公司 | 直流ups电源装置以及系统 |
JP6991178B2 (ja) * | 2019-05-24 | 2022-01-12 | 株式会社Soken | 電力変換装置 |
KR20210005754A (ko) * | 2019-07-03 | 2021-01-15 | 현대자동차주식회사 | 사륜 구동 차량 |
JP2023154478A (ja) * | 2022-04-07 | 2023-10-20 | トヨタ自動車株式会社 | 電力変換装置 |
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2020
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- 2020-03-06 US US17/611,003 patent/US20220250493A1/en active Pending
- 2020-03-06 CN CN202080035722.4A patent/CN113874244A/zh active Pending
- 2020-03-06 WO PCT/EP2020/055997 patent/WO2020229012A1/de unknown
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CN113874244A (zh) | 2021-12-31 |
DE102019003458A1 (de) | 2020-01-09 |
WO2020229012A1 (de) | 2020-11-19 |
US20220250493A1 (en) | 2022-08-11 |
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