CN108349405B - Vehicle-mounted charging system and vehicle-mounted charger - Google Patents
Vehicle-mounted charging system and vehicle-mounted charger Download PDFInfo
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- CN108349405B CN108349405B CN201780002611.1A CN201780002611A CN108349405B CN 108349405 B CN108349405 B CN 108349405B CN 201780002611 A CN201780002611 A CN 201780002611A CN 108349405 B CN108349405 B CN 108349405B
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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
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
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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
- B60L53/14—Conductive energy transfer
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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
- B60L53/60—Monitoring or controlling charging stations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
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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
- Y02T90/12—Electric charging stations
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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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a vehicle-mounted charging system and vehicle-mounted machine that charges, includes: the system comprises a vehicle-mounted charger, a direct-current charging interface, a battery system and a Vehicle Control Unit (VCU), wherein the battery system is used for sending battery pack data to the vehicle-mounted charger and the direct-current charging interface; the VCU is used for providing power for the vehicle-mounted charger and participating in the control of the charging process when no alternating current is supplied; the direct current charging interface is used for receiving battery pack data, is connected with a direct current power supply and transmits direct current charging data to the vehicle-mounted charger; the vehicle-mounted charger is used for receiving direct current charging data transmitted by the direct current charging interface, battery pack data sent by the battery system and charging data sent by the VCU, and sending the direct current charging data, the battery pack data and the VCU charging data to the mobile terminal. The vehicle-mounted charging system and the vehicle-mounted charger achieve the purpose that the vehicle-mounted charger monitors the direct current charging state, and facilitate the detection of the charging state.
Description
Technical Field
The invention relates to the field of automotive electronics, in particular to a vehicle-mounted charging system and a vehicle-mounted charger.
Background
With the increasing shortage of new energy and the increasing severity of environmental pollution, electric vehicles have become hot spots for research and development of the automobile industry due to the excellent environmental protection and energy saving characteristics of the electric vehicles. An important power component of the electric automobile is the charging module, and the development of the electric automobile industry is greatly influenced by the technical level of the charging module.
In the prior art, two charging connection modes of an electric vehicle are mainly adopted, one mode is a direct-current charging mode of a charging pile, and the other mode is an alternating-current charging mode of a vehicle-mounted charger.
Disclosure of Invention
The embodiment of the invention discloses a vehicle-mounted charging system and a vehicle-mounted charger, which can enable the vehicle-mounted charger to report an alternating current charging state and a direct current charging state, and facilitate the detection of the charging state.
The invention discloses a vehicle-mounted charging system, which comprises a vehicle-mounted charger, a direct current charging interface, a battery system and a Vehicle Control Unit (VCU), wherein the vehicle-mounted charger is connected with the battery system and the VCU;
the battery system is used for sending the battery pack data to the vehicle-mounted charger and the direct current charging interface;
the VCU is used for providing power for the vehicle-mounted charger and participating in control of the charging process when no alternating current is supplied;
the direct-current charging interface is used for receiving the battery pack data, connecting a direct-current power supply and transmitting the direct-current charging data to the vehicle-mounted charger;
the vehicle-mounted charger is used for receiving the direct-current charging data transmitted by the direct-current charging interface, the battery pack data sent by the battery system and the charging data sent by the VCU, and sending the direct-current charging data, the battery pack data and the VCU charging data to the mobile terminal.
With reference to the first aspect of the present invention, in a first possible implementation manner of the first aspect of the present invention, a vehicle-mounted charger includes: the system comprises a programmable switch power supply module, a main control panel module, a direct current interface circuit acquisition module and a communication module, wherein the main control panel module is connected with the programmable switch power supply module, the battery system, the VCU and the communication module;
the program-controlled switching power supply module is used for providing direct-current voltage and current for the battery system after power conversion;
the main control panel module is used for communicating with the program-controlled switch power supply module, receiving battery pack data sent by the battery system, communicating with a mobile terminal through the communication module, and receiving signal data of the direct-current interface circuit acquisition module;
the direct current interface circuit acquisition module is used for acquiring the direct current signal of the direct current charging interface and sending the direct current charging data to the main control panel module;
the communication module is used for connecting the communication between the main control panel module and the mobile terminal.
With reference to the first possible implementation manner of the first aspect of the present invention, in a second possible implementation manner of the first aspect of the present invention, the dc interface circuit acquisition module is specifically configured to, in terms of being used to acquire the dc signal of the dc charging interface:
and acquiring a charging connection determining signal 1 of the direct-current charging interface, a charging connection determining signal 2 of the direct-current charging interface, a charging communication Control Area Network (CAN) high signal, a charging communication control area network (CAN low signal) and a low-voltage auxiliary power supply positive signal.
With reference to the first possible implementation manner of the first aspect of the present invention, in a third possible implementation manner of the first aspect of the present invention, the dc interface circuit acquisition module is specifically configured to, in terms of acquiring the dc signal of the dc charging interface and sending the dc charging data to the main control board module:
collecting the direct current signal of the direct current charging interface;
judging whether the direct current charging mode is in a working state or not according to the direct current signal;
and if the direct current charging mode is in a working state, sending the direct current charging data to the main control panel module.
With reference to the first possible implementation manner of the first aspect of the present invention, in a fourth possible implementation manner of the first aspect of the present invention, the communication module includes a wired communication module and a wireless communication module;
the wired communication mode in the wired communication module comprises CAN communication, an asynchronous transmission standard interface RS232, an intelligent instrument interface RS485 and an integrated circuit bus IIC;
the wireless communication mode in the wireless communication module comprises wireless local area network WIFI, Bluetooth, general packet radio service technology GPRS, third-generation mobile communication technology 3G, fourth-generation mobile communication technology 4G and ZigBee protocol.
With reference to the first possible implementation manner of the first aspect of the present invention, in a fifth possible implementation manner of the first aspect of the present invention, the main control board module is further configured to:
receiving the direct current charging data sent by the communication module;
analyzing and sorting the direct current charging data to obtain the state of a direct current charger;
and sending the state data of the direct current charger to the communication module.
With reference to the first possible implementation manner of the first aspect of the present invention, in a sixth possible implementation manner of the first aspect of the present invention, the communication module is further configured to:
receiving direct current charging data sent by the main control panel module;
sending the direct current charging data to a cloud server;
receiving the state data of the direct current charger sent by the cloud server after analyzing the direct current charging data;
and sending the state data of the direct current charger to the mobile terminal.
With reference to the first possible implementation manner of the first aspect of the present invention, in a seventh possible implementation manner of the first aspect of the present invention, the main control board module is further configured to, after receiving battery pack data sent by the battery system, send the battery pack data to the mobile terminal through the communication module.
The invention discloses a vehicle-mounted charger in a second aspect, which is applied to a vehicle-mounted charging system, wherein the vehicle-mounted charging system comprises the vehicle-mounted charger, a direct current charging interface, a battery system and a Vehicle Control Unit (VCU), the vehicle-mounted charger is connected with the battery system and the VCU, the battery system is connected with the direct current charging interface, and the direct current charging interface is connected with the vehicle-mounted charger;
the battery system is used for sending the battery pack data to the vehicle-mounted charger and the direct current charging interface; the VCU is used for providing power for the vehicle-mounted charger and participating in control of the charging process when no alternating current is supplied; the direct-current charging interface is used for receiving the battery pack data, connecting a direct-current power supply and transmitting the direct-current charging data to the vehicle-mounted charger;
the vehicle-mounted charger is used for receiving the direct-current charging data transmitted by the direct-current charging interface, the battery pack data sent by the battery system and the charging data sent by the VCU, and sending the direct-current charging data, the battery pack data and the VCU charging data to the mobile terminal.
With reference to the second aspect of the present invention, in a first possible implementation manner of the second aspect of the present invention, the vehicle-mounted charger includes: the system comprises a programmable switch power supply module, a main control panel module, a direct current interface circuit acquisition module and a communication module, wherein the main control panel module is connected with the programmable switch power supply module, the battery system, the VCU and the communication module;
the program-controlled switching power supply module is used for converting power into direct-current voltage and current of the battery system;
the main control panel module is used for communicating with the program-controlled switch power supply module, receiving battery pack data sent by the battery system, communicating with a mobile terminal through the communication module, and receiving signal data of the direct-current interface circuit acquisition module;
the direct current interface circuit acquisition module is used for acquiring the direct current signal of the direct current charging interface and sending the direct current charging data to the main control panel module;
the communication module is used for connecting the communication between the main control panel module and the mobile terminal.
In the embodiment of the invention, the battery system is used for sending the battery pack data to the vehicle-mounted charger and the direct current charging interface; the VCU is used for providing power supply for the vehicle-mounted charger when no alternating current is supplied; the direct current charging interface is used for receiving the battery pack data, connecting a direct current power supply and transmitting the direct current charging data to the vehicle-mounted charger; the vehicle-mounted charger is used for receiving the direct current charging data transmitted by the direct current charging interface, receiving the battery pack data sent by the battery system, and sending the direct current charging data and the battery pack data to the mobile terminal. It can be seen that, in the embodiment of the present invention, the connection relationship between the vehicle-mounted charger and the dc charging interface is added in the vehicle-mounted charging system to report the dc charging state, so that the vehicle-mounted charger can report not only the ac charging state but also the dc charging state, the purpose of monitoring the dc charging state by the vehicle-mounted charger is achieved, and the detection of the charging state is facilitated.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1A is a schematic structural diagram of a vehicle-mounted charging system according to an embodiment of the present invention;
fig. 1B is a schematic diagram of a dc charging socket contact arrangement according to an embodiment of the disclosure;
fig. 2 is a schematic structural diagram of another vehicle-mounted charging system disclosed in the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of the invention and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively 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 can be included in at least one embodiment of the invention. The appearances of the phrase 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. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1A, fig. 1A is a schematic structural diagram of a Vehicle-mounted charging system according to a first embodiment of the present invention, as shown in fig. 1A, the Vehicle-mounted charging system described in this embodiment may include a Vehicle-mounted charger, a dc charging interface, a battery system, and a Vehicle Control Unit (VCU), where:
the vehicle-mounted charger is connected with the battery system, the battery system is connected with the direct-current charging interface, and the direct-current charging interface is connected with the vehicle-mounted charger;
the battery system is used for sending the battery pack data to the vehicle-mounted charger and the direct current charging interface;
the VCU is used for providing power for the vehicle-mounted charger and participating in control of the charging process when no alternating current is supplied;
the direct-current charging interface is used for receiving the battery pack data, connecting a direct-current power supply and transmitting the direct-current charging data to the vehicle-mounted charger;
the vehicle-mounted charger is used for receiving the direct-current charging data transmitted by the direct-current charging interface, the battery pack data sent by the battery system and the charging data sent by the VCU, and sending the direct-current charging data, the battery pack data and the VCU charging data to the mobile terminal.
The VCU is further used for participating in control of the whole charging process, the VCU monitors battery pack data in real time in the control of the whole charging process, displays the battery pack data through a whole vehicle combination instrument, collects the charging state of the vehicle-mounted charger through a Control Area Network (CAN), and outputs corresponding vehicle control instructions (such as a power generation stopping instruction, a power supply cutting instruction, an alarm instruction and the like) according to the charging state.
Fig. 1B shows a schematic layout diagram of socket contacts of the DC charging interface, where CC1 is a charging Connection confirmation (Connection confirmation) signal 1, CC2 is a charging Connection confirmation signal 2, S + is a charging communication control Area Network high (CAN _ H) signal, S-is a charging communication control Area Network low (CAN _ L) signal, DC + is a DC power positive signal, DC-is a DC power negative signal, a + is a low-voltage auxiliary power positive signal, a-is a low-voltage auxiliary power negative signal, and PE is a Connection ground wire.
Specifically, the vehicle-mounted charging system further comprises an alternating current charging interface, the alternating current charging interface is connected with the vehicle-mounted charger, and the alternating current charging interface is used for transmitting the alternating current signal data to the vehicle-mounted charger.
Specifically, the vehicle-mounted charger is connected with the battery system through a CAN bus; the DC signals include CC1 signal and CC2 signal, S + signal and S-signal, and A + signal.
Specifically, the on-vehicle charger sends the dc charging data, the battery pack data, and the VCU charging data to the mobile terminal, and the method includes:
sending the direct current charging data, the battery pack data and the VCU charging data to the mobile terminal in a wired communication mode, wherein the wired communication mode comprises CAN communication, an asynchronous transmission standard interface RS232, an intelligent instrument interface RS485 and an Integrated Circuit bus (Inter-Integrated Circuit, IIC); and/or the presence of a gas in the gas,
and sending the direct current charging data, the battery pack data and the VCU charging data to the mobile terminal through a Wireless communication mode, wherein the Wireless communication mode comprises a Wireless local area network (WIFI), a Bluetooth, a General Packet Radio Service (GPRS), a third Generation mobile communication technology (3rd-Generation,3G), a fourth Generation mobile communication technology (4th-Generation,4G) and a ZigBee protocol (ZigBee).
The battery pack data comprises the charge state, the temperature and the like of the battery pack, the battery system is a core control part, the battery system detects the battery pack data, determines the charging mode according to the detected real-time data, sends the charging mode to the vehicle-mounted charger, and informs the vehicle-mounted charger of the charging voltage and the charging current required by the vehicle-mounted charger, so that the maximum utilization of the output power of the vehicle-mounted charger is realized, and the service life of the storage battery is effectively prolonged.
In the embodiment of the invention, the battery system is used for sending the battery pack data to the vehicle-mounted charger and the direct current charging interface; the VCU is used for providing power for the vehicle-mounted charger and participating in the control of the charging process when no alternating current is supplied; the direct current charging interface is used for receiving the battery pack data, connecting a direct current power supply and transmitting the direct current charging data to the vehicle-mounted charger; the vehicle-mounted charger is used for receiving the direct current charging data transmitted by the direct current charging interface, receiving the battery pack data sent by the battery system, and sending the direct current charging data and the battery pack data to the mobile terminal. It can be seen that, in the embodiment of the present invention, the connection relationship between the vehicle-mounted charger and the dc charging interface is added in the vehicle-mounted charging system to report the dc charging state, so that the vehicle-mounted charger can report not only the ac charging state but also the dc charging state, the purpose of monitoring the dc charging state by the vehicle-mounted charger is achieved, and the detection of the charging state is facilitated.
Optionally, in some embodiments of the present invention, the vehicle-mounted charger includes: the system comprises a programmable switch power supply module, a main control panel module, a direct current interface circuit acquisition module and a communication module, wherein the main control panel module is connected with the programmable switch power supply module, the battery system, the VCU and the communication module;
the program-controlled switching power supply module is used for providing direct-current voltage and current for the battery system after power conversion;
the main control panel module is used for communicating with the program-controlled switch power supply module, receiving battery pack data sent by the battery system, communicating with a mobile terminal through the communication module, and receiving signal data of the direct-current interface circuit acquisition module;
the direct current interface circuit acquisition module is used for acquiring the direct current signal of the direct current charging interface and sending the direct current charging data to the main control panel module;
the communication module is used for connecting the communication between the main control panel module and the mobile terminal.
Optionally, in some embodiments of the present invention, in terms of the dc interface circuit acquisition module being configured to acquire the dc signal of the dc charging interface and send the dc charging data to the main control board module, a specific implementation manner may be:
collecting the direct current signal of the direct current charging interface;
judging whether the direct current charging mode is in a working state or not according to the direct current signal;
and if the direct current charging mode is in a working state, sending the direct current charging data to the main control panel module.
Optionally, in some embodiments of the present invention, the main control board module is further configured to:
receiving the direct current charging data sent by the communication module;
analyzing and sorting the direct current charging data to obtain the state of a direct current charger;
and sending the state data of the direct current charger to the communication module.
Optionally, in some embodiments of the present invention, the communication module is further configured to:
receiving direct current charging data sent by the main control panel module;
sending the direct current charging data to a cloud server;
receiving the state data of the direct current charger sent by the cloud server after analyzing the direct current charging data;
and sending the state data of the direct current charger to the mobile terminal.
Optionally, in some embodiments of the present invention, the main control board module is further configured to send the battery pack data to the mobile terminal through the communication module after receiving the battery pack data sent by the battery system.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a second embodiment of another vehicle-mounted charging system disclosed in the embodiment of the present invention, where the vehicle-mounted charging system shown in fig. 2 is obtained by supplementing the vehicle-mounted charging system shown in fig. 1A, and a vehicle-mounted charger in the vehicle-mounted charging system shown in fig. 1A includes a program-controlled switching power supply module, a main control board module, a dc interface circuit acquisition module, and a communication module, where:
the main control panel module is connected with the programmable switch power supply module, the battery system, the VCU and the communication module, the alternating-current charging interface is connected with the programmable switch power supply module, the programmable switch power supply module is connected with the battery system and the VCU, the battery system is communicated with the VCU, the direct-current charging interface is connected with the direct-current interface circuit acquisition module, the direct-current interface circuit acquisition module is connected with the main control panel module, and the communication module is connected with the mobile terminal;
the program-controlled switching power supply module is used for providing direct-current voltage and current for the battery system after power conversion;
the main control panel module is used for communicating with the program-controlled switch power supply module, receiving battery pack data sent by the battery system, communicating with a mobile terminal through the communication module, and receiving signal data of the direct-current interface circuit acquisition module;
the direct current interface circuit acquisition module is used for acquiring the direct current signal of the direct current charging interface and sending the direct current charging data to the main control panel module;
the communication module is used for connecting the communication between the main control panel module and the mobile terminal.
When the battery pack is abnormal, the battery system can send the abnormal data to the main control panel module, and the main control module can send the processed abnormal data to a mobile terminal and the like through the communication module, so that a user can know the situation and take countermeasures.
The vehicle-mounted charger further comprises an alternating current interface circuit acquisition module, the alternating current interface circuit acquisition module is connected with the alternating current charging interface, and the alternating current interface circuit acquisition module is used for acquiring alternating current signals of the alternating current charging interface and sending alternating current signal data to the main control panel module.
Specifically, the main control panel module is mainly used for storage processing of battery pack data and direct current charging data, algorithm control, RS485 communication with the program control switch power supply module, CAN communication with a peripheral battery system and the like.
Optionally, the dc interface circuit acquisition module is configured to acquire the dc signal of the dc charging interface, and send the dc charging data to the main control board module, and is specifically configured to:
collecting the direct current signal of the direct current charging interface;
judging whether the direct current charging mode is in a working state or not according to the direct current signal;
and if the direct current charging mode is in a working state, sending the direct current charging data to the main control panel module.
If the direct current signal is not acquired by the direct current interface circuit acquisition module, the direct current charging mode is not in a working state, that is, the direct current charging mode is in an alternating current charging mode or is not in a charging state currently; otherwise, if the direct current signal is acquired, the current state is judged to be the direct current charging state.
Optionally, the main control board module is further configured to:
receiving the direct current charging data sent by the communication module;
analyzing and sorting the direct current charging data to obtain the state of a direct current charger;
and sending the state data of the direct current charger to the communication module.
The state of the dc charger may include whether the current operating states of the dc charger, such as the dc charging current, voltage, power, etc., are normal.
Optionally, the communication module is further configured to:
receiving direct current charging data sent by the main control panel module;
sending the direct current charging data to a cloud server;
receiving the state data of the direct current charger sent by the cloud server after analyzing the direct current charging data;
and sending the state data of the direct current charger to the mobile terminal.
The direct current charging data are sent to the cloud server, the cloud server can conduct arrangement analysis on the multiple direct current charging data, information such as charging time is recorded, statistics is conducted on the service life of the battery pack, and the change rule of the battery pack along with the extension of the service life and the charging time is obtained.
Optionally, the main control board module is further configured to, after receiving the battery pack data sent by the battery system, send the battery pack data to the mobile terminal through the communication module.
The mobile terminal can display the battery pack data and the charging data by creating application programs such as vehicle-mounted charging data analysis of the mobile terminal, so that a user can conveniently and quickly know the battery pack data and each charging state.
In the embodiment of the invention, the battery system is used for sending the battery pack data to the vehicle-mounted charger and the direct current charging interface; the VCU is used for providing power for the vehicle-mounted charger and participating in the control of the charging process when no alternating current is supplied; the direct current charging interface is used for receiving the battery pack data, connecting a direct current power supply and transmitting the direct current charging data to the vehicle-mounted charger; the vehicle-mounted charger is used for receiving the direct current charging data transmitted by the direct current charging interface, receiving the battery pack data sent by the battery system, and sending the direct current charging data and the battery pack data to the mobile terminal. It can be seen that, in the embodiment of the present invention, the connection relationship between the vehicle-mounted charger and the dc charging interface is added in the vehicle-mounted charging system to report the dc charging state, so that the vehicle-mounted charger can report not only the ac charging state but also the dc charging state, the purpose of monitoring the dc charging state by the vehicle-mounted charger is achieved, and the detection of the charging state is facilitated.
The embodiment of the invention also provides a computer storage medium, wherein the computer storage medium can store a program, and the program comprises part or all of the functions of the main control panel module when being executed.
While the invention has been described in connection with various embodiments, other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed invention, from a review of the drawings, the disclosure, and the appended claims. In the claims, the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. A single processor or other unit may fulfill the functions of several items recited in the claims. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus (device), or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. A computer program stored/distributed on a suitable medium supplied together with or as part of other hardware, may also take other distributed forms, such as via the Internet or other wired or wireless telecommunication systems.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (devices) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the invention has been described in conjunction with specific features and embodiments thereof, it will be evident that various modifications and combinations can be made thereto without departing from the spirit and scope of the invention. Accordingly, the specification and figures are merely exemplary of the invention as defined in the appended claims and are intended to cover any and all modifications, variations, combinations, or equivalents within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An in-vehicle charging system, characterized by comprising: the vehicle-mounted charger is connected with the battery system and the VCU, the battery system is connected with the direct-current charging interface, and the direct-current charging interface is connected with the vehicle-mounted charger;
the battery system is used for sending battery pack data to the vehicle-mounted charger and the direct current charging interface;
the VCU is used for providing power for the vehicle-mounted charger when no alternating current is supplied, participating in the control of the charging process, acquiring the charging state of the vehicle-mounted charger through a control local area network, and outputting a corresponding control instruction according to the charging state;
the direct-current charging interface is used for receiving the battery pack data, connecting a direct-current power supply and transmitting direct-current charging data to the vehicle-mounted charger;
the vehicle-mounted charger is used for receiving the direct-current charging data transmitted by the direct-current charging interface, the battery pack data sent by the battery system and the charging data sent by the VCU, and sending the direct-current charging data, the battery pack data and the charging data sent by the VCU to the mobile terminal;
the vehicle-mounted charging system further comprises an alternating current charging interface, the alternating current charging interface is connected with the vehicle-mounted charger, and the alternating current charging interface is used for transmitting alternating current signal data to the vehicle-mounted charger.
2. The system of claim 1, wherein the vehicle-mounted charger comprises: the system comprises a programmable switch power supply module, a main control panel module, a direct current interface circuit acquisition module and a communication module, wherein the main control panel module is connected with the programmable switch power supply module, the battery system, the VCU and the communication module, the alternating current charging interface is connected with the programmable switch power supply module, the programmable switch power supply module is connected with the battery system and the VCU, the battery system is communicated with the VCU, the direct current charging interface is connected with the direct current interface circuit acquisition module, the direct current interface circuit acquisition module is connected with the main control panel module, and the communication module is connected with the mobile terminal;
the program-controlled switching power supply module is used for providing direct-current voltage and current for the battery system after power conversion;
the main control panel module is used for communicating with the program-controlled switch power supply module, receiving battery pack data sent by the battery system, communicating with a mobile terminal through the communication module, and receiving signal data of the direct-current interface circuit acquisition module;
the direct current interface circuit acquisition module is used for acquiring direct current signals of the direct current charging interface and sending the direct current charging data to the main control panel module;
the communication module is used for connecting the communication between the main control panel module and the mobile terminal.
3. The system according to claim 2, wherein the dc interface circuit acquisition module, in terms of being configured to acquire the dc signal of the dc charging interface, is specifically configured to:
and acquiring a charging connection determining signal 1 of the direct-current charging interface, a charging connection determining signal 2 of the direct-current charging interface, a charging communication Control Area Network (CAN) high signal, a charging communication control area network (CAN low signal) and a low-voltage auxiliary power supply positive signal.
4. The system according to claim 2, wherein the dc interface circuit acquisition module is configured to, in terms of acquiring the dc signal of the dc charging interface and sending the dc charging data to the main control board module, specifically:
collecting the direct current signal of the direct current charging interface;
judging whether the direct current charging mode is in a working state or not according to the direct current signal;
and if the direct current charging mode is in a working state, sending the direct current charging data to the main control panel module.
5. The system of claim 2, wherein the communication module comprises a wired communication module and a wireless communication module;
the wired communication mode in the wired communication module comprises any one of CAN communication, an asynchronous transmission standard interface RS232, an intelligent instrument interface RS485 and an integrated circuit bus IIC;
the wireless communication mode in the wireless communication module comprises any one of wireless local area network (WIFI), Bluetooth, General Packet Radio Service (GPRS), third-generation mobile communication technology 3G, fourth-generation mobile communication technology 4G and ZigBee protocol.
6. The system of claim 2, wherein the main control board module is further configured to:
receiving the direct current charging data sent by the direct current interface circuit acquisition module;
analyzing and sorting the direct current charging data to obtain the state of a direct current charger;
and sending the state data of the direct current charger to the communication module.
7. The system of claim 2, wherein the communication module is further configured to:
receiving direct current charging data sent by the main control panel module;
sending the direct current charging data to a cloud server;
receiving the state data of the direct current charger sent by the cloud server after analyzing the direct current charging data;
and sending the state data of the direct current charger to the mobile terminal.
8. The system according to claim 2, wherein the main control board module is further configured to send the battery pack data to the mobile terminal through the communication module after receiving the battery pack data sent by the battery system.
9. The vehicle-mounted charger is characterized by being applied to a vehicle-mounted charging system, wherein the vehicle-mounted charging system comprises the vehicle-mounted charger, a direct-current charging interface, a battery system and a Vehicle Control Unit (VCU), the vehicle-mounted charger is connected with the battery system and the VCU, the battery system is connected with the direct-current charging interface, and the direct-current charging interface is connected with the vehicle-mounted charger;
the battery system is used for sending battery pack data to the vehicle-mounted charger and the direct current charging interface; the VCU is used for providing power for the vehicle-mounted charger when no alternating current is supplied, participating in the control of the charging process, acquiring the charging state of the vehicle-mounted charger through a control local area network, and outputting a corresponding control instruction according to the charging state; the direct-current charging interface is used for receiving the battery pack data, connecting a direct-current power supply and transmitting direct-current charging data to the vehicle-mounted charger;
the vehicle-mounted charger is used for receiving the direct-current charging data transmitted by the direct-current charging interface, the battery pack data sent by the battery system and the charging data sent by the VCU, and sending the direct-current charging data, the battery pack data and the charging data sent by the VCU to the mobile terminal;
the vehicle-mounted charging system further comprises an alternating current charging interface, the alternating current charging interface is connected with the vehicle-mounted charger, and the alternating current charging interface is used for transmitting alternating current signal data to the vehicle-mounted charger.
10. The vehicle-mounted charger according to claim 9, characterized in that it comprises: the system comprises a programmable switch power supply module, a main control panel module, a direct current interface circuit acquisition module and a communication module, wherein the main control panel module is connected with the programmable switch power supply module, the battery system, the VCU and the communication module;
the program-controlled switching power supply module is used for providing direct-current voltage and current for the battery system after power conversion;
the main control panel module is used for communicating with the program-controlled switch power supply module, receiving battery pack data sent by the battery system, communicating with a mobile terminal through the communication module, and receiving signal data of the direct-current interface circuit acquisition module;
the direct current interface circuit acquisition module is used for acquiring direct current signals of the direct current charging interface and sending the direct current charging data to the main control panel module;
the communication module is used for connecting the communication between the main control panel module and the mobile terminal.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/079117 WO2018176417A1 (en) | 2017-03-31 | 2017-03-31 | Vehicle-mounted charging system and vehicle-mounted charger |
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| CN108349405A CN108349405A (en) | 2018-07-31 |
| CN108349405B true CN108349405B (en) | 2021-08-31 |
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| CN201780002611.1A Active CN108349405B (en) | 2017-03-31 | 2017-03-31 | Vehicle-mounted charging system and vehicle-mounted charger |
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| WO (1) | WO2018176417A1 (en) |
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| CN113859003B (en) * | 2020-06-30 | 2024-04-16 | 比亚迪股份有限公司 | Vehicle-mounted charger, method for controlling direct-current charging of vehicle, charging adapter and vehicle |
| CN112776649B (en) * | 2020-12-30 | 2023-04-07 | 爱驰汽车有限公司 | Charging method for electric vehicle, charging pile, battery management system and medium |
| CN114678746B (en) * | 2021-09-15 | 2024-04-26 | 北京新能源汽车股份有限公司 | Charging conversion device, charging control method and device and electric automobile |
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| CN108349405A (en) | 2018-07-31 |
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