CN114013303B - Integrated unit and charging system based on wired charging and wireless charging - Google Patents
Integrated unit and charging system based on wired charging and wireless charging Download PDFInfo
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- CN114013303B CN114013303B CN202111229849.2A CN202111229849A CN114013303B CN 114013303 B CN114013303 B CN 114013303B CN 202111229849 A CN202111229849 A CN 202111229849A CN 114013303 B CN114013303 B CN 114013303B
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- charging
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- 238000004146 energy storage Methods 0.000 claims abstract description 131
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 30
- 230000009467 reduction Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 19
- 230000006641 stabilisation Effects 0.000 description 5
- 238000011105 stabilization Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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
- B60L53/12—Inductive 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
- B60L53/10—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
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- 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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
-
- 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
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
-
- 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
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The utility model provides an integrated element and charging system based on wired charge and wireless charge, when the charge mode is wired charge, control the power switch subunit is right come from the electric energy of wired charge input interface is rectified the back, through output interface is power battery charge, when the charge mode is wireless charge, control the power switch subunit with the energy storage subunit is right come from behind the electric energy of wireless charge input interface is stabilized voltage, through output interface is power battery charges. Therefore, the rectification and the voltage stabilizing function during wireless charging can be realized through the same integrated unit, and the purposes of reducing the cost, the volume and the weight of automobile parts and optimizing the space layout of the automobile are achieved.
Description
Technical Field
The application belongs to the field of vehicle charging, and particularly relates to an integrated unit and a charging system based on wired charging and wireless charging.
Background
With the development of intelligence, wireless charging opportunities of automobiles are gradually appearing on more and more automobile types, and the wireless charging devices and the wire charging devices are generally required to be installed on the automobiles. At present, due to the problem of the cost of wireless charging products and the phenomena of complex internal structure, unreasonable space layout and the like of automobiles because the volume of the wireless charger and the wired charger are larger and the weight of the wireless charger is higher, wireless charging is difficult to popularize very quickly.
Disclosure of Invention
The embodiment of the application provides an integrated unit and a charging system based on wired charging and wireless charging, so that the purposes of reducing the cost, the volume and the weight of automobile parts and optimizing the space layout of an automobile are achieved by simultaneously realizing rectification during wired charging and voltage stabilizing function during wireless charging through one integrated unit.
In a first aspect, an embodiment of the present application provides an integrated unit based on wired charging and wireless charging, which is applied to a charging system, where the charging system includes the integrated unit and a control unit, and the integrated unit includes a wired charging input interface, a wireless charging input interface, a power switch subunit, an energy storage subunit and an output interface;
the wired charging input interface is connected with the power switch subunit;
the wireless charging input interface is connected with the power switch subunit, and the energy storage subunit is respectively connected with the power switch subunit and the output interface; or the wireless charging input interface is connected with the energy storage subunit, and the power switch subunit is respectively connected with the energy storage subunit and the output interface;
the control unit is connected with the integrated unit;
The control unit is used for controlling the power switch subunit to rectify electric energy from the wired charging input interface when the charging mode is wired charging, then charging the power battery through the output interface, and controlling the power switch subunit and the energy storage subunit to stabilize the electric energy from the wireless charging input interface when the charging mode is wireless charging, then charging the power battery through the output interface.
Therefore, in the present application, when the charging mode is wired charging, the power switch subunit is controlled to rectify the electric energy from the wired charging input interface, and then the power battery is charged through the output interface, and when the charging mode is wireless charging, the power switch subunit and the energy storage subunit are controlled to stabilize the voltage of the electric energy from the wireless charging input interface, and then the power battery is charged through the output interface. Therefore, the rectification and the voltage stabilizing function during wireless charging can be realized through the same integrated unit, and the purposes of reducing the cost, the volume and the weight of automobile parts and optimizing the space layout of the automobile are achieved.
Further, the integrated unit further comprises a switch subunit, and the switch subunit is connected with the control unit; the wireless charging input interface is connected with the power switch subunit, and the switch subunit is connected with the energy storage subunit in parallel under the condition that the energy storage subunit is respectively connected with the power switch subunit and the output interface; the control unit is used for controlling the switch state of the switch subunit to be in a closed state when the charging mode is the wired charging, and controlling the switch state of the switch subunit to be in an open state when the charging mode is the wireless charging.
Therefore, in the application, the function of the integrated unit is controlled by controlling the switch state of the switch subunit, so that the structure is simple, the current function can be changed in time after the charging state is switched, and the circuit requirement is met.
More specifically, the power switch subunit comprises a first power switch tube, a second power switch tube, a third power switch tube and a fourth power switch tube; the first end of the first power switch tube is connected with the first end of the second power switch tube, the first end of the third power switch tube is connected with the first end of the fourth power switch tube, the second end of the first power switch tube is connected with the switch subunit after being combined with the second end of the third power switch tube, and the second end of the second power switch tube is connected with the output interface after being combined with the second end of the fourth power switch tube; the first end of the first power switch tube is connected with the first end of the wired charging input interface after being combined with the first end of the second power switch tube, and the first end of the third power switch tube is connected with the second end of the wired charging input interface after being combined with the first end of the fourth power switch tube; the first end of the first power switch tube is connected with the first end of the second power switch tube after being combined, or the first end of the third power switch tube is connected with the first end of the wireless charging input interface after being combined with the first end of the fourth power switch tube, the second end of the wireless charging input interface is connected with the output interface, and the second end of the first power switch tube is connected with the energy storage subunit after being combined with the second end of the third power switch tube.
Therefore, in the application, through four power switch tubes and an energy storage subunit, rectification during wired charging and voltage reduction and stabilization functions during wireless charging are realized, and the purposes of reducing the cost, the volume and the weight of automobile parts and optimizing the space layout of the automobile are achieved.
Still further, the power switch subunit further includes a switch module, where the switch module is connected to the first end of the first power switch tube and the first end of the fourth power switch tube, and the switch subunit is further connected to the control unit; the control unit is used for controlling the switch state of the switch module to be in an open state when the charging mode is the wired charging, and controlling the switch state of the switch module to be in a closed state when the charging mode is the wireless charging.
Therefore, in the application, the four power switch tubes can work when the wireless charging is performed through the switch module, and the output power can be improved.
Further, the energy storage subunit comprises a first energy storage module and a second energy storage module, and the first energy storage module is connected with the second energy storage module in parallel; the control unit is used for controlling the switch state of the switch module to be in a closed state when the charging mode is wireless charging, so that the first power switch tube, the second power switch tube and the first energy storage module form a first voltage reduction and stabilizing circuit, and the third power switch tube, the fourth power switch tube and the second energy storage module form a second voltage reduction and stabilizing circuit.
Therefore, in the application, the voltage reduction and stabilization functions during wireless charging are realized through the two energy storage modules and the four power switch tubes, and the output power can be improved.
Further, the integrated unit further comprises a switch subunit, and the switch subunit is connected with the control unit; the power switch subunit is connected with the wireless charging input interface and the energy storage subunit respectively under the condition that the wireless charging input interface is connected with the energy storage subunit and the power switch subunit is connected with the energy storage subunit respectively; the control unit is used for controlling the switch state of the switch subunit to be in an open state when the charging mode is the wired charging, and controlling the switch state of the switch subunit to be in a closed state when the charging mode is the wireless charging.
Therefore, the function of the integrated unit is controlled by controlling the switch state of the switch subunit, so that the charging device is simple in structure, and the current function can be changed in time after the charging state is switched, and the circuit requirement is met.
Further, the power switch subunit comprises a first power switch tube, a second power switch tube, a third power switch tube and a fourth power switch tube; the first end of the first power switch tube is connected with the first end of the second power switch tube, the first end of the third power switch tube is connected with the first end of the fourth power switch tube, the second end of the first power switch tube is connected with the output interface after being combined with the second end of the third power switch tube, and the second end of the second power switch tube is connected with the output interface after being combined with the second end of the fourth power switch tube; the first end of the first power switch tube is connected with the first end of the wired charging input interface after being combined with the first end of the second power switch tube, and the first end of the third power switch tube is connected with the second end of the wired charging input interface after being combined with the first end of the fourth power switch tube; the first end of the first power switch tube and the first end of the second power switch tube are connected after being combined, or the first end of the third power switch tube and the first end of the fourth power switch tube are connected after being combined, the switch subunit is respectively connected with the energy storage subunit and the first end of the wireless charging input interface, and the second end of the wireless charging input interface is connected with the output interface.
Therefore, in the application, through four power switch tubes and an energy storage subunit, rectifying during wired charging and boosting and voltage stabilizing functions during wireless charging are realized, and the purposes of reducing the cost, the volume and the weight of automobile parts and optimizing the space layout of the automobile are achieved.
Still further, the power switch subunit further includes a switch module, where the switch module is connected to the first end of the first power switch tube and the first end of the fourth power switch tube, and the switch module is further connected to the control unit; the control unit is used for controlling the switch state of the switch module to be in an open state when the charging mode is the wired charging, and controlling the switch state of the switch module to be in a closed state when the charging mode is the wireless charging.
Therefore, in the application, the four power switch tubes can work when the wireless charging is performed through the switch module, and the output power can be improved.
Further, the energy storage subunit comprises a first energy storage module and a second energy storage module, and the first energy storage module and the second energy storage module are connected in parallel; the control unit is used for controlling the switch state of the switch sub-module to be in a closed state when the charging mode is wireless charging, so that the first power switch tube, the second power switch tube and the first energy storage module form a first voltage boosting and stabilizing circuit, and the third power switch tube, the fourth power switch tube and the second energy storage module form a second voltage boosting and stabilizing circuit.
Therefore, in the application, the boosting and voltage stabilizing functions during wireless charging are realized through the two energy storage modules and the four power switch tubes, and the output power can be improved.
In a second aspect, an embodiment of the present application provides a charging system, including a wired charger, a wireless charger, an integrated unit based on wired charging and wireless charging, a control unit, and a power battery;
the wired charger, the wireless charger, the control unit and the power battery are respectively connected with the integrated unit based on wired charging and wireless charging;
the control unit is used for controlling the integrated unit based on wired charging and wireless charging to rectify electric energy from the wired charger and then charge the power battery when the charging mode is wired charging, and controlling the integrated unit based on wired charging and wireless charging to stabilize the electric energy from the wireless charger and then charge the power battery when the charging mode is wireless charging.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an integrated unit according to an embodiment of the present application;
FIG. 2 is a schematic diagram of another integrated unit according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a power switch subunit according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of another power switch subunit according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an energy storage subunit according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of another integrated unit according to an embodiment of the present disclosure;
FIG. 7 is a schematic diagram of another power switch subunit according to an embodiment of the present disclosure;
FIG. 8 is a schematic diagram of another power switch subunit according to an embodiment of the present disclosure;
fig. 9 is a schematic structural diagram of another energy storage subunit according to an embodiment of the present disclosure;
fig. 10 is a schematic structural diagram of a charging system according to an embodiment of the present application.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
The terms "first," "second," "third," and "fourth" and the like in the description and in the claims of this application and in the drawings, are used for distinguishing between different objects and not for describing a particular sequential order. Furthermore, the terms "comprising," "including," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The technical solutions in the present application will be described below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an integrated unit according to an embodiment of the present application. As shown in the drawing, an integrated unit 10 based on wired charging and wireless charging (hereinafter simply referred to as integrated unit 10) is applied to a charging system 1, the charging system 1 includes the integrated unit 10 and a control unit 11, the integrated unit 10 includes a wired charging input interface 141, a wireless charging input interface 142, a power switching subunit 110, an energy storage subunit 120, and an output interface 143; the wired charging input interface 141 is connected with the power switch subunit 110; the wireless charging input interface 142 is connected with the power switch subunit 110, and the energy storage subunit 120 is respectively connected with the power switch subunit 110 and the output interface 143; alternatively, the wireless charging input interface 142 is connected to the energy storage subunit 120, and the power switch subunit 110 is connected to the energy storage subunit 120 and the output interface 143, respectively; the control unit 11 is connected with the integrated unit 10; the control unit 11 is configured to, when the charging mode is a wired charging, control the power switch subunit 110 to rectify the electric energy from the wired charging input interface 141, charge the power battery through the output interface 143, and when the charging mode is a wireless charging, control the power switch subunit 110 and the energy storage subunit 120 to stabilize the voltage of the electric energy from the wireless charging input interface 142, and charge the power battery through the output interface 143.
When the wireless charging input interface is connected with the energy storage subunit, the energy storage subunit and the power switch subunit form a boosting and voltage stabilizing circuit. When the charging mode is the wired charging, the electric energy is output to the power battery for charging after being rectified only through the power switch subunit, and when the charging mode is the wireless charging, the electric energy is output after being boosted and stabilized according to the energy storage subunit and the power switch subunit. When the energy storage subunit is connected with the output interface, the power switch subunit and the energy storage subunit form a voltage-reducing and voltage-stabilizing circuit. In particular, the energy storage subunit may comprise an inductance.
In this example, when the charging mode is wired charging, the power switch subunit is controlled to rectify the electric energy from the wired charging input interface, and then the power battery is charged through the output interface, and when the charging mode is wireless charging, the power switch subunit and the energy storage subunit are controlled to stabilize the voltage of the electric energy from the wireless charging input interface, and then the power battery is charged through the output interface. Therefore, the rectification and the voltage stabilizing function during wireless charging can be realized through the same integrated unit, and the purposes of reducing the cost, the volume and the weight of automobile parts and optimizing the space layout of the automobile are achieved.
In one possible example, referring to fig. 2, fig. 2 is a schematic structural diagram of another integrated unit according to an embodiment of the present application. As shown in fig. 2, the integrated unit 20 further includes a switch subunit 240, and the switch subunit 240 is connected to the control unit 250; in the case that the wireless charging input interface 231 is connected to the power switch subunit 210, and the energy storage subunit 220 is connected to the power switch subunit 210 and the output interface 232, respectively, the switch subunit 240 is connected in parallel to the energy storage subunit 220; the control unit 250 is configured to control the switch state of the switch subunit 240 to be in a closed state when the charging mode is the wired charging, and control the switch state of the switch subunit 240 to be in an open state when the charging mode is the wireless charging.
Wherein the switch subunit may comprise a relay switch. When the charging mode is wired charging, the switch state of the switch subunit is in a closed state, and the energy storage subunit is connected with the switch subunit in parallel, so that the energy storage subunit is short-circuited, and at the moment, the electric energy flowing in through the wired charging input interface is directly used for charging the power battery after being rectified through the power switch subunit. When the charging mode is wireless charging, the switch state of the switch subunit is in an off state, so that the electric energy input through the wireless charging input interface can only be output through the energy storage subunit, the power switch subunit and the energy storage subunit form a voltage reduction and stabilizing circuit, and the power battery is charged after the voltage reduction and stabilizing of the electric energy from the wireless charging input interface.
It can be seen that, in this example, the function of the integrated unit is controlled by controlling the switch state of the switch subunit, which not only has a simple structure, but also can change the current function in time after the state of charge is switched, thereby meeting the circuit requirement.
In one possible example, referring to fig. 3, fig. 3 is a schematic structural diagram of a power switch subunit according to an embodiment of the present application. As shown, the power switching subunit includes a first power switching tube 311, a second power switching tube 312, a third power switching tube 313 and a fourth power switching tube 314; the first end of the first power switch tube 311 is connected to the first end of the second power switch tube 312, the first end of the third power switch tube 313 is connected to the first end of the fourth power switch tube 314, the second end of the first power switch tube 311 is connected to the switch subunit 330 after being combined with the second end of the third power switch tube 313, and the second end of the second power switch tube 312 is connected to the output interface 343 after being combined with the second end of the fourth power switch tube 314; the first end of the first power switch tube 311 is connected to the first end of the wired charging input interface 341 after being combined with the first end of the second power switch tube 312, and the first end of the third power switch tube 313 is connected to the second end of the wired charging input interface 341 after being combined with the first end of the fourth power switch tube 314; the first end of the first power switch tube 311 is connected to the first end of the wireless charging input interface 342 after being combined with the first end of the second power switch tube 312, or the first end of the third power switch tube 313 is connected to the first end of the wireless charging input interface 342 after being combined with the first end of the fourth power switch tube 314, the second end of the wireless charging input interface 342 is connected to the output interface 343, and the second end of the first power switch tube 311 is connected to the energy storage subunit 320 after being combined with the second end of the third power switch tube 313.
The power switch comprises a power switch subunit, an energy storage subunit, a third power switch tube and an output interface, wherein the energy storage subunit is respectively connected with the power switch subunit and the output interface, so that the first end of the energy storage subunit is respectively connected with the second end of the first power switch tube and the second end of the third power switch tube, and the second end of the energy storage subunit is connected with the output interface. When the charging mode is wired charging, at the moment, the switch subunit is closed, the energy storage subunit is short-circuited, the first power switch tube and the second power switch tube form a first rectifying bridge, the third power switch tube and the fourth power switch tube form a second rectifying bridge, and electric energy input by the wired charging input interface is rectified through the two rectifying bridges. The power switch subunit at this time may further include four diode modules, each diode module is connected in parallel with one power switch tube, that is, the anode of the first diode module is connected with the input end of the first power switch tube, and the cathode of the first diode module is connected with the output end of the first power switch tube; the anode of the second diode module is connected with the output end of the second power switch tube, and the cathode of the second diode module is connected with the input end of the second power switch tube; the anode of the third diode module is connected with the input end of the third power switch tube, and the cathode of the third diode module is connected with the output end of the third power switch tube; the anode of the fourth diode module is connected with the output end of the fourth power switch tube, and the cathode of the fourth diode module is connected with the input end of the fourth power switch tube. The four diode modules can be used for protecting the circuit units respectively, so that the power switch tube is prevented from being burnt out under the conditions of overvoltage and the like. The input end of the power switch tube is one end connected with the wired charging input interface and/or the wireless charging input interface, and the output end of the power switch tube is one end connected with the output interface.
When the charging mode is wireless charging, if the wireless charging input interface is connected with the first power switch tube and the second power switch tube, the first power switch tube, the second power switch tube and the energy storage subunit form a voltage-reducing voltage-stabilizing circuit at the moment, and if the wireless charging input interface is connected with the third power switch tube and the fourth power switch tube, the third power switch tube, the fourth power switch tube and the energy storage subunit form the voltage-reducing voltage-stabilizing circuit at the moment.
In a specific implementation, the power switch transistor may be a transistor, which may be a Metal-Oxide-semiconductor field effect transistor (MOSFET), i.e. a MOS transistor, or an insulated gate bipolar transistor (Insulated Gate Bipolar Transistor, IGBT), or a triode.
Therefore, in the example, through four power switch tubes and an energy storage subunit, the rectification during wired charging and the voltage reduction and stabilization function during wireless charging are realized, and the purposes of reducing the cost, the volume and the weight of automobile parts and optimizing the automobile space layout are achieved.
In one possible example, referring to fig. 4, fig. 4 is a schematic structural diagram of another power switch subunit according to an embodiment of the present application. As shown, the power switch subunit further includes a switch module 420, where the switch module 420 is connected to the first end of the first power switch tube 411 and the first end of the fourth power switch tube 414, and the switch subunit 420 is further connected to the control unit; the control unit is configured to control the switch state of the switch module 420 to be an open state when the charging mode is the wired charging, and control the switch state of the switch module 420 to be a closed state when the charging mode is the wireless charging.
When the charging mode is wired charging, the switch state of the switch module is off, and then the first power switch tube and the second power switch tube form a first rectifier bridge, the third power switch tube and the fourth power switch tube form a second rectifier bridge, and electric energy charged by the wired charging is rectified through the first rectifier bridge and the second rectifier bridge respectively. When the charging mode is wireless charging, the state of the switch module is in a closed state, so that the first power switch tube, the second power switch tube, the third power switch tube, the fourth power switch tube and the energy storage subunit simultaneously perform voltage reduction and voltage stabilization on electric energy from the wireless charging input interface. At this time, the first power switch tube, the second power switch tube and the energy storage subunit are the first voltage-reducing and stabilizing circuit, and the third power switch tube, the fourth power switch tube and the energy storage subunit form the second voltage-reducing and stabilizing circuit.
Therefore, in the example, the switch module is used for reducing and stabilizing voltage through the four power switch tubes when the wireless charging is performed, so that the output power can be improved, and the utilization rate of the device can be improved.
In one possible example, referring to fig. 5, fig. 5 is a schematic structural diagram of an energy storage subunit according to an embodiment of the present application. As shown, the energy storage subunit 50 includes a first energy storage module 510 and a second energy storage module 520, where the first energy storage module 510 is connected in parallel with the second energy storage module 520; the control unit is configured to control the switch state of the switch module to be in a closed state when the charging mode is the wireless charging mode, so that the first power switch tube, the second power switch tube and the first energy storage module 510 form a first voltage-reducing voltage-stabilizing circuit, and the third power switch tube, the fourth power switch tube and the second energy storage module 520 form a second voltage-reducing voltage-stabilizing circuit.
The first energy storage module and the second energy storage module may each include an inductor. Namely, each first energy storage module corresponds to a group of voltage-reducing and voltage-stabilizing circuits respectively.
Therefore, in the example, the voltage reduction and stabilization functions during wireless charging are realized through the two energy storage modules and the four power switch tubes, so that the output power can be improved.
In one possible example, referring to fig. 6, fig. 6 is a schematic structural diagram of another integrated unit according to an embodiment of the present application. As shown, the integrated unit 60 further includes a switch subunit 640, and the switch subunit 640 is connected to the control unit 650; in the case that the wireless charging input interface 631 is connected to the energy storage subunit 620, and the power switch subunit 610 is connected to the energy storage subunit 620 and the output interface 632, respectively, the switch subunit 640 is connected to the wireless charging input interface 631 and the energy storage subunit 620, respectively; the control unit 650 is configured to control the switch state of the switch subunit 640 to be an open state when the charging mode is the wired charging, and control the switch state of the switch subunit 640 to be a closed state when the charging mode is the wireless charging.
The wireless charging input interface can be connected with the switch subunit, and then is connected with the energy storage subunit through the switch subunit, or can be connected with the energy storage subunit through the wireless charging input interface, and then is connected with the switch subunit through the energy storage subunit. When the charging state is the wired charging, the switching state of the switching subunit is the disconnection state, so that the electric energy input by the wired charging input interface is directly rectified by the power switching subunit and then output. When the charging state is wireless charging, the switch state of the switch subunit is closed, so that the electric energy input through the wireless charging input interface can be simultaneously boosted and stabilized through the energy storage subunit and the power switch subunit, and then the boosted and stabilized electric energy is output to charge the power battery.
Therefore, in the example, the function of the integrated unit is controlled by controlling the switch state of the switch subunit, so that the structure is simple, the current function can be changed in time after the charging state is switched, and the circuit requirement is met.
In one possible example, referring to fig. 7, fig. 7 is a schematic structural diagram of another power switch subunit according to an embodiment of the present application. As shown, the power switching sub-unit includes a first power switching tube 711, a second power switching tube 712, a third power switching tube 713, and a fourth power switching tube 714; the first end of the first power switch tube 711 is connected to the first end of the second power switch tube 712, the first end of the third power switch tube 713 is connected to the first end of the fourth power switch tube 714, the second end of the first power switch tube 711 is connected to the output interface 743 after being combined with the second end of the third power switch tube 713, and the second end of the second power switch tube 712 is connected to the output interface 743 after being combined with the second end of the fourth power switch tube 714; the first end of the first power switch tube 711 is connected to the first end of the wired charging input interface 741 after being combined with the first end of the second power switch tube 712, and the first end of the third power switch tube 713 is connected to the second end of the wired charging input interface 741 after being combined with the first end of the fourth power switch tube 714; the first end of the first power switch tube 711 and the first end of the second power switch tube 712 are connected to the energy storage subunit 720 after being combined, or the first end of the third power switch tube 713 and the first end of the fourth power switch tube 714 are connected to the energy storage subunit 720 after being combined, the switch subunit 730 is connected to the energy storage subunit 720 and the first end of the wireless charging input interface 742, respectively, and the second end of the wireless charging input interface 742 is connected to the output interface 743.
When the charging mode is wired charging, at the moment, the switch subunit is disconnected, the energy storage subunit is opened, the first power switch tube and the second power switch tube form a first rectifier bridge, the third power switch tube and the fourth power switch tube form a second rectifier bridge, and electric energy input by the wired charging input interface is rectified through the two rectifier bridges. The power switch subunit at this time may further include four diode modules, each diode module is connected in parallel with one power switch tube, that is, the anode of the first diode module is connected with the input end of the first power switch tube, and the cathode of the first diode module is connected with the output end of the first power switch tube; the anode of the second diode module is connected with the output end of the second power switch tube, and the cathode of the second diode module is connected with the input end of the second power switch tube; the anode of the third diode module is connected with the input end of the third power switch tube, and the cathode of the third diode module is connected with the output end of the third power switch tube; the anode of the fourth diode module is connected with the output end of the fourth power switch tube, and the cathode of the fourth diode module is connected with the input end of the fourth power switch tube. The four diode modules can be used for protecting the circuit units respectively, so that the power switch tube is prevented from being burnt out under the conditions of overvoltage and the like. The input end of the power switch tube is one end connected with the wired charging input interface and/or the wireless charging input interface, and the output end of the power switch tube is one end connected with the output interface.
When the charging mode is wireless charging, if the energy storage subunit is connected with the first power switch tube and the second power switch tube, the first power switch tube, the second power switch tube and the energy storage subunit form a voltage boosting and stabilizing circuit at the moment, and if the energy storage subunit is connected with the third power switch tube and the fourth power switch tube, the third power switch tube, the fourth power switch tube and the energy storage subunit form the voltage boosting and stabilizing circuit at the moment.
In a specific implementation, the power switch transistor may be a transistor, which may be a Metal-Oxide-semiconductor field effect transistor (MOSFET), i.e. a MOS transistor, or an insulated gate bipolar transistor (Insulated Gate Bipolar Transistor, IGBT), or a triode.
Therefore, in the example, through four power switch tubes and an energy storage subunit, the functions of rectifying during wired charging and boosting and stabilizing voltage during wireless charging are realized, and the purposes of reducing the cost, the volume and the weight of automobile parts and optimizing the automobile space layout are achieved.
In one possible example, referring to fig. 8, fig. 8 is a schematic structural diagram of another power switch subunit according to an embodiment of the present application. As shown, the power switch subunit further includes a switch module 820, where the switch module 820 is connected to a first end of the first power switch tube 811 and a first end of the fourth power switch tube 814, and the switch module 811 is further connected to the control unit; the control unit is configured to control the switch state of the switch module 820 to be an open state when the charging mode is the wired charging, and control the switch state of the switch module 820 to be a closed state when the charging mode is the wireless charging.
When the charging mode is wired charging, the switch state of the switch module is off, and then the first power switch tube and the second power switch tube form a first rectifier bridge, the third power switch tube and the fourth power switch tube form a second rectifier bridge, and electric energy charged by the wired charging is rectified through the first rectifier bridge and the second rectifier bridge respectively. When the charging mode is wireless charging, the state of the switch module is in a closed state, so that the first power switch tube, the second power switch tube, the third power switch tube, the fourth power switch tube and the energy storage subunit simultaneously boost and stabilize the electric energy from the wireless charging input interface. At this time, the first power switch tube, the second power switch tube and the energy storage subunit are the first boosting and voltage stabilizing circuit, and the third power switch tube, the fourth power switch tube and the energy storage subunit form the second boosting and voltage stabilizing circuit.
Therefore, in the example, when the wireless charging is performed, the switching module is used for boosting and stabilizing voltage through the four power switching tubes, so that the output power can be improved, and the utilization rate of the device can be improved.
In one possible example, referring to fig. 9, fig. 9 is a schematic structural diagram of another energy storage subunit according to an embodiment of the present application. As shown, the energy storage subunit 90 includes a first energy storage module 910 and a second energy storage module 920, where the first energy storage module 910 and the second energy storage module 920 are connected in parallel; the control unit is configured to control the switch state of the switch sub-module to be in a closed state when the charging mode is the wireless charging mode, so that the first power switch tube, the second power switch tube and the first energy storage module 910 form a first voltage boosting and stabilizing circuit, and the third power switch tube, the fourth power switch tube and the second energy storage module 920 form a second voltage boosting and stabilizing circuit.
The first energy storage module and the second energy storage module may each include an inductor. That is, each first energy storage module corresponds to a group of voltage boosting and stabilizing circuits respectively.
Therefore, in the example, the boosting and voltage stabilizing functions during wireless charging are realized through the two energy storage modules and the four power switch tubes, so that the output power can be improved.
As shown in fig. 10, the present solution also provides a charging system 1, including a wired charger 101, a wireless charger 102, an integrated unit 103 based on wired charging and wireless charging, a control unit 104 and a power battery 105; the wired charger 101, the wireless charger 102, the control unit 104 and the power battery 105 are respectively connected with the integrated unit 103 based on wired charging and wireless charging; the control unit 104 is configured to, when the charging mode is wired charging, control the integrated unit 103 based on wired charging and wireless charging to rectify electric energy from the wired charger 101 and then charge the power battery 105, and when the charging mode is wireless charging, control the integrated unit 103 based on wired charging and wireless charging to stabilize voltage of electric energy from the wireless charger 102 and then charge the power battery 105.
It should be noted that, for simplicity of description, the foregoing embodiments of the devices or modules are all described as a series of acts, but it should be understood by those skilled in the art that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently in the forward direction. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required in the present application.
In the embodiments provided in this application, it should be understood that the disclosed units may be implemented in other ways. For example, the above-described embodiments of units are merely illustrative, such as the above-described division of modules, is merely a logical function division, and may be implemented in other ways, such as multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, or may be in electrical or other forms.
The modules described above as separate components may or may not be physically separate, and components shown as modules may or may not be physical modules, i.e., may be located in one place, or may be distributed over multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional module in the embodiments of the present application may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module. The integrated modules may be implemented in hardware or in software functional modules.
The foregoing has outlined rather broadly the embodiments of the present application, and detailed description of the principles and embodiments of the present application have been provided herein with the application of specific examples, the above examples being provided solely to assist in the understanding of the present application and its core ideas; meanwhile, as those skilled in the art will have varying points in specific implementation and application scope according to the ideas of the present application, the present disclosure should not be construed as limiting the present application in view of the above description.
Claims (8)
1. The integrated unit is characterized by being applied to a charging system, wherein the charging system comprises the integrated unit and a control unit, the integrated unit comprises a wired charging input interface, a wireless charging input interface, a power switch subunit, an energy storage subunit, an output interface and a switch subunit, and the energy storage subunit comprises an inductor;
the wired charging input interface is connected with the power switch subunit;
the switch subunit is connected with the control unit;
the wireless charging input interface is connected with the power switch subunit, the energy storage subunit is respectively connected with the power switch subunit and the output interface, and the switch subunit is connected with the energy storage subunit in parallel; the control unit is used for controlling the switch state of the switch subunit to be in a closed state when the charging mode is wired charging, and controlling the switch state of the switch subunit to be in an open state when the charging mode is wireless charging; or the wireless charging input interface is connected with the energy storage subunit, the power switch subunit is respectively connected with the energy storage subunit and the output interface, and the switch subunit is respectively connected with the wireless charging input interface and the energy storage subunit; the control unit is used for controlling the switch state of the switch subunit to be in an open state when the charging mode is the wired charging, and controlling the switch state of the switch subunit to be in a closed state when the charging mode is the wireless charging;
The control unit is used for controlling the power switch subunit to rectify electric energy from the wired charging input interface when the charging mode is wired charging, then charging the power battery through the output interface, and controlling the power switch subunit and the energy storage subunit to stabilize the electric energy from the wireless charging input interface when the charging mode is wireless charging, then charging the power battery through the output interface.
2. The integrated unit of claim 1, wherein the power switching sub-unit comprises a first power switching tube, a second power switching tube, a third power switching tube, and a fourth power switching tube;
the first end of the first power switch tube is connected with the first end of the second power switch tube, the first end of the third power switch tube is connected with the first end of the fourth power switch tube, the second end of the first power switch tube is connected with the switch subunit after being combined with the second end of the third power switch tube, and the second end of the second power switch tube is connected with the output interface after being combined with the second end of the fourth power switch tube;
The first end of the first power switch tube is connected with the first end of the wired charging input interface after being combined with the first end of the second power switch tube, and the first end of the third power switch tube is connected with the second end of the wired charging input interface after being combined with the first end of the fourth power switch tube;
the first end of the first power switch tube is connected with the first end of the second power switch tube after being combined, or the first end of the third power switch tube is connected with the first end of the wireless charging input interface after being combined with the first end of the fourth power switch tube, the second end of the wireless charging input interface is connected with the output interface, and the second end of the first power switch tube is connected with the energy storage subunit after being combined with the second end of the third power switch tube.
3. The integrated unit of claim 2, wherein the power switching subunit further comprises a switch module connected to the first end of the first power switching tube and the first end of the fourth power switching tube, respectively, the switch module further connected to the control unit;
The control unit is used for controlling the switch state of the switch module to be in an open state when the charging mode is the wired charging, and controlling the switch state of the switch module to be in a closed state when the charging mode is the wireless charging.
4. The integrated unit of claim 3, wherein the energy storage subunit comprises a first energy storage module and a second energy storage module, the first energy storage module being in parallel with the second energy storage module;
the control unit is used for controlling the switch state of the switch module to be in a closed state when the charging mode is wireless charging, so that the first power switch tube, the second power switch tube and the first energy storage module form a first voltage reduction and stabilizing circuit, and the third power switch tube, the fourth power switch tube and the second energy storage module form a second voltage reduction and stabilizing circuit.
5. The integrated unit of claim 1, wherein the power switching sub-unit comprises a first power switching tube, a second power switching tube, a third power switching tube, and a fourth power switching tube;
the first end of the first power switch tube is connected with the first end of the second power switch tube, the first end of the third power switch tube is connected with the first end of the fourth power switch tube, the second end of the first power switch tube is connected with the output interface after being combined with the second end of the third power switch tube, and the second end of the second power switch tube is connected with the output interface after being combined with the second end of the fourth power switch tube;
The first end of the first power switch tube is connected with the first end of the wired charging input interface after being combined with the first end of the second power switch tube, and the first end of the third power switch tube is connected with the second end of the wired charging input interface after being combined with the first end of the fourth power switch tube;
the first end of the first power switch tube and the first end of the second power switch tube are connected after being combined, or the first end of the third power switch tube and the first end of the fourth power switch tube are connected after being combined, the switch subunit is respectively connected with the energy storage subunit and the first end of the wireless charging input interface, and the second end of the wireless charging input interface is connected with the output interface.
6. The integrated unit of claim 5, wherein the power switching subunit further comprises a switch module connected to the first end of the first power switch tube and the first end of the fourth power switch tube, respectively, the switch module further connected to the control unit;
the control unit is used for controlling the switch state of the switch module to be in an open state when the charging mode is the wired charging, and controlling the switch state of the switch module to be in a closed state when the charging mode is the wireless charging.
7. The integrated unit of claim 6, wherein the energy storage subunit comprises a first energy storage module and a second energy storage module, the first energy storage module and the second energy storage module being connected in parallel;
the control unit is used for controlling the switch state of the switch module to be in a closed state when the charging mode is wireless charging, so that the first power switch tube, the second power switch tube and the first energy storage module form a first voltage boosting and stabilizing circuit, and the third power switch tube, the fourth power switch tube and the second energy storage module form a second voltage boosting and stabilizing circuit.
8. A charging system, characterized by comprising a wired charger, a wireless charger, an integrated unit based on wired charging and wireless charging as claimed in any one of claims 1-7, a control unit and a power battery;
the wired charger, the wireless charger, the control unit and the power battery are respectively connected with the integrated unit based on wired charging and wireless charging;
the control unit is used for controlling the integrated unit based on wired charging and wireless charging to rectify electric energy from the wired charger and then charge the power battery when the charging mode is wired charging, and controlling the integrated unit based on wired charging and wireless charging to stabilize the electric energy from the wireless charger and then charge the power battery when the charging mode is wireless charging.
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