WO2023010898A1 - 充放电电路、系统及其控制方法 - Google Patents
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- WO2023010898A1 WO2023010898A1 PCT/CN2022/088567 CN2022088567W WO2023010898A1 WO 2023010898 A1 WO2023010898 A1 WO 2023010898A1 CN 2022088567 W CN2022088567 W CN 2022088567W WO 2023010898 A1 WO2023010898 A1 WO 2023010898A1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/90—Regulation of charging or discharging current or voltage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/02—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- 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
- B60L58/21—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 the same nominal voltage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1423—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with multiple batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering using capacitors as storage or buffering devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/90—Regulation of charging or discharging current or voltage
- H02J7/971—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/975—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/977—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/008—Arrangement or mounting of electrical propulsion units with means for heating the electrical propulsion units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/50—Structural details of electrical machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/50—Structural details of electrical machines
- B60L2220/54—Windings for different functions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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
- B60L2240/545—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2270/00—Problem solutions or means not otherwise provided for
- B60L2270/10—Emission reduction
- B60L2270/14—Emission reduction of noise
- B60L2270/145—Structure borne vibrations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Details of circuit arrangements for charging or discharging batteries or supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Definitions
- the frequency of the alternating current generated in the entire circuit is adjusted by controlling the switching frequency of the charging circuit and the discharging circuit, thereby increasing the heating rate of the battery pack.
- the power supply module includes at least a first battery pack
- the energy storage module includes a first M-phase motor and a second M-phase motor
- the switch module includes an M-phase bridge arm
- the switching module includes an M-phase bridge arm; the M-phase winding of the first M-phase motor is connected to the M-phase bridge arm of the switching module in one-to-one correspondence, and the M-phase winding of the second M-phase motor is connected to the charging and discharging
- the M-phase bridge arms of the switching module are connected in one-to-one correspondence; the M-phase winding connection point of the first M-phase motor is connected to the M-phase winding connection point of the second M-phase motor;
- the charging and discharging states of the two battery packs are alternately switched. During each heating cycle, one of the battery packs is discharged while the other battery pack is charged.
- the setting of dual battery packs can effectively reduce the constraints of the energy storage module on the heating current and the frequency of the heating current.
- the heating current of the battery pack can be maintained at a stable heating current according to the preset heating frequency, so that the heating rate can be greatly improved by adjusting the frequency of the heating current at different temperatures and SOC states of the battery. Since the heating current can be maintained at a stable value, the waveform of the alternating current generated in the charging and discharging circuit of the double battery pack is a square wave or a square wave.
- the first end of the second battery pack is connected to the first end of the charging and discharging switching module, and the second end of the second battery pack is connected to the second end of the first battery pack.
- end, the second end of the switch module, and the second end of the charge-discharge switching module are connected in line;
- the first end of the first battery pack is connected to the first end of the switch module;
- the first A tenth switch is connected between the first end of the battery pack and the first end of the second battery pack; the method further includes:
- FIG. 1 is a circuit diagram of a conventional charging and discharging circuit.
- FIG. 19 is a circuit diagram of a charging and discharging circuit provided by an embodiment of the present application.
- Fig. 34 is a circuit diagram of a charging and discharging system provided by an embodiment of the present application.
- Fig. 36 is a flowchart of a control method in a power battery heating scenario provided by an embodiment of the present application.
- the driving motor and its control system are one of the core components of the new energy vehicle, and its driving characteristics determine the main performance indicators of the vehicle.
- the motor drive system of a new energy vehicle is mainly composed of a motor (ie, a motor), a motor controller (eg, an inverter), various detection sensors, and a power supply.
- the motor is a rotating electromagnetic machine that operates on the principle of electromagnetic induction, and is used to convert electrical energy into mechanical energy. During operation, it absorbs electric power from the electrical system and outputs mechanical power to the mechanical system.
- the magnetomotive force of the unidirectional winding is space-ladder distributed, it is a pulsating magnetomotive force that alternates with time according to the changing law of the current.
- the magnetomotive force of the three single-phase windings is superimposed, which is the synthetic magnetic field of the three-phase winding.
- the currents flowing into the three-phase windings of the three-phase winding motor during the heating process are not exactly equal in size, and the currents flowing through the two-phase windings have a phase difference of 180°, and the two-phase currents without phase difference are equal in magnitude. It will cause the three-phase current flowing through the motor winding to be asymmetrical to each other, and the high frequency of the current will cause the problem of large vibration and noise of the motor during the heating process of the power battery.
- Fig. 2 shows a schematic block diagram of the charging and discharging circuit 200 provided by the embodiment of the present application.
- the charging and discharging circuit 200 does not use the motor to heat the battery, and its heating process will not affect the normal operation of the motor.
- the vehicle with the medium battery can run normally.
- the motor is not used for heating, which fundamentally solves the problem of high vibration and noise of the motor during the battery heating process.
- the first switching circuit 231 and the second switching circuit 232 included in the charging and discharging switching module 230 may also have other deformed structures.
- the first switching circuit 231 includes a third diode D13
- the second switching circuit 232 includes a fifth switch V15.
- the cathode of the third diode D13 is connected to the anode of the first battery pack 211
- the anode of the third diode D13 is connected to one end of the fifth switch V15
- the other end of the fifth switch V15 is connected to the positive pole of the first battery pack 211. the negative connection.
- the charging and discharging switching module 230 can flexibly switch the charging circuit or the discharging circuit in the charging and discharging circuit, thereby forming an alternating current in the charging and discharging circuit.
- the energy storage module 250 includes a first energy storage element, and the first energy storage element includes at least one inductor; the first end of the first energy storage element is connected to the switch module, and the second end of the first energy storage element is connected to the charging and discharging switching module 230 connect.
- the first energy storage element includes at least one inductor, or the first energy storage element includes at least one inductor and/or capacitor.
- the connection point of the second upper bridge arm 2411 and the second lower bridge arm 2412 is connected to the first end of the energy storage module 250 , and the second end of the energy storage module 250 is connected to the charging and discharging switching module 230 .
- control module can be a VCU (vehicle controller) or an MCU (motor controller), and can also be other control modules relatively independent of the VCU and MCU, such as a domain controller, which is not specifically limited in this embodiment of the present application .
- the power supply module 210 includes at least the first battery pack 211 .
- the power supply module 210 includes only the first battery pack 211 as an example for illustration.
- the energy storage module 250 stores energy during the battery pack discharging phase, and the energy storage module 250 charges the battery pack during the battery pack charging phase.
- the power supply module 210 may also include two or more battery packs, and any two battery packs in the power supply module 210 may be charged and discharged simultaneously through the charging and discharging circuit of the embodiment of the present application. heating. It is also possible to divide the plurality of battery packs included in the power supply module 210 into two sets of battery packs, and each set of battery packs is connected end-to-end (that is, the negative pole of the first battery pack is connected to the positive pole of the next adjacent battery pack), which is equivalent to For one battery pack, all battery packs can be heated simultaneously through the charging and discharging circuit.
- the first end of the first battery pack 211 may be the positive pole of the first battery pack 211
- the second end of the first battery pack 211 may be the negative pole of the first battery pack 211
- the first terminal of the second battery pack 212 may be the positive pole of the second battery pack 212
- the second terminal of the second battery pack 212 may be the negative pole of the second battery pack 212 .
- first upper bridge arm 2311, the second upper bridge arm 2411 and the positive electrode of the second battery pack 212 are connected in line
- the first lower bridge arm 2321, the second lower bridge arm 2412, the negative pole of the first battery pack 211 and the second battery pack 211 are connected in line
- the negative poles of the two battery packs 212 are collinearly connected.
- One end of the inductor L1 is connected to the connection point of the second upper bridge arm 2411 and the second lower bridge arm 2412
- the other end of the inductor L1 is connected to the connection point of the first upper bridge arm 2311 and the first lower bridge arm 2321 .
- the positive pole of the first battery pack 211 is connected to the second upper bridge arm 2411 .
- first M-phase motor and the second M-phase motor may also be a combination of other arbitrary phase motors, which is not limited in this embodiment of the present application.
- the control module 530 is connected to the switch module 240 and the charge-discharge switch module 230, and is used to send a charge-discharge enable signal to the switch module 240 and the charge-discharge switch module 230, so as to control the switch module 240 and the charge-discharge switch module 230 to be turned on or off , thereby forming an alternately switched charging loop or discharging loop in the charging and discharging circuit 200 .
- the charging and discharging circuit When the charging device 140 charges the first battery pack 211 through the charging and discharging circuit, the charging and discharging circuit enters the charging mode. At this time, since the first battery pack 211 cannot be heated by the charging and discharging circuit, the driving circuit 141 of the motor can The first battery pack 211 is heated. Different from the way of heating the cooling liquid by using the heat generated by the working loss of the motor, in this case, the first battery pack 211 can be heated by controlling the IGBT in the driving circuit 141 to form a charging and discharging circuit.
- any two-phase currents ia and ib collected on the three-phase connection line between the drive circuit 141 and the motor are obtained, and any two-phase currents ia and ib flow from the drive circuit 141 to the motor.
- the motor controller transforms the collected current from the abc coordinate system to the dq coordinate system, and then decomposes in the dq coordinate system to obtain the direct axis component id and the quadrature axis component iq.
- the quadrature-axis component iq, the direct-axis component id, the quadrature-axis signal given value i_q ⁇ *, and the direct-axis signal given value i_d ⁇ * the modulation signal of the switching tube to be turned on is obtained.
- the quadrature axis signal given value i_q ⁇ * is equal to 0. In this way, the first battery pack 211 can be charged and discharged by using the motor winding to store energy.
- the connection mode between the first battery pack and the second battery pack can be controlled through the tenth switch.
- the tenth switch When the tenth switch is turned off, the first battery group is connected in series with the second battery group, and when the tenth switch is turned on, the first battery group and the second battery group are connected in parallel.
- the tenth switch When the first battery pack and the second battery pack need to be heated, the tenth switch is controlled to be turned off, so as to heat the first battery pack and the second battery pack connected in series.
- the tenth switch is controlled to be closed, and the power is supplied to the outside through the first battery pack and the second battery pack connected in parallel.
- the heating cycle may include a first phase and a second phase.
- the first stage in response to the first enable signal sent by the control module, the first lower bridge arm and the upper bridge arm of each group of switch bridge arms are simultaneously turned on, and the first upper bridge arm and the lower bridge arms of each group of switch bridge arms The bridge arm is disconnected to form a circuit for the second battery pack to discharge to the energy storage module.
- the second stage in response to the second enable signal sent by the control module, the upper bridge arm and the first upper bridge arm of each group of switch bridge arms are simultaneously turned on, and the lower bridge arm and the first lower bridge arm of each group of switch bridge arms The arm is disconnected to form a circuit in which the second battery pack and the energy storage module charge the first battery pack.
- the functions described above are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the technical solution.
- the computer software product is stored in a storage medium, including several instruction It is used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disc and other media that can store program codes. .
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Combustion & Propulsion (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims (62)
- 一种充放电电路,其特征在于,包括供电模块、加热模块和充放电切换模块;所述供电模块包括至少第一电池组;所述加热模块包括储能模块及开关模块;所述至少第一电池组、所述开关模块以及所述充放电切换模块并联连接;所述储能模块的第一端与所述开关模块连接,所述储能模块的第二端与所述充放电切换模块连接;所述充放电切换模块和所述开关模块,用于响应于充放电使能信号,在所述充放电电路中产生交流波形的电流。
- 根据权利要求1所述的充放电电路,其特征在于,所述充放电切换模块包括串联的第一切换电路和第二切换电路;所述第一切换电路与所述第二切换电路的连接点与所述储能模块的第二端连接;所述第一切换电路和所述第二切换电路,用于在所述充放电使能信号的触发下导通或截止。
- 根据权利要求2所述的充放电电路,其特征在于,所述第一切换电路包括第一上桥臂,所述第二切换电路包括第一下桥臂;所述第一上桥臂和所述第一下桥臂的连接点与所述储能模块的第二端连接;所述第一上桥臂和所述第一下桥臂,用于在所述充放电使能信号的触发下导通或断开。
- 根据权利要求3所述的充放电电路,其特征在于,所述第一上桥臂包括并联的第一开关和第一二极管,所述第一下桥臂包括并联的第二开关和第二二极管;所述第一二极管的阴极与所述第一电池组的正极连接,所述第一二极管的阳极与所述第二二极管的阴极连接,所述第二二极管的阳极与所述第一电池组的负极连接。
- 根据权利要求3所述的充放电电路,其特征在于,所述第一上桥臂包括第三开关,所述第一下桥臂包括第四开关。
- 根据权利要求2所述的充放电电路,其特征在于,所述第一切换电路包括第三二极管,所述第二切换电路包括第五开关;所述第三二极管的阴极与所述第一电池组的正极连接,所述第三二极管的阳极与所述第五开关的一端连接,所述第五开关的另一端与所述第一电池组的负极连接。
- 根据权利要求6所述的充放电电路,其特征在于,所述第一切换电路还包括第六开关,所述第六开关的一端与所述第一电池组的正极连接,所述第六开关的另一端与所述第三二极管的阴极连接。
- 根据权利要求2所述的充放电电路,其特征在于,所述第一切换电路包括第七开关,所述第二切换电路包括第四二极管;所述第七开关的一端与所述第一电池组的正极连接,所述第七开关的另一端与所述第四二极管的阴极连接,所述第四二极管的阳极与所述第一电池组的负极连接。
- 根据权利要求8所述的充放电电路,其特征在于,所述所述第二切换电路还包括第八开关;所述第八开关串联在所述第四二极管与所述第一电池组的负极之间。
- 根据权利要求1-9任一项所述的充放电电路,其特征在于,所述储能模块包括第一储能元件;所述第一储能元件包括至少一个电感;所述第一储能元件的第一端与所述开关模块连接,所述第一储能元件的第二端与所述充放电切换模块连接。
- 根据权利要求10所述的充放电电路,其特征在于,所述储能模块还包括第二储能元件;所述第二储能元件连接在所述第一储能元件的第二端与所述充放电切换模块之间。
- 根据权利要求11所述的充放电电路,其特征在于,所述第二储能元件包括至少一个电感和/或电容。
- 根据权利要求11所述的充放电电路,其特征在于,所述储能模块与所述充放电切换模块之间连接有第九开关,所述第九开关与所述第二储能元件串联。
- 根据权利要求1-13任一项所述的充放电电路,其特征在于,所述开关模块包括至少一组开关桥臂,所述储能模块中的第一储能元件包括至少一个储能器件,所述储能器件与所述开关桥臂的数目相等,所述储能器件与所述开关桥臂一一对应连接;每个所述储能器件的第二端的连接点与所述充放电切换模块连接。
- 根据权利要求14所述的充放电电路,其特征在于,所述开关模块包括第一开关桥臂,所述第一开关桥臂包括串联的第二上桥臂和第二下桥臂;所述第一开关桥臂的第一端、所述充放电切换模块的第一端及所述供电模块的第一端共线连接;所述第一开关桥臂的第二端、所述充放电切换模块的第二端及所述供电模块的第二端共线连接。
- 根据权利要求15所述的充放电电路,其特征在于,所述第一储能元件包括电感和/或电容;所述第二上桥臂和所述第二下桥臂的连接点与所述第一储能元件的第一端连接,所述第一储能元件的第二端与所述充放电切换模块连接。
- 根据权利要求14所述的充放电电路,其特征在于,每组所述开关桥臂均包括上桥臂和下桥臂,且上桥臂和下桥臂均包括并联的开关和二极管,或者,上桥臂和下桥臂均包括开关。
- 根据权利要求1-13任一项所述的充放电电路,其特征在于,所述开关模块包括至少一组开关支路,所述至少一组开关支路包括串联的开关和二极管;所述储能模块中的第一储能元件包括至少一个储能器件,所述储能器件与所述开关支路的数目相等,所述储能器件与所述开关支路一一对应连接。
- 根据权利要求18所述的充放电电路,其特征在于,所述开关支路中的二极管的阴极与所述供电模块的正极连接,所述开关支路中的二极管的阳极与所述供电模块的负极连接。
- 根据权利要求1-9任一项所述的充放电电路,其特征在于,所述储能模块包括 M相电机,所述开关模块包括M相桥臂,M为正整数;其中,所述M相桥臂与所述供电模块及所述充放电切换模块并联连接;所述M相桥臂的上下桥臂连接点分别与所述M相电机的M相绕组一一对应连接;所述充放电切换模块与所述M相绕组的连接点连接。
- 根据权利要求20所述的充放电电路,其特征在于,所述M相电机包括第一M相电机及第二M相电机;所述第一M相电机的M相绕组连接点与所述第二M相电机的M相绕组连接点连接。
- 根据权利要求21所述的充放电电路,其特征在于,所述开关模块的M相桥臂的上下桥臂连接点分别与所述第一M相电机的M相绕组一一对应连接。
- 根据权利要求21所述的充放电电路,其特征在于,所述充放电切换模块包括M相桥臂;所述充放电切换模块的M相桥臂中上下桥臂连接点分别与所述第二M相电机的M相绕组一一对应连接。
- 根据权利要求1-9任一项所述的充放电电路,其特征在于,所述供电模块包括第一电池组;所述充放电切换模块和所述开关模块,用于响应于充放电使能信号,在所述充放电电路中产生的交流电流的波形包括三角波形、类三角波形、正弦波形及类正弦波形中的任意一种。
- 根据权利要求1-5任一项所述的充放电电路,其特征在于,所述供电模块包括至少第一电池组和第二电池组;所述充放电切换模块和所述开关模块,用于响应于第一充放电使能信号,在所述充放电电路中产生方波或类方波的交流电流;或者,用于响应于第二充放电使能信号,在所述充放电电路中产生三角波形、类三角波形、正弦波形及类正弦波形中的任意一种波形的交流电流;其中,所述第一充放电使能信号对应的充放电频率大于所述第二充放电使能信号对应的充放电频率。
- 根据权利要求25所述的充放电电路,其特征在于,所述第二电池组的第一端与所述充放电切换模块的第一端连接,所述第二电池组的第二端与所述第一电池组的第二端、所述开关模块的第二端、所述充放电切换模块的第二端共线连接;所述第一电池组的第一端与所述开关模块的第一端连接;所述第一电池组的第一端与所述第二电池组的第一端之间连接有第十开关。
- 根据权利要求25所述的充放电电路,其特征在于,所述储能模块的第一端与所述开关模块的第一端连接,所述储能模块的第二端与所述充放电切换模块的第一端连接;或者,所述储能模块的第一端与所述开关模块的第二端连接,所述储能模块的第二端与所述充放电切换模块的第二端连接。
- 根据权利要求1-9任一项所述的充放电电路,其特征在于,所述供电模块包括的电池组的两端并联有电容。
- 一种充放电系统,其特征在于,包括控制模块以及权利要求1-28任一项所述的充放电电路;所述控制模块,用于向所述充放电电路发送指令以控制供电模块进行充放电。
- 根据权利要求29所述的充放电系统,其特征在于,还包括与所述充放电电路连接的充电装置;所述充电装置用于通过所述充放电电路向所述供电模块包括的电池组充电。
- 一种充放电控制方法,其特征在于,应用于权利要求29或30所述的充放电系统,所述方法包括:发送充放电使能信号,控制所述充放电切换模块和所述开关模块导通或截止,使所述充放电电路中形成交替切换的充电回路和放电回路,以产生交流波形的电流。
- 根据权利要求31所述的方法,其特征在于,以预设频率交替地向所述充放电切换模块和所述开关模块发送充电使能信号和放电使能信号,以控制交替地切换所述充电回路和放电回路。
- 根据权利要求31或32所述的方法,其特征在于,所述充放电切换模块包括串联的第一切换电路和第二切换电路,所述开关模块包括至少一组开关桥臂,每组开关桥臂包括上桥臂和下桥臂;所述交替切换的充电回路和放电回路包括:所述开关模块的每组上桥臂、所述储能模块、所述第二切换电路以及所述供电模块之间的回路,和,所述开关模块的每组下桥臂、所述储能模块、所述第一切换电路以及所述供电模块之间的回路。
- 根据权利要求31所述的方法,其特征在于,所述供电模块包括至少第一电池组,所述充放电切换模块包括第一切换电路和第二切换电路,所述第一切换电路包括第一上桥臂,所述第二切换电路包括第一下桥臂;所述开关模块包括至少一组开关桥臂;发送放电使能信号,控制所述第一上桥臂和每组所述开关桥臂的下桥臂导通,形成所述供电模块、所述第一上桥臂、所述储能模块及每组所述开关桥臂的下桥臂之间的放电回路;发送充电使能信号,控制所述第一下桥臂和每组所述开关桥臂的上桥臂导通,形成所述供电模块、所述第一下桥臂、所述储能模块及每组所述开关桥臂的上桥臂之间的充电回路。
- 根据权利要求34所述的方法,其特征在于,发送放电使能信号,控制每组所述开关桥臂的上桥臂和所述第一下桥臂导通,形成所述供电模块、每组所述开关桥臂的上桥臂、所述储能模块及所述第一下桥臂之间的放电回路;发送充电使能信号,控制每组所述开关桥臂的下桥臂和所述第一上桥臂导通,形成所述供电模块、每组所述开关桥臂的下桥臂、所述储能模块及所述第一上桥臂之间 的充电回路。
- 根据权利要求31所述的方法,其特征在于,所述供电模块包括至少第一电池组,所述充放电切换模块包括第一切换电路和第二切换电路,所述第一切换电路包括第三二极管,所述第二切换电路包括第五开关;所述开关模块包括至少一组开关桥臂;发送放电使能信号,控制每组所述开关桥臂的上桥臂和所述第五开关导通,形成所述供电模块、每组所述开关桥臂的上桥臂、所述储能模块及所述第五开关之间的放电回路;发送充电使能信号,控制每组所述开关桥臂的下桥臂导通,形成所述供电模块、每组所述开关桥臂的下桥臂、所述储能模块及所述第三二极管之间的充电回路。
- 根据权利要求31所述的方法,其特征在于,所述供电模块包括至少第一电池组,所述充放电切换模块包括第一切换电路和第二切换电路,所述第一切换电路包括第七开关,所述第二切换电路包括第四二极管,所述第四二极管的阳极与所述第一电池组的负极连接;所述开关模块包括至少一组开关桥臂;发送放电使能信号,控制所述第七开关及每组所述开关桥臂的下桥臂导通,形成所述供电模块、所述第七开关、所述储能模块及每组所述开关桥臂的下桥臂之间的放电回路;发送充电使能信号,控制每组所述开关桥臂的上桥臂导通,形成所述供电模块、所述第四二极管、所述储能模块及每组所述开关桥臂的上桥臂之间的充电回路。
- 根据权利要求37所述的方法,其特征在于,所述第四二极管的阴极与所述第一电池组的负极连接;发送放电使能信号,控制每组所述开关桥臂的上桥臂导通,形成所述供电模块、每组所述开关桥臂的上桥臂、所述储能模块及所述第四二极管之间的放电回路;发送充电使能信号,控制所述第七开关及每组所述开关桥臂的下桥臂导通,形成所述供电模块、每组所述开关桥臂的下桥臂、所述储能模块及所述第七开关之间的充电回路。
- 根据权利要求31所述的方法,其特征在于,所述供电模块包括至少第一电池组,所述储能模块包括第一M相电机和第二M相电机,所述开关模块包括M相桥臂,所述充放电切换模块包括M相桥臂;所述第一M相电机的M相绕组与所述开关模块的M相桥臂一一对应连接,所述第二M相电机的M相绕组与所述充放电切换模块的M相桥臂一一对应连接;第一M相电机的M相绕组连接点和第二M相电机的M相绕组连接点连接;发送放电使能信号,控制所述开关模块的M相桥臂的上桥臂和所述充放电切换模块的M相桥臂的下桥臂导通,形成所述供电模块、所述开关模块的M相桥臂的上桥臂、所述第一M相电机、所述第二M相电机及所述充放电切换模块的M相桥臂的下桥臂之间的放电回路;发送充电使能信号,控制所述充放电切换模块的M相桥臂的上桥臂和所述开关模块的M相桥臂的下桥臂导通,形成所述供电模块、所述开关模块的M相桥臂的下桥臂、所述第一M相电机、所述第二M相电机及所述充放电切换模块的M相桥臂的上桥臂 之间的充电回路。
- 根据权利要求39所述的方法,其特征在于,发送放电使能信号,控制所述充放电切换模块的M相桥臂的上桥臂和所述开关模块的M相桥臂的下桥臂导通,形成所述供电模块、所述开关模块的M相桥臂的下桥臂、所述第一M相电机、所述第二M相电机及所述充放电切换模块的M相桥臂的上桥臂之间的放电回路;发送充电使能信号,控制所述开关模块的M相桥臂的上桥臂和所述充放电切换模块的M相桥臂的下桥臂导通,形成所述供电模块、所述充放电切换模块的M相桥臂的下桥臂、所述第一M相电机、所述第二M相电机及所述开关模块的M相桥臂的上桥臂之间的充电回路。
- 根据权利要求31所述的方法,其特征在于,所述供电模块包括至少第一电池组和第二电池组;通过所述充电回路或所述放电回路对所述第一电池组或所述第二电池组进行充放电,在所述充放电电路中形成方波或类方波的交流电流;所述充放电包括切换所述第一电池组与所述第二电池组的充放电状态;所述充放电状态包括所述第一电池组充电,同时所述第二电池组放电;或者,所述第一电池组放电,同时所述第二电池组充电。
- 根据权利要求41所述的方法,其特征在于,所述第二电池组的第一端与所述充放电切换模块的第一端连接,所述第二电池组的第二端与所述第一电池组的第二端、所述开关模块的第二端、所述充放电切换模块的第二端共线连接;所述第一电池组的第一端与所述开关模块的第一端连接;所述第一电池组的第一端与所述第二电池组的第一端之间连接有第十开关;所述方法还包括:确定所述第一电池组和所述第二电池组满足加热条件,控制所述第十开关断开。
- 根据权利要求42所述的方法,其特征在于,所述充放电切换模块包括第一切换电路和第二切换电路,所述第一切换电路包括第一上桥臂,所述第二切换电路包括第一下桥臂;所述开关模块包括至少一组开关桥臂;所述储能模块的一端与所述第一上桥臂和所述第一下桥臂的连接点连接,所述储能模块的另一端与所述开关桥臂的上下桥臂连接点连接;发送第一使能信号,控制所述第一上桥臂及每组所述开关桥臂的下桥臂均导通,形成所述第一电池组、所述第一上桥臂、所述储能模块和所每组所述开关桥臂的下桥臂之间的放电回路,使所述第一电池组向所述储能模块放电;发送第二使能信号,控制所述第一上桥臂及每组所述开关桥臂的上桥臂均导通,形成所述第一电池组、所述第一上桥臂、所述储能模块、每组所述开关桥臂的上桥臂和所述第二电池组的充电回路,使所述第一电池组和所述储能模块向所述第二电池组充电。
- 根据权利要求43所述的方法,其特征在于,所述方法还包括:反复切换每组所述开关桥臂的上桥臂导通或下桥臂导通,以控制向所述第二电池组充电的时间。
- 根据权利要求43所述的方法,其特征在于,所述方法还包括:发送第三使能信号,控制所述第一下桥臂及每组所述开关桥臂的上桥臂均导通,形成所述第二电池组、每组所述开关桥臂的上桥臂、所述储能模块及所述第一下桥臂之间的放电回路,使所述第二电池组向所述储能模块放电;发送第四使能信号,控制所述第一上桥臂及每组所述开关桥臂的上桥臂均导通,形成所述第二电池组、每组所述开关桥臂的上桥臂、所述储能模块、所述第一上桥臂和所述第一电池组的充电回路,使所述第二电池组和所述储能模块向所述第一电池组充电。
- 根据权利要求45所述的方法,其特征在于,所述方法还包括:反复切换所述第一上桥臂导通或所述第一下桥臂导通,以控制向所述第一电池组充电的时间。
- 根据权利要求42所述的方法,其特征在于,所述所述充放电切换模块包括第一切换电路和第二切换电路,所述第一切换电路包括第一上桥臂,所述第二切换电路包括第一下桥臂;所述开关模块包括至少一组开关桥臂;所述储能模块的第一端与所述开关模块的第一端连接,所述储能模块的第二端与所述充放电切换模块的第一端连接;发送第一使能信号,控制所述第一下桥臂和每组所述开关桥臂的上桥臂同时导通,形成所述第一电池组向所述储能模块放电的回路;发送第二使能信号,控制每组所述开关桥臂的下桥臂及所述第一下桥臂同时导通,形成所述第一电池组和所述储能模块向所述第二电池组充电的回路。
- 根据权利要求47所述的方法,其特征在于,所述方法还包括:发送第三使能信号,控制所述第一上桥臂和每组所述开关桥臂的下桥臂同时导通,形成所述第二电池组向所述储能模块放电的回路;发送第四使能信号,控制所述第一下桥臂和每组所述开关桥臂的下桥臂同时导通,形成所述第二电池组和所述储能模块向所述第一电池组充电的回路。
- 根据权利要求42所述的方法,其特征在于,所述充放电切换模块包括第一切换电路和第二切换电路,所述第一切换电路包括第一上桥臂,所述第二切换电路包括第一下桥臂;所述开关模块包括至少一组开关桥臂;所述储能模块的第一端与所述开关模块的第二端连接,所述储能模块的第二端与所述充放电切换模块的第二端连接;发送第一使能信号,控制所述第一下桥臂和每组所述开关桥臂的上桥臂同时导通,形成所述第二电池组向所述储能模块放电的回路;发送第二使能信号,控制每组所述开关桥臂的上桥臂及所述第一上桥臂同时导通,形成所述第二电池组和所述储能模块向所述第一电池组充电的回路。
- 根据权利要求49所述的方法,其特征在于,所述方法还包括:发送第三使能信号,控制所述第一上桥臂和每组所述开关桥臂的下桥臂同时导通,形成所述第一电池组向所述储能模块放电的回路;发送第四使能信号,控制所述第一上桥臂和每组所述开关桥臂的上桥臂同时导通,形成所述第一电池组和所述储能模块向所述第二电池组充电的回路。
- 根据权利要求42所述的方法,其特征在于,所述所述充放电切换模块包括第一 切换电路和第二切换电路,所述第一切换电路包括第一上桥臂,所述第二切换电路包括第一下桥臂;所述开关模块包括至少一组开关桥臂;所述储能模块的一端与所述第一上桥臂和所述第一下桥臂的连接点连接,所述储能模块的另一端与所述开关桥臂的上下桥臂连接点连接;发送第一使能信号,控制所述第一上桥臂及每组所述开关桥臂的上桥臂均导通,形成所述第一电池组、每组所述开关桥臂的上桥臂、所述储能模块、所述第一上桥臂和所述第二电池组之间的充放电回路,使所述第一电池组向所述储能模块放电,以及所述第一电池组和所述储能模块向所述第二电池组充电;发送第二使能信号,控制所述第一上桥臂及每组所述开关桥臂的上桥臂均导通,形成所述第一电池组、所述第一上桥臂、所述储能模块、每组所述开关桥臂的上桥臂和所述第二电池组的充放电回路,使所述第二电池组向所述储能模块放电,以及所述第二电池组和所述储能模块向所述第一电池组充电。
- 根据权利要求31-51任一项所述的方法,其特征在于,所述储能模块与所述充放电切换模块之间连接有第九开关;确定所述供电模块包括的电池组满足加热条件,控制所述第九开关闭合;或者,确定所述电池组满足停止加热条件,控制所述第九开关断开。
- 根据权利要求31-51任一项所述的方法,其特征在于,发送充放电使能信号之前,还包括:确定所述供电模块中每个电池组的荷电状态值是否大于或等于预设荷电阈值;若每个电池组的荷电状态值大于或等于所述预设阈值,则以预设频率交替地向所述充放电切换模块和所述开关模块发送充放电使能信号。
- 根据权利要求53所述的方法,其特征在于,所述确定所述供电模块中每个电池组的荷电状态值是否大于或等于预设荷电阈值之前,还包括:确定所述供电模块的温度是否小于预设温度阈值;如果是,则执行确定所述供电模块中每个电池组的荷电状态值是否大于或等于预设荷电阈值的操作。
- 根据权利要求31-51任一项所述的方法,其特征在于,发送充放电使能信号之前,还包括:获取所述电机的工作状态;若所述工作状态指示所述电机处于非驱动状态,则以预设频率交替地向所述充放电切换模块和所述开关模块发送充放电使能信号。
- 根据权利要求31-51任一项所述的方法,其特征在于,发送充放电使能信号之前,还包括:接收车辆控制器发送的控制信号;若所述控制信号指示为所述供电模块加热,则以预设频率交替地向所述充放电切换模块和所述开关模块发送充放电使能信号。
- 根据权利要求31-51任一项所述的方法,其特征在于,发送充放电使能信号之前,还包括:接收电池管理系统发送的请求数据;若所述请求数据指示所述供电模块满足加热条件,则以预设频率交替地向所述充放电切换模块和所述开关模块发送充放电使能信号。
- 根据权利要求31-51任一项所述的方法,其特征在于,所述方法还包括:在所述充放电过程中,确定所述供电模块包括的每个电池组的温度是否满足停止加热条件;所述停止加热条件包括所述电池组达到预设温度或所述电池组的温升异常;若是,则向所述充放电切换模块和所述开关模块发送停止加热信号,所述停止加热信号触发所述充放电切换模块和所述开关模块断开所述充放电回路。
- 根据权利要求31-51任一项所述的方法,其特征在于,所述充放电系统还包括充电装置,所述方法还包括:在所述充电装置的电压低于所述供电模块的电压时,控制所述开关模块和所述充放电切换模块,形成所述充电装置向所述储能模块充电的回路、以及所述充电装置和所述储能模块同时向所述供电模块充电的回路;在所述充电装置的电压高于所述供电模块的电压时,控制所述开关模块和所述充放电切换模块,形成所述充电装置向所述供电模块和所述储能模块充电的回路、以及所述储能模块向所述供电模块充电的回路。
- 根据权利要求59所述的方法,其特征在于,所述储能模块与所述开关模块连接的一端通过第一开关管与充电装置的一端连接,所述开关模块的第二端与所述充电装置的另一端连接,所述充电装置用于通过所述加热模块向所述供电模块充电,所述开关模块包括至少一组开关桥臂,所述充放电切换模块包括第一切换电路和第二切换电路,所述方法还包括:控制每组开关桥臂的上桥臂断开;在所述充电装置的电压低于所述供电模块的电压时,控制所述第二切换电路和所述第一开关管导通,所述第一切换电路和每组开关桥臂的下桥臂断开,形成包括所述充电装置、所述储能模块和所述第二切换电路的回路,用于所述充电装置对所述储能模块充电;以及,控制所述第一切换电路和所述第一开关管导通,所述第二切换电路和每组开关桥臂的下桥臂断开,形成包括所述充电装置、所述储能模块、所述第一切换电路和所述供电模块的回路,用于所述充电装置和所述储能模块同时向所述供电模块充电。
- 根据权利要求60所述的方法,其特征在于,所述每组开关桥臂的下桥臂中包括并联的开关和二极管;所述方法还包括:在所述充电装置的电压高于所述供电模块的电压时,控制所述第一切换电路和所述第一开关管闭合,所述第二切换电路和每组开关桥臂的下桥臂断开,形成包括所述充电装置、所述储能模块、所述第一切换电路和所述供电模块的回路,用于所述充电装置向所述供电模块和所述储能模块充电;以及,控制所述第一切换电路闭合,所述第二切换电路、所述每组开关桥臂的下桥臂和所述第一开关管断开,形成包括所述储能模块、所述第一切换电路、所述供电模块和所述每组开关桥臂的下桥臂中的二极管的回路,用于所述储能模块向所述供电模块充 电。
- 一种用电设备,其特征在于,包括权利要求29所述的充放电系统。
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116365669A (zh) * | 2023-06-01 | 2023-06-30 | 钛玛科(北京)工业科技有限公司 | 一种锂电池的网络管理优化方法及系统 |
| CN116505139A (zh) * | 2023-06-30 | 2023-07-28 | 宁德时代新能源科技股份有限公司 | 电池加热控制方法、装置、电子设备及电池加热电路 |
| WO2024244275A1 (zh) * | 2023-05-29 | 2024-12-05 | 宁德时代新能源科技股份有限公司 | 充放电电路、方法、计算设备及其控制装置 |
| WO2024255070A1 (zh) * | 2023-06-12 | 2024-12-19 | 宁德时代新能源科技股份有限公司 | 充放电电路、方法、计算设备及其控制装置 |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216354438U (zh) * | 2021-10-29 | 2022-04-19 | 宁德时代新能源科技股份有限公司 | 自加热控制电路和系统 |
| JP7446390B2 (ja) * | 2021-11-08 | 2024-03-08 | 台達電子工業股▲ふん▼有限公司 | モータ駆動と電池の充放電を備えた電源統合システム |
| KR20240085706A (ko) * | 2022-12-08 | 2024-06-17 | 현대자동차주식회사 | 전동화 차량 및 이의 제어 방법 |
| CN116722237B (zh) * | 2023-06-09 | 2024-06-04 | 武汉理工大学 | 一种动力电池的低温预热电路结构及控制方法 |
| CN117317454B (zh) * | 2023-11-02 | 2025-06-03 | 奇瑞汽车股份有限公司 | 电池组自加热系统及方法 |
| US20250239944A1 (en) * | 2024-01-22 | 2025-07-24 | Ford Global Technologies, Llc | Power module gate oxide self-healing method |
| CN120637690A (zh) * | 2024-03-11 | 2025-09-12 | 宁德时代新能源科技股份有限公司 | 储能单元加热方法、装置、设备、存储介质和程序产品 |
| CN119496267B (zh) * | 2025-01-17 | 2025-09-26 | 宁德时代新能源科技股份有限公司 | 电池控制电路、电池系统、用电装置及电池充电控制方法 |
| CN119561207B (zh) * | 2025-01-17 | 2025-11-07 | 宁德时代新能源科技股份有限公司 | 电池控制电路、电池系统、用电装置及电池充电控制方法 |
| CN120825155B (zh) * | 2025-09-18 | 2025-12-12 | 中国科学院苏州生物医学工程技术研究所 | 开关快速导通关断产生电路及其控制方法、电路板 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110144861A1 (en) * | 2009-12-14 | 2011-06-16 | Control Solutions LLC | Electronic circuit for charging and heating a battery |
| DE102013226372A1 (de) * | 2013-12-18 | 2015-06-18 | Volkswagen Aktiengesellschaft | Batterieeinheit und Verfahren zum Heizen einer Batterieeinheit |
| CN111391718A (zh) * | 2020-06-04 | 2020-07-10 | 比亚迪股份有限公司 | 电池能量处理装置、方法及车辆 |
| CN111660875A (zh) * | 2020-06-04 | 2020-09-15 | 比亚迪股份有限公司 | 车辆、能量转换装置及其控制方法 |
| CN212587580U (zh) * | 2020-05-29 | 2021-02-23 | 比亚迪股份有限公司 | 电池能量处理装置和车辆 |
| CN113119802A (zh) * | 2019-12-31 | 2021-07-16 | 比亚迪股份有限公司 | 车辆、能量转换装置及其控制方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101230353B1 (ko) * | 2010-01-28 | 2013-02-06 | 주식회사 엘지화학 | 전지 내부 저항을 이용한 저온 성능 개선 전지팩 시스템 |
| US9209500B2 (en) * | 2012-09-24 | 2015-12-08 | Samsung Sdi Co., Ltd. | Temperature controlling system and method of battery |
| JP6596383B2 (ja) * | 2016-05-23 | 2019-10-23 | 本田技研工業株式会社 | 充放電装置、輸送機器及び制御方法 |
| CN111355430B (zh) * | 2018-12-21 | 2022-05-13 | 比亚迪股份有限公司 | 电机控制电路、充放电方法、加热方法及车辆 |
| CN110015202B (zh) * | 2019-03-28 | 2021-01-22 | 清华大学 | 电动汽车电池加热方法 |
| CN110116653B (zh) * | 2019-04-19 | 2024-02-09 | 清华大学 | 电动汽车驱动系统、驱动电路及电动汽车电池加热方法 |
| CN110962692B (zh) * | 2019-06-24 | 2020-12-11 | 宁德时代新能源科技股份有限公司 | 电池组加热系统及其控制方法 |
| CN112550079B (zh) * | 2019-09-25 | 2022-09-06 | 比亚迪股份有限公司 | 能量转换装置及车辆 |
| JP7232747B2 (ja) * | 2019-12-10 | 2023-03-03 | 株式会社Soken | 電力変換装置 |
| CN112977171B (zh) * | 2021-04-30 | 2022-05-31 | 重庆长安新能源汽车科技有限公司 | 一种电动汽车及动力电池脉冲加热系统 |
-
2022
- 2022-04-22 KR KR1020247004327A patent/KR20240031382A/ko active Pending
- 2022-04-22 EP EP22851620.9A patent/EP4369474A4/en active Pending
- 2022-04-22 JP JP2024507051A patent/JP7767579B2/ja active Active
- 2022-04-22 WO PCT/CN2022/088567 patent/WO2023010898A1/zh not_active Ceased
- 2022-04-22 CN CN202280004725.0A patent/CN115917836B/zh active Active
-
2024
- 2024-02-02 US US18/431,824 patent/US20240178690A1/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110144861A1 (en) * | 2009-12-14 | 2011-06-16 | Control Solutions LLC | Electronic circuit for charging and heating a battery |
| DE102013226372A1 (de) * | 2013-12-18 | 2015-06-18 | Volkswagen Aktiengesellschaft | Batterieeinheit und Verfahren zum Heizen einer Batterieeinheit |
| CN113119802A (zh) * | 2019-12-31 | 2021-07-16 | 比亚迪股份有限公司 | 车辆、能量转换装置及其控制方法 |
| CN212587580U (zh) * | 2020-05-29 | 2021-02-23 | 比亚迪股份有限公司 | 电池能量处理装置和车辆 |
| CN111391718A (zh) * | 2020-06-04 | 2020-07-10 | 比亚迪股份有限公司 | 电池能量处理装置、方法及车辆 |
| CN111660875A (zh) * | 2020-06-04 | 2020-09-15 | 比亚迪股份有限公司 | 车辆、能量转换装置及其控制方法 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4369474A4 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024244275A1 (zh) * | 2023-05-29 | 2024-12-05 | 宁德时代新能源科技股份有限公司 | 充放电电路、方法、计算设备及其控制装置 |
| CN116365669A (zh) * | 2023-06-01 | 2023-06-30 | 钛玛科(北京)工业科技有限公司 | 一种锂电池的网络管理优化方法及系统 |
| CN116365669B (zh) * | 2023-06-01 | 2023-11-03 | 钛玛科(北京)工业科技有限公司 | 一种锂电池的网络管理优化方法及系统 |
| WO2024255070A1 (zh) * | 2023-06-12 | 2024-12-19 | 宁德时代新能源科技股份有限公司 | 充放电电路、方法、计算设备及其控制装置 |
| CN116505139A (zh) * | 2023-06-30 | 2023-07-28 | 宁德时代新能源科技股份有限公司 | 电池加热控制方法、装置、电子设备及电池加热电路 |
| CN116505139B (zh) * | 2023-06-30 | 2024-03-29 | 宁德时代新能源科技股份有限公司 | 电池加热控制方法、装置、电子设备及电池加热电路 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115917836B (zh) | 2024-01-30 |
| JP7767579B2 (ja) | 2025-11-11 |
| EP4369474A4 (en) | 2024-11-20 |
| US20240178690A1 (en) | 2024-05-30 |
| CN115917836A (zh) | 2023-04-04 |
| KR20240031382A (ko) | 2024-03-07 |
| JP2024534278A (ja) | 2024-09-19 |
| EP4369474A1 (en) | 2024-05-15 |
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