CN112117787A - Electric automobile charging system, electric automobile and automobile charging control method - Google Patents
Electric automobile charging system, electric automobile and automobile charging control method Download PDFInfo
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- CN112117787A CN112117787A CN201910544818.2A CN201910544818A CN112117787A CN 112117787 A CN112117787 A CN 112117787A CN 201910544818 A CN201910544818 A CN 201910544818A CN 112117787 A CN112117787 A CN 112117787A
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- electrically connected
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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
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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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
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an electric automobile charging system, an electric automobile and an automobile charging control method. The electric vehicle charging system includes: the linkage switch comprises at least one first switch and at least one second switch, and the states of the first switch and the second switch are opposite; a high voltage battery; the battery connecting end of the high-voltage distribution box is electrically connected with the high-voltage battery; the output end of the vehicle-mounted charger is electrically connected with the vehicle-mounted charger connecting end of the high-voltage distribution box; the alternating current charging interface is used for being electrically connected with an alternating current power supply and is electrically connected with the input end of the vehicle-mounted charger through a first switch; and the direct current charging interface is electrically connected with the direct current charging connecting end of the high-voltage distribution box through a second switch and is used for electrically connecting a direct current power supply. The condition that two charging modes of direct current charging and alternating current charging occur simultaneously can not exist, the safety of the high-voltage battery is protected, and the charging safety of the electric automobile is further improved.
Description
Technical Field
The embodiment of the invention relates to an electric automobile charging technology, in particular to an electric automobile charging system, an electric automobile and an automobile charging control method.
Background
With the advance of new energy strategy, electric vehicles are more and more popularized, and corresponding charging technology of electric vehicles is more and more important.
The electric automobile generally has two charging modes of direct current charging and alternating current charging, namely quick charging and slow charging, if the battery of the electric automobile is communicated with the direct current charging and the alternating current charging, destructive damage can be caused to the battery of the electric automobile, and the electric appliances of the whole automobile can be damaged in various degrees. The prior art can not prevent the situation that two charging modes of direct current charging and alternating current charging are communicated simultaneously.
Disclosure of Invention
The invention provides an electric automobile charging system and an electric automobile, which are used for preventing the situation that two charging modes of direct current charging and alternating current charging are communicated at the same time.
In a first aspect, an embodiment of the present invention provides an electric vehicle charging system, where the electric vehicle charging system includes:
a ganged switch including at least one first switch and at least one second switch, the first switch being opposite in state to the second switch;
a high voltage battery;
the battery connecting end of the high-voltage distribution box is electrically connected with the high-voltage battery;
the output end of the vehicle-mounted charger is electrically connected with the vehicle-mounted charger connecting end of the high-voltage distribution box;
the alternating current charging interface is used for being electrically connected with an alternating current power supply, and the alternating current charging interface is electrically connected with the input end of the vehicle-mounted charger through the first switch;
and the direct current charging interface is electrically connected with the direct current charging connecting end of the high-voltage distribution box through the second switch and is used for being electrically connected with a direct current power supply.
Optionally, the alternating current charging interface includes a first end and a second end, and the first end and the second end of the alternating current charging interface are used for being electrically connected with an alternating current power supply;
the input end of the vehicle-mounted charger comprises a first input end and a second input end, the first end and the second end of the alternating current charging interface are respectively and electrically connected with the first input end and the second input end of the vehicle-mounted charger, wherein the first end of the alternating current charging interface and/or the second end of the alternating current charging interface are/is electrically connected with the first input end or the second input end of the vehicle-mounted charger through the at least one first switch.
Optionally, the first end of the alternating current charging interface is used for being electrically connected with a live wire of an alternating current power supply, and the first end of the alternating current charging interface is electrically connected with the first input end of the vehicle-mounted charger through the first switch.
Optionally, the direct current charging interface includes a first end and a second end, and the first end and the second end of the direct current charging interface are used for being electrically connected with a direct current power supply;
the direct-current charging connecting end of the high-voltage distribution box comprises a first direct-current charging connecting end and a second direct-current charging connecting end, and the first end and the second end of the direct-current charging interface are respectively and electrically connected with the first direct-current charging connecting end and the second direct-current charging connecting end; the first end of the direct-current charging interface and/or the second end of the direct-current charging interface are/is electrically connected with the first direct-current charging connection end or the second direct-current charging connection end through the at least one second switch.
Optionally, the first end of the dc charging interface is used for being electrically connected to a positive electrode of a dc power supply, and the first end of the dc charging interface is electrically connected to the first dc charging connection end of the high-voltage distribution box through the second switch.
Optionally, the electric vehicle charging system further includes:
a first inverter, the first inverter input being electrically connected to the high voltage distribution box;
an input end of the motor is electrically connected with an output end of the first inverter.
Optionally, an ac charging socket is disposed at the ac charging interface.
Optionally, the ac charging socket comprises a seven-core socket.
Optionally, a dc charging socket is disposed at the dc charging interface.
Optionally, the dc charging socket includes a nine-core socket.
In a second aspect, an embodiment of the present invention further provides an electric vehicle, where the electric vehicle includes an electric vehicle charging system, where the electric vehicle charging system includes:
a ganged switch including at least one first switch and at least one second switch, the first switch being opposite in state to the second switch;
a high voltage battery;
the battery connecting end of the high-voltage distribution box is electrically connected with the high-voltage battery;
the output end of the vehicle-mounted charger is electrically connected with the vehicle-mounted charger connecting end of the high-voltage distribution box;
the alternating current charging interface is used for being electrically connected with an alternating current power supply, and the alternating current charging interface is electrically connected with the input end of the vehicle-mounted charger through the first switch;
and the direct current charging interface is electrically connected with the direct current charging connecting end of the high-voltage distribution box through the second switch and is used for being electrically connected with a direct current power supply.
Optionally, the alternating current charging interface includes a first end and a second end, and the first end and the second end of the alternating current charging interface are used for being electrically connected with an alternating current power supply;
the input end of the vehicle-mounted charger comprises a first input end and a second input end, the first end and the second end of the alternating current charging interface are respectively and electrically connected with the first input end and the second input end of the vehicle-mounted charger, wherein the first end of the alternating current charging interface and/or the second end of the alternating current charging interface are/is electrically connected with the first input end or the second input end of the vehicle-mounted charger through the at least one first switch.
Optionally, the first end of the alternating current charging interface is used for being electrically connected with a live wire of an alternating current power supply, and the first end of the alternating current charging interface is electrically connected with the first input end of the vehicle-mounted charger through the first switch.
Optionally, the direct current charging interface includes a first end and a second end, and the first end and the second end of the direct current charging interface are used for being electrically connected with a direct current power supply;
the direct-current charging connecting end of the high-voltage distribution box comprises a first direct-current charging connecting end and a second direct-current charging connecting end, and the first end and the second end of the direct-current charging interface are respectively and electrically connected with the first direct-current charging connecting end and the second direct-current charging connecting end; the first end of the direct-current charging interface and/or the second end of the direct-current charging interface are/is electrically connected with the first direct-current charging connection end or the second direct-current charging connection end through the at least one second switch.
Optionally, the first end of the dc charging interface is used for being electrically connected to a positive electrode of a dc power supply, and the first end of the dc charging interface is electrically connected to the first dc charging connection end of the high-voltage distribution box through the second switch.
Optionally, the electric vehicle charging system further includes:
a first inverter, the first inverter input being electrically connected to the high voltage distribution box;
an input end of the motor is electrically connected with an output end of the first inverter.
Optionally, an ac charging socket is disposed at the ac charging interface.
Optionally, the ac charging socket comprises a seven-core socket.
Optionally, a dc charging socket is disposed at the dc charging interface.
Optionally, the dc charging socket includes a nine-core socket.
Optionally, the electric vehicle further comprises a second inverter and an auxiliary battery;
the second inverter input is electrically connected with the high voltage distribution box, and the auxiliary battery is electrically connected with the output of the second inverter.
Optionally, the electric vehicle further comprises a light module;
and the power input end of the light module is electrically connected with the power output end of the auxiliary battery.
Optionally, the electric vehicle further comprises an instrument module;
and the power input end of the instrument module is electrically connected with the power output end of the auxiliary battery.
Optionally, the electric vehicle further comprises a vehicle control system;
and the power supply input end of the whole vehicle control system is electrically connected with the power supply output end of the auxiliary battery.
In a third aspect, an embodiment of the present invention further provides a method for controlling vehicle charging, which is applied to the electric vehicle charging system in the first aspect, and the method for controlling vehicle charging includes:
the automobile is connected with a charging pile;
if the direct current charging is started, the high-voltage distribution box configures the high-voltage battery for charging;
and if the alternating current charging is started, the high-voltage distribution box is configured with the high-voltage battery for charging.
According to the electric vehicle charging system, the electric vehicle charging system comprises the linked switch, the high-voltage battery, the high-voltage distribution box, the vehicle-mounted charger, the direct current charging interface and the alternating current charging interface, the states of the first switch and the second switch in the linked switch are opposite, when the alternating current charging interface and the direct current charging interface are both connected with the charging pile, the situation that two charging modes of direct current charging and alternating current charging occur simultaneously does not exist, the safety of the high-voltage battery is protected, and the charging safety of the electric vehicle is improved.
Drawings
Fig. 1 is a schematic structural diagram of an electric vehicle charging system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another electric vehicle charging system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another electric vehicle charging system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another electric vehicle charging system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an ac charging socket according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a dc charging socket according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an electric vehicle according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of another electric vehicle charging system according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of another electric vehicle charging system according to an embodiment of the present invention;
fig. 10 is a flowchart illustrating a control method for a vehicle according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Examples
Fig. 1 is a schematic structural diagram of an electric vehicle charging system according to an embodiment of the present invention, where the electric vehicle charging system includes:
the ganged switch 101, the ganged switch 101 includes at least one first switch 1011 and at least one second switch 1012, the states of the first switch 1011 and the second switch 1012 are opposite, as shown in fig. 1, when the first switch 1011 is in an open state, the second switch 1012 is in a closed state;
the high-voltage battery 102, the high-voltage battery 102 can be used for providing the energy for the electric automobile;
the high-voltage distribution box 103 is used for managing high-voltage distribution of the electric automobile, and the high-voltage distribution box 103 can be used for managing the high-voltage distribution of the electric automobile;
the output end of the vehicle-mounted charger 104 is electrically connected with the vehicle-mounted charger connecting end of the high-voltage distribution box 103;
the alternating current charging interface 105 is used for being electrically connected with an alternating current power supply, and the alternating current charging interface 105 is electrically connected with the input end of the vehicle-mounted charger 104 through a first switch 1011;
the direct current charging interface 106 is electrically connected with the direct current charging connection end of the high voltage distribution box 103 through a second switch 1012, and the direct current charging interface 106 is used for being electrically connected with a direct current power supply.
Specifically, when the electric automobile needs to be subjected to alternating current charging, the alternating current charging interface 105 can be connected with the charging pile, the first switch 1011 is closed and the second switch 1012 is opened by controlling the linkage switch 101, so that the alternating current power supply is conducted with the vehicle-mounted charger 104, the vehicle-mounted charger 104 rectifies an alternating current signal and then outputs direct current to the high-voltage distribution box 103, and the high-voltage distribution box 103 further performs alternating current charging on the high-voltage battery 102; when the electric automobile needs to be charged by direct current, the direct current charging interface 106 can be connected with the charging pile, and by controlling the linkage switch 101, the first switch 1011 is opened and the second switch 1012 is closed, so that the direct current power supply is conducted with the high-voltage distribution box 103, and the high-voltage battery 102 is charged by direct current through the high-voltage distribution box 103; when the alternating current charging interface 105 and the direct current charging interface 106 are connected with the charging pile at the same time, because the states of the first switch 1011 and the second switch 1012 at the same time are opposite, that is, only one of the first switch 1011 and the second switch 1012 can be conducted, when a user closes the first switch 1011 of the ganged switch 101, the second switch 1012 can be opened; when the user closes the second switch 1012, the first switch 1011 can be opened, and then only one charging mode of direct current charging and alternating current charging can exist at the same time, so that the situation that the direct current charging mode and the alternating current charging mode exist simultaneously is avoided, the safety of the high-voltage battery 102 is protected, and the charging safety of the electric automobile is improved.
According to the technical scheme, through adopting the electric automobile charging system comprising the linked switch, the high-voltage battery, the high-voltage distribution box, the vehicle-mounted charger, the direct current charging interface and the alternating current charging interface, the first switch and the second switch in the linked switch are opposite in state, when the alternating current charging interface is connected with the direct current charging interface, the situation that two charging modes of direct current charging and alternating current charging occur simultaneously can not exist, the safety of the high-voltage battery is protected, and the charging safety of the electric automobile is improved.
Optionally, fig. 2 is a schematic structural diagram of another electric vehicle charging system provided in an embodiment of the present invention, and fig. 3 is a schematic structural diagram of another electric vehicle charging system provided in an embodiment of the present invention; referring to fig. 2 and 3, the ac power charging interface 105 includes a first terminal a1 and a second terminal a2, and the first terminal a1 and the second terminal a2 of the ac power charging interface 105 are used for electrical connection with an ac power source;
the input ends of the vehicle-mounted charger 104 comprise a first input end and a second input end, and a first end A1 and a second end A2 of the alternating current charging interface 105 are electrically connected with the first input end and the second input end of the vehicle-mounted charger 104 respectively; as shown in fig. 2, a first end a1 of the ac charging interface 105 is electrically connected to a first input end of the vehicle-mounted charger 104 through a first switch 1011, and a second end a2 of the ac charging interface 105 is electrically connected to a second input end of the vehicle-mounted charger 104 through a second first switch 1011; alternatively, as shown in fig. 3, the first end a1 of the ac charging interface 105 is electrically connected to the first input end of the vehicle-mounted charger 104 through the first switch 1011, and the second end a2 of the ac charging interface 105 is electrically connected to the second input end of the vehicle-mounted charger 104.
Specifically, the first end a1 of the ac charging interface 105 may be configured to be electrically connected to a live wire of an ac power source, and the second end a2 of the ac charging interface 105 may be configured to be electrically connected to a zero line of the ac power source, and the first switch 1011 is disposed between the first end a1 of the ac charging interface 105 and the first input end of the vehicle-mounted charger 104 and/or the first switch 1011 is disposed between the second end a2 of the ac charging interface 105 and the second input end of the vehicle-mounted charger 104, and preferably, the first switch 1011 may be disposed only between the end of the ac charging interface 105 configured to be connected to the live wire of the ac power source (the first end a1 in this embodiment) and the vehicle-mounted charger 104, so that when the first switch 1011 is disconnected, the live wire is disconnected from the electric vehicle, thereby achieving a better effect of protecting the high-voltage battery 102, and further improving the charging safety of the electric.
Optionally, with continued reference to fig. 2 and 3, the dc charging interface 106 includes a first terminal B1 and a second terminal B2, the first terminal B1 and the second terminal B2 of the dc charging interface 106 being configured to electrically connect to a dc power source;
the direct-current charging connecting end of the high-voltage distribution box 103 comprises a first direct-current charging connecting end and a second direct-current charging connecting end, and a first end B1 and a second end B2 of the direct-current charging interface 106 are electrically connected with the first direct-current charging connecting end and the second direct-current charging connecting end respectively; as shown in fig. 2, the first end B1 of the dc charging interface 106 is electrically connected to the first dc charging connection of the high-voltage distribution box 103 via a first second switch 1012, and the second end B2 of the dc charging interface 106 is electrically connected to the second dc charging connection of the high-voltage distribution box 103 via a second switch 1012; alternatively, as shown in fig. 3, the first terminal B1 of the dc charging interface 106 is electrically connected to the first dc charging connection of the high-voltage distribution box 103 via the second switch 1012, and the second terminal B2 of the dc charging interface 106 is electrically connected to the second dc charging connection of the high-voltage distribution box 103.
Specifically, the first end B1 of the dc charging interface 106 may be used to be electrically connected to the positive electrode of the dc power source, the second end B2 of the dc charging interface 106 may be used to be electrically connected to the negative electrode of the dc power source, and by disposing the second switch 1012 between the first end B1 of the dc charging interface 106 and the first dc charging connection terminal of the high-voltage distribution box 103 and/or disposing the second switch 1012 between the second end B2 of the dc charging interface 106 and the second dc charging connection terminal of the high-voltage distribution box 103, the second switch may be preferably disposed only between the end (the first end B1 in this embodiment) of the dc charging interface 106 used to be connected to the positive electrode of the dc power source and the first dc charging connection terminal of the high-voltage distribution box 103, so that when the second switch 1012 is turned off, the positive electrode of the dc power source is turned off from the electric vehicle, and the effect of better protecting the high-voltage battery 102 is achieved, further improve the charging safety of electric automobile.
Optionally, fig. 4 is a schematic structural diagram of another electric vehicle charging system according to an embodiment of the present invention, and referring to fig. 4, the electric vehicle charging system further includes a first inverter 201, an input end of the first inverter 201 is electrically connected to the high-voltage distribution box 103;
and an input end of the motor 202 is electrically connected with an output end of the first inverter 201.
Specifically, after the charging of the high voltage battery 102 is completed, a signal may be transmitted to the first inverter 201 through the high voltage distribution box 103, and the motor 202 is driven to operate under the action of the first inverter 201, so that the electric vehicle operates normally.
Alternatively, fig. 5 is a schematic structural diagram of an ac charging socket according to an embodiment of the present invention, and referring to fig. 4 and 5, an ac charging socket is disposed at the ac charging interface 105.
The alternating current charging socket comprises a seven-core socket, and if the national standard alternating current charging socket can be adopted, the charging system of the electric automobile can be better matched with the existing electric automobile.
Optionally, fig. 6 is a schematic structural diagram of a dc charging socket according to an embodiment of the present invention, and referring to fig. 4 and 6, a dc charging socket is disposed at the dc charging interface 106.
The direct current charging socket comprises a nine-core socket, and if a national standard direct current charging socket can be adopted, the charging system of the electric automobile can be better matched with the existing electric automobile.
Fig. 7 is a schematic structural diagram of an electric vehicle according to an embodiment of the present invention, and referring to fig. 1 to 7, the electric vehicle includes an electric vehicle charging system, and the electric vehicle charging system includes:
the ganged switch 101, the ganged switch 101 includes at least one first switch 1011 and at least one second switch 1012, the states of the first switch 1011 and the second switch 1012 are opposite, as shown in fig. 1, when the first switch 1011 is in an open state, the second switch 1012 is in a closed state;
the high-voltage battery 102, the high-voltage battery 102 can be used for providing the energy for the electric automobile;
the high-voltage distribution box 103 is used for managing high-voltage distribution of the electric automobile, and the high-voltage distribution box 103 can be used for managing the high-voltage distribution of the electric automobile;
the output end of the vehicle-mounted charger 104 is electrically connected with the vehicle-mounted charger connecting end of the high-voltage distribution box 103;
the alternating current charging interface 105 is used for being electrically connected with an alternating current power supply, and the alternating current charging interface 105 is electrically connected with the input end of the vehicle-mounted charger 104 through a first switch 1011;
the direct current charging interface 106 is electrically connected with the direct current charging connection end of the high voltage distribution box 103 through a second switch 1012, and the direct current charging interface 106 is used for being electrically connected with a direct current power supply.
Specifically, when the electric automobile needs to be subjected to alternating current charging, the alternating current charging interface 105 can be connected with the charging pile, the first switch 1011 is closed and the second switch 1012 is opened by controlling the linkage switch 101, so that the alternating current power supply is conducted with the vehicle-mounted charger 104, the vehicle-mounted charger 104 rectifies an alternating current signal and then outputs direct current to the high-voltage distribution box 103, and the high-voltage distribution box 103 further performs alternating current charging on the high-voltage battery 102; when the electric automobile needs to be charged by direct current, the direct current charging interface 106 can be connected with the charging pile, and by controlling the linkage switch 101, the first switch 1011 is opened and the second switch 1012 is closed, so that the direct current power supply is conducted with the high-voltage distribution box 103, and the high-voltage battery 102 is charged by direct current through the high-voltage distribution box 103; when the alternating current charging interface 105 and the direct current charging interface 106 are connected with the charging pile at the same time, because the states of the first switch 1011 and the second switch 1012 at the same time are opposite, that is, only one of the first switch 1011 and the second switch 1012 can be conducted, when a user closes the first switch 1011 of the ganged switch 101, the second switch 1012 can be opened; when the user closes the second switch 1012, the first switch 1011 can be opened, and then only one charging mode of direct current charging and alternating current charging can exist at the same time, so that the situation that the direct current charging mode and the alternating current charging mode exist simultaneously is avoided, the safety of the high-voltage battery 102 is protected, and the charging safety of the electric automobile is improved.
According to the technical scheme, through adopting the electric automobile charging system comprising the linked switch, the high-voltage battery, the high-voltage distribution box, the vehicle-mounted charger, the direct current charging interface and the alternating current charging interface, the first switch and the second switch in the linked switch are opposite in state, when the alternating current charging interface is connected with the direct current charging interface, the situation that two charging modes of direct current charging and alternating current charging occur simultaneously can not exist, the safety of the high-voltage battery is protected, and the charging safety of the electric automobile is improved.
Alternatively, referring to fig. 2 and 3, the ac charging interface 105 includes a first terminal a1 and a second terminal a2, and the first terminal a1 and the second terminal a2 of the ac charging interface 105 are used for electrical connection with an ac power source;
the input ends of the vehicle-mounted charger 104 comprise a first input end and a second input end, and a first end A1 and a second end A2 of the alternating current charging interface 105 are electrically connected with the first input end and the second input end of the vehicle-mounted charger 104 respectively; as shown in fig. 2, a first end a1 of the ac charging interface 105 is electrically connected to a first input end of the vehicle-mounted charger 104 through a first switch 1011, and a second end a2 of the ac charging interface 105 is electrically connected to a second input end of the vehicle-mounted charger 104 through a second first switch 1011; alternatively, as shown in fig. 3, the first end a1 of the ac charging interface 105 is electrically connected to the first input end of the vehicle-mounted charger 104 through the first switch 1011, and the second end a2 of the ac charging interface 105 is electrically connected to the second input end of the vehicle-mounted charger 104.
Specifically, the first end a1 of the ac charging interface 105 may be configured to be electrically connected to a live wire of an ac power source, and the second end a2 of the ac charging interface 105 may be configured to be electrically connected to a zero line of the ac power source, and the first switch 1011 is disposed between the first end a1 of the ac charging interface 105 and the first input end of the vehicle-mounted charger 104 and/or the first switch 1011 is disposed between the second end a2 of the ac charging interface 105 and the second input end of the vehicle-mounted charger 104, and preferably, the first switch 1011 may be disposed only between the end of the ac charging interface 105 configured to be connected to the live wire of the ac power source (the first end a1 in this embodiment) and the vehicle-mounted charger 104, so that when the first switch 1011 is disconnected, the live wire is disconnected from the electric vehicle, thereby achieving a better effect of protecting the high-voltage battery 102, and further improving the charging safety of the electric.
Optionally, with continued reference to fig. 2 and 3, the dc charging interface 106 includes a first terminal B1 and a second terminal B2, the first terminal B1 and the second terminal B2 of the dc charging interface 106 being configured to electrically connect to a dc power source;
the direct-current charging connecting end of the high-voltage distribution box 103 comprises a first direct-current charging connecting end and a second direct-current charging connecting end, and a first end B1 and a second end B2 of the direct-current charging interface 106 are electrically connected with the first direct-current charging connecting end and the second direct-current charging connecting end respectively; as shown in fig. 2, the first end B1 of the dc charging interface 106 is electrically connected to the first dc charging connection of the high-voltage distribution box 103 via a first second switch 1012, and the second end B2 of the dc charging interface 106 is electrically connected to the second dc charging connection of the high-voltage distribution box 103 via a second switch 1012; alternatively, as shown in fig. 3, the first terminal B1 of the dc charging interface 106 is electrically connected to the first dc charging connection of the high-voltage distribution box 103 via the second switch 1012, and the second terminal B2 of the dc charging interface 106 is electrically connected to the second dc charging connection of the high-voltage distribution box 103.
Specifically, the first end B1 of the dc charging interface 106 may be used to be electrically connected to the positive electrode of the dc power source, the second end B2 of the dc charging interface 106 may be used to be electrically connected to the negative electrode of the dc power source, and by disposing the second switch 1012 between the first end B1 of the dc charging interface 106 and the first dc charging connection terminal of the high-voltage distribution box 103 and/or disposing the second switch 1012 between the second end B2 of the dc charging interface 106 and the second dc charging connection terminal of the high-voltage distribution box 103, the second switch may be preferably disposed only between the end (the first end B1 in this embodiment) of the dc charging interface 106 used to be connected to the positive electrode of the dc power source and the first dc charging connection terminal of the high-voltage distribution box 103, so that when the second switch 1012 is turned off, the positive electrode of the dc power source is turned off from the electric vehicle, and the effect of better protecting the high-voltage battery 102 is achieved, further improve the charging safety of electric automobile.
Optionally, referring to fig. 4, the electric vehicle charging system further includes a first inverter 201, and an input end of the first inverter 201 is electrically connected to the high-voltage distribution box 103;
and an input end of the motor 202 is electrically connected with an output end of the first inverter 201.
Specifically, after the charging of the high voltage battery 102 is completed, a signal may be transmitted to the first inverter 201 through the high voltage distribution box 103, and the motor 202 is driven to operate under the action of the first inverter 201, so that the electric vehicle operates normally.
Optionally, referring to fig. 4 and 5, an ac charging socket is disposed at the ac charging interface 105.
The alternating current charging socket comprises a seven-core socket, and if the national standard alternating current charging socket can be adopted, the charging system of the electric automobile can be better matched with the existing electric automobile.
Optionally, referring to fig. 4 and 6, a dc charging socket is disposed at the dc charging interface 106.
The direct current charging socket comprises a nine-core socket, and if a national standard direct current charging socket can be adopted, the charging system of the electric automobile can be better matched with the existing electric automobile.
Alternatively, referring to fig. 8, the electric vehicle further includes a second inverter 301 and an auxiliary battery 302;
the input terminal of the second inverter 301 is electrically connected to the high voltage distribution box 103, and the auxiliary battery 302 is electrically connected to the output terminal of the second inverter 301.
Specifically, the auxiliary battery 302 may be used to power a control system in an electric vehicle, such as a vehicle controller in the electric vehicle; here, the auxiliary battery 302 is configured at a high voltage by the second inverter 301 and the high voltage distribution box 103.
Optionally, referring to fig. 9, the electric vehicle further includes a light module 303;
the power input end of the light module 303 is electrically connected with the power output end of the auxiliary battery 302; the auxiliary battery 302 is used to supply power to the light module 303.
With continued reference to fig. 9, the electric vehicle further includes an instrumentation module 304, a power input of the instrumentation module 304 being electrically connected with a power output of the auxiliary battery 302; the auxiliary battery 302 is used to provide electrical power to the meter module 304.
With continued reference to fig. 9, the electric vehicle further includes a vehicle control system 305, a power input terminal of the vehicle control system 305 is electrically connected to a power output terminal of the auxiliary battery 302; the auxiliary battery 302 is used for supplying electric energy to the entire vehicle control system 305, and the entire vehicle control system 305 can control the turning on or off of the vehicle body accessories such as the light module 303 and the meter module 304 in the electric vehicle.
It can be understood that the electric vehicle provided by the embodiment of the invention can also comprise other vehicle body accessories such as a radio, so that the electric vehicle is more intelligent and humanized.
Fig. 10 is a schematic flow chart of a control method for a vehicle according to an embodiment of the present invention, and referring to fig. 10, on the basis of the foregoing embodiments, an embodiment of the present invention further provides a specific control method for charging a vehicle, where the control method includes the following steps:
s110, connecting the automobile with a charging pile;
specifically, the automobile can be an electric automobile, and an alternating current charging interface and/or a direct current charging interface of the electric automobile are/is connected to the charging pile so as to charge the electric automobile.
S120, whether the direct current charging is started or not is judged;
specifically, if the user closes the first switch 1011, it indicates that the dc charging is on, and at this time, if the dc charging interface is electrically connected to the charging pile, S140 may be executed; if the user turns on the first switch 1011, that is, the dc charging is not turned on, then S130 is executed;
s130, whether the alternating current charging is started or not is judged;
specifically, if the user closes the second switch, the ac charging is turned on, and at this time, S140 may be performed; if the second switch is turned on, S120 is performed.
S140, the high-voltage distribution box is provided with a high-voltage battery for charging;
specifically, the high-voltage distribution box can carry out matching charging on the high-voltage battery according to the charging type of the electric automobile in the current state; if the direct current charging is started, the charging mode is configured to be the direct current charging mode, and if the alternating current charging is started, the charging mode is configured to be the alternating current charging mode.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (25)
1. An electric vehicle charging system, comprising:
a ganged switch including at least one first switch and at least one second switch, the first switch being opposite in state to the second switch;
a high voltage battery;
the battery connecting end of the high-voltage distribution box is electrically connected with the high-voltage battery;
the output end of the vehicle-mounted charger is electrically connected with the vehicle-mounted charger connecting end of the high-voltage distribution box;
the alternating current charging interface is used for being electrically connected with an alternating current power supply, and the alternating current charging interface is electrically connected with the input end of the vehicle-mounted charger through the first switch;
and the direct current charging interface is electrically connected with the direct current charging connecting end of the high-voltage distribution box through the second switch and is used for being electrically connected with a direct current power supply.
2. The electric vehicle charging system of claim 1, wherein the ac charging interface comprises a first terminal and a second terminal, the first terminal and the second terminal of the ac charging interface being configured to be electrically connected to an ac power source;
the input end of the vehicle-mounted charger comprises a first input end and a second input end, the first end and the second end of the alternating current charging interface are respectively and electrically connected with the first input end and the second input end of the vehicle-mounted charger, wherein the first end of the alternating current charging interface and/or the second end of the alternating current charging interface are/is electrically connected with the first input end or the second input end of the vehicle-mounted charger through the at least one first switch.
3. The electric vehicle charging system according to claim 2, wherein the first end of the alternating current charging interface is electrically connected to a live wire of an alternating current power supply, and the first end of the alternating current charging interface is electrically connected to the first input end of the vehicle-mounted charger through the first switch.
4. The electric vehicle charging system of claim 1, wherein the dc charging interface comprises a first terminal and a second terminal, and the first terminal and the second terminal of the dc charging interface are configured to be electrically connected to a dc power source;
the direct-current charging connecting end of the high-voltage distribution box comprises a first direct-current charging connecting end and a second direct-current charging connecting end, and the first end and the second end of the direct-current charging interface are respectively and electrically connected with the first direct-current charging connecting end and the second direct-current charging connecting end; the first end of the direct-current charging interface and/or the second end of the direct-current charging interface are/is electrically connected with the first direct-current charging connection end or the second direct-current charging connection end through the at least one second switch.
5. The electric vehicle charging system according to claim 4, wherein the first end of the DC charging interface is configured to be electrically connected to a positive electrode of a DC power source, and the first end of the DC charging interface is electrically connected to the first DC charging connection terminal of the high voltage distribution box through the second switch.
6. The electric vehicle charging system of claim 1, further comprising:
a first inverter, the first inverter input being electrically connected to the high voltage distribution box;
an input end of the motor is electrically connected with an output end of the first inverter.
7. The electric vehicle charging system of claim 1, wherein an ac charging receptacle is provided at the ac charging interface.
8. The electric vehicle charging system of claim 7, wherein the ac charging receptacle comprises a seven-core receptacle.
9. The electric vehicle charging system of claim 1, wherein a dc charging socket is provided at the dc charging interface.
10. The electric vehicle charging system of claim 9, wherein the dc charging receptacle comprises a nine-core receptacle.
11. An electric vehicle, characterized in that, electric vehicle includes electric vehicle charging system, electric vehicle charging system includes:
a ganged switch including at least one first switch and at least one second switch, the first switch being opposite in state to the second switch;
a high voltage battery;
the battery connecting end of the high-voltage distribution box is electrically connected with the high-voltage battery;
the output end of the vehicle-mounted charger is electrically connected with the vehicle-mounted charger connecting end of the high-voltage distribution box;
the alternating current charging interface is used for being electrically connected with an alternating current power supply, and the alternating current charging interface is electrically connected with the input end of the vehicle-mounted charger through the first switch;
and the direct current charging interface is electrically connected with the direct current charging connecting end of the high-voltage distribution box through the second switch and is used for being electrically connected with a direct current power supply.
12. The electric vehicle of claim 11, wherein the ac charging interface comprises a first terminal and a second terminal, the first terminal and the second terminal of the ac charging interface being configured to be electrically connected to an ac power source;
the input end of the vehicle-mounted charger comprises a first input end and a second input end, the first end and the second end of the alternating current charging interface are respectively and electrically connected with the first input end and the second input end of the vehicle-mounted charger, wherein the first end of the alternating current charging interface and/or the second end of the alternating current charging interface are/is electrically connected with the first input end or the second input end of the vehicle-mounted charger through the at least one first switch.
13. The electric vehicle of claim 12, wherein the first end of the ac charging interface is configured to be electrically connected to a live line of an ac power source, and the first end of the ac charging interface is electrically connected to the first input terminal of the vehicle-mounted charger through the first switch.
14. The electric vehicle of claim 11, wherein the dc charging interface comprises a first terminal and a second terminal, the first terminal and the second terminal of the dc charging interface being configured to be electrically connected to a dc power source;
the direct-current charging connecting end of the high-voltage distribution box comprises a first direct-current charging connecting end and a second direct-current charging connecting end, and the first end and the second end of the direct-current charging interface are respectively and electrically connected with the first direct-current charging connecting end and the second direct-current charging connecting end; the first end of the direct-current charging interface and/or the second end of the direct-current charging interface are/is electrically connected with the first direct-current charging connection end or the second direct-current charging connection end through the at least one second switch.
15. The electric vehicle of claim 14, wherein the first end of the dc charging interface is configured to electrically connect to a positive electrode of a dc power source, and the first end of the dc charging interface is electrically connected to the first dc charging connection terminal of the high voltage distribution box via the second switch.
16. The electric vehicle of claim 11, wherein the electric vehicle charging system further comprises:
a first inverter, the first inverter input being electrically connected to the high voltage distribution box;
an input end of the motor is electrically connected with an output end of the first inverter.
17. The electric vehicle of claim 11, wherein an ac charging receptacle is provided at the ac charging interface.
18. The electric vehicle of claim 17, wherein the ac charging receptacle comprises a seven-core receptacle.
19. The electric vehicle of claim 11, wherein a dc charging socket is provided at the dc charging interface.
20. The electric vehicle of claim 11, wherein the dc charging receptacle comprises a nine-core receptacle.
21. The electric vehicle according to claim 11, characterized in that the electric vehicle further comprises a second inverter and an auxiliary battery;
the second inverter input is electrically connected with the high voltage distribution box, and the auxiliary battery is electrically connected with the output of the second inverter.
22. The electric vehicle of claim 21, further comprising a light module;
and the power input end of the light module is electrically connected with the power output end of the auxiliary battery.
23. The electric vehicle of claim 21, further comprising an instrument module;
and the power input end of the instrument module is electrically connected with the power output end of the auxiliary battery.
24. The electric vehicle of claim 21, further comprising a vehicle control system;
and the power supply input end of the whole vehicle control system is electrically connected with the power supply output end of the auxiliary battery.
25. A control method for automobile charging is applied to an electric automobile charging system, and is characterized in that the electric automobile charging system comprises:
a ganged switch including at least one first switch and at least one second switch, the first switch being opposite in state to the second switch;
a high voltage battery;
the battery connecting end of the high-voltage distribution box is electrically connected with the high-voltage battery;
the output end of the vehicle-mounted charger is electrically connected with the vehicle-mounted charger connecting end of the high-voltage distribution box;
the alternating current charging interface is used for being electrically connected with an alternating current power supply, and the alternating current charging interface is electrically connected with the input end of the vehicle-mounted charger through the first switch;
the direct current charging interface is electrically connected with the direct current charging connecting end of the high-voltage distribution box through the second switch and is used for being electrically connected with a direct current power supply;
the control method for charging the automobile comprises the following steps:
the automobile is connected with a charging pile;
if the direct current charging is started, the high-voltage distribution box configures the high-voltage battery for charging;
and if the alternating current charging is started, the high-voltage distribution box is configured with the high-voltage battery for charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544818.2A CN112117787A (en) | 2019-06-21 | 2019-06-21 | Electric automobile charging system, electric automobile and automobile charging control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544818.2A CN112117787A (en) | 2019-06-21 | 2019-06-21 | Electric automobile charging system, electric automobile and automobile charging control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112117787A true CN112117787A (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910544818.2A Pending CN112117787A (en) | 2019-06-21 | 2019-06-21 | Electric automobile charging system, electric automobile and automobile charging control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112117787A (en) |
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2019
- 2019-06-21 CN CN201910544818.2A patent/CN112117787A/en active Pending
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