WO2013190683A1 - 車載電力線通信システム - Google Patents
車載電力線通信システム Download PDFInfo
- Publication number
- WO2013190683A1 WO2013190683A1 PCT/JP2012/065889 JP2012065889W WO2013190683A1 WO 2013190683 A1 WO2013190683 A1 WO 2013190683A1 JP 2012065889 W JP2012065889 W JP 2012065889W WO 2013190683 A1 WO2013190683 A1 WO 2013190683A1
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- WIPO (PCT)
- Prior art keywords
- power line
- vehicle
- line communication
- communication system
- plc communication
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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
- H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of 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
-
- 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
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
-
- 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
-
- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00036—Charger exchanging data with battery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/06—Control of transmission; Equalising by the transmitted signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/548—Systems for transmission via power distribution lines the power on the line being DC
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/08—Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults
- H04L25/085—Arrangements for reducing interference in line transmission systems, e.g. by differential transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
- H04B2203/5425—Methods of transmitting or receiving signals via power distribution lines improving S/N by matching impedance, noise reduction, gain control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5429—Applications for powerline communications
- H04B2203/5445—Local network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/547—Systems for power line communications via DC power distribution
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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
-
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Definitions
- the present invention relates to a power line communication system using a cable (power line) connected to an in-vehicle battery as a communication line, and particularly relates to measures against leakage electromagnetic waves from the power line.
- V2G Vehicle to Grid
- V2H Vehicle to Home
- PLC communication power line communication
- door locking / unlocking (locking / unlocking) is generally performed by a user (driver) having a portable key having a wireless communication function pressing a locking / unlocking button of a vehicle. Is.
- the in-vehicle wireless communication device authenticates the portable key by wireless communication, and the door is locked / unlocked if it is correctly authenticated.
- the present invention has been made to solve the above-described problems, and in an in-vehicle power line communication system that performs power line communication during charging / discharging of a battery, it suppresses interference with other in-vehicle devices due to leakage electromagnetic waves from the power line.
- the purpose is to do.
- An in-vehicle power line communication system detects that a power line communication device that performs communication using a power line connected to an in-vehicle battery and an in-vehicle electronic device perform a specific operation, and And an interference suppression device that controls at least one of an output of the power line communication device and a current value flowing through the power line so that a leakage electromagnetic wave from the power line is reduced during operation.
- An in-vehicle power line communication system detects a power line communication device that performs communication using a power line connected to an in-vehicle battery, and that a specific type of information is transmitted and received by the power line communication device.
- a specific type of information is transmitted and received by the power line communication device.
- at least one of the output of the power line communication device and the value of the current flowing through the power line so that the leakage electromagnetic wave from the power line is reduced within a range where the power line communication is not interrupted.
- an interference suppression device for controlling.
- the operation of the in-vehicle electronic device is not disturbed by the electromagnetic wave leaking from the power line, so that the in-vehicle electronic device malfunctions during charging / discharging of the battery. Is prevented.
- the in-vehicle power line communication system it is possible to suppress electromagnetic waves leaking from the power line without interrupting communication of important information such as billing / settlement information. By not interrupting communication, it can be applied to an existing charging / settlement system, and a charging / settlement system for charging power of an electric vehicle can be realized at a relatively low cost.
- FIG. 1 is a configuration diagram of a battery charging system according to Embodiment 1.
- FIG. 3 is a block diagram illustrating configurations of a PLC communication apparatus and an interference suppression apparatus according to Embodiment 1.
- FIG. 3 is a flowchart showing an operation of the interference suppression device according to the first embodiment.
- 1 is a configuration diagram of a vehicle door lock system according to Embodiment 1.
- FIG. It is a figure which shows the process sequence of the vehicle door lock system which concerns on Embodiment 1.
- FIG. 3 is a configuration diagram of a battery charging system according to Embodiment 2.
- FIG. 6 is a block diagram showing a configuration of an HMI information processing apparatus according to Embodiment 2.
- FIG. 10 is a block diagram illustrating configurations of a PLC communication device and an interference suppression device according to a fourth embodiment. 10 is a flowchart showing an operation of the interference suppression device according to the fourth embodiment.
- FIG. 10 is a block diagram illustrating configurations of a PLC communication apparatus and an interference suppression apparatus according to a fifth embodiment. 10 is a flowchart showing an operation of the interference suppression apparatus according to the fifth embodiment.
- FIG. 1 is a diagram showing a configuration of a battery charging system according to the present embodiment.
- the vehicle 1 is an electric vehicle, and includes a battery 10, a charging control device 11, a PLC communication device 12, and an interference suppression device 13.
- the vehicle 1 is connected to the power supply device 4 via the charging cable 3.
- the PLC communication device 12 performs PLC communication with the external power supply device 4 through the charging cable 3.
- Information sent from the vehicle 1 to the power supply device 4 by PLC communication includes information related to the state of the battery 10 such as the remaining amount of power, and information sent from the power supply device 4 to the vehicle 1 includes control information for charging processing. (Charging start / stop commands, current value specification during charging, etc.).
- the charging control device 11 controls the charging operation for storing the power supplied from the power supply device 4 through the charging cable 3 in the battery 10.
- the charging control device 11 controls the charging operation of the battery 10 according to the charging control information obtained from the power supply device 4 by PLC communication.
- the on-vehicle electronic device 14 is, for example, a vehicle door lock system.
- the interference suppression device 13 controls the operation of the PLC communication device 12 so that leakage electromagnetic waves from the charging cable 3 generated by PLC communication do not interfere with the operation of the in-vehicle electronic device 14. That is, the interference suppression device 13 monitors the operation state of the in-vehicle electronic device 14 and temporarily stops the PLC communication in the PLC communication device 12 when detecting that the operation in the in-vehicle electronic device 14 is susceptible to the interference of the PLC communication. Thus, priority is given to the operation of the in-vehicle electronic device 14. Thereby, the leakage electromagnetic wave of PLC communication is prevented from interfering with the operation of the in-vehicle electronic device 14.
- FIG. 2 is a block diagram showing more detailed configurations of the charging control device 11, the PLC communication device 12, the interference suppression device 13, and the in-vehicle electronic device 14.
- the charge control device 11 includes a charge control unit 11a and a current value control unit 11b.
- the charging control unit 11a controls the charging voltage and charging current supplied to the battery 10.
- the current value control unit 11 b controls the current value flowing through the charging cable 3.
- the PLC communication device 12 includes a PLC communication unit 12a, a charging device control unit 12b, and a PLC communication state setting unit 12c.
- the PLC communication unit 12 a performs PLC communication using the charging cable 3.
- the charging device control unit 12 b controls the charging control device 11 by sending the charging control information of the battery 10 obtained from the power supply device 4 to the current value control unit 11 b of the charging control device 11.
- the PLC communication state setting unit 12c sets the communication state (frequency / power used for communication, connection / disconnection of communication) of the PLC communication performed by the PLC communication unit 12a.
- the interference suppression device 13 includes a PLC communication stop unit 13a, an interference state determination unit 13b, and an electronic device state acquisition unit 13c.
- the electronic device state acquisition unit 13 c monitors the operation of the in-vehicle electronic device 14 by acquiring information on the operation state of the in-vehicle electronic device 14.
- the interference state determination unit 13b determines whether or not the in-vehicle electronic device 14 performs an operation of receiving the interference of PLC communication based on the operation state information of the in-vehicle electronic device 14 acquired by the electronic device state acquisition unit 13c.
- the PLC communication stop unit 13a causes the PLC communication device 12 to stop / restart PLC communication based on the determination result of the interference state determination unit 13b.
- the in-vehicle electronic device 14 includes a state output unit 14 a that transmits information on the operation state of the in-vehicle electronic device 14 to the electronic device state acquisition unit 13 c of the interference suppression device 13.
- FIG. 3 is a flowchart showing the operation of the interference suppression device 13.
- the interference state determination unit 13b performs an operation performed by the in-vehicle electronic device 14 based on the information by PLC communication. It is determined whether or not the interference is received (ST2).
- the PLC communication stop unit 13a causes the PLC communication device 12 to stop the PLC communication (ST4).
- the PLC communication stop unit 13a causes the PLC communication device 12 to execute (restart or continue) PLC communication. (ST5).
- the operation of the battery charging system according to the present embodiment will be described using a specific example of the in-vehicle electronic device 14.
- the in-vehicle electronic device 14 is a smart entry vehicle door lock system.
- FIG. 4 is a configuration diagram of a vehicle door lock system 140 as the in-vehicle electronic device 14.
- illustration of the battery 10, the charging control device 11, and the PLC communication device 12 of the vehicle 1 is omitted.
- the vehicle door lock system 140 includes a door lock communication device 15, a lock / unlock button 16 and a lock / unlock device 18 mounted on the vehicle 1, and a portable key 17 possessed by a user (driver).
- the vehicle door lock system 140 when a user with the portable key 17 presses the lock / unlock button 16 of the vehicle 1, the door lock communication device 15 authenticates the portable key 17 by wireless communication and is correctly authenticated. Then, the locking / unlocking device 18 unlocks / locks the door.
- the door lock communication device 15 includes a door lock control unit 15a, a door lock communication unit 15b, and a lock / unlock button state acquisition unit 15c. 2 is also provided in the door lock communication device 15.
- the door lock control unit 15 a controls the door lock of the vehicle 1 by transmitting a command (locking / unlocking command) for locking / unlocking the door to the locking / unlocking device 18.
- the door lock communication unit 15b performs authentication by two-way wireless communication with the portable key 17 and determines whether locking / unlocking may be performed.
- the lock / unlock button state acquisition unit 15c acquires the state of the lock / unlock button 16 being ON (button is pressed) / OFF (button is not pressed).
- the state output unit 14 a operates to notify the interference suppression device 13 of the operation state of the vehicle door lock system 140.
- FIG. 5 is a diagram showing the processing sequence.
- the wireless communication between the door lock communication device 15 and the portable key 17 is defined in advance as receiving the interference of PLC communication performed by the PLC communication device 12, and the information is interference. It is assumed that it is registered in the suppression device 13. What operation of the vehicle door lock system 140 (on-vehicle electronic device 14) is subjected to PLC communication interference may be verified by, for example, experiments at the design stage of the vehicle 1.
- the vehicle 1 is connected to the power supply device 4 via the charging cable 3 and the battery 10 is being charged.
- the PLC communication device 12 performs PLC communication with the power supply device 4 using the charging cable 3.
- a notification that the lock / unlock button 16 has been pressed (ON notification) is sent from the lock / unlock button 16 to the door lock communication device 15.
- / Unlocked button state acquisition unit 15c In the door lock communication device 15, when the lock / unlock button state acquisition unit 15 c receives the ON notification, the state output unit 14 a performs the door lock / unlock processing to the electronic device state acquisition unit 13 c of the interference suppression device 13. Send a notification to start (lock / unlock processing start notification).
- the interference state determination unit 13 b determines whether the operation of the vehicle door lock system 140 receives the interference of the PLC communication. (Interference determination) is performed.
- the lock / unlock process of the vehicle door lock system 140 involves wireless communication between the door lock communication device 15 and the portable key 17.
- the wireless communication is defined in advance as receiving the interference of PLC communication performed by the PLC communication device 12. Therefore, the interference state determination unit 13b determines that the operation of the vehicle door lock system 140 is subjected to PLC communication interference. Therefore, the PLC communication stop unit 13a sends a command (communication stop command) to stop the PCL communication to the PLC communication device 12, and the PLC communication is temporarily stopped.
- the door lock communication unit 15b of the door lock communication device 15 transmits a confirmation (key confirmation request) to the portable key 17 as to whether the door is allowed to be locked / unlocked by wireless communication.
- the portable key 17 that has received the key confirmation request returns a message indicating that the door is allowed to be locked / unlocked (key confirmation response) to the door lock communication unit 15b.
- the door lock control unit 15a transmits a command to lock / unlock the door (lock / unlock command) to the lock / unlock device 18.
- the locking / unlocking device 18 When receiving the locking / unlocking command, the locking / unlocking device 18 switches between locking and unlocking the door. That is, when the door is locked, the door is unlocked. When the door is unlocked, the door is locked. Next, the locking / unlocking device 18 sends a notification (locking / unlocking notification) indicating that the door has been locked / unlocked to the door lock communication device 15.
- the door lock communication device 15 uses the state output unit 14a to notify the electronic device state acquisition unit 13c of the interference suppression device 13 that the lock / unlock process has been completed (locking). / Unlocking process completion notification).
- the interference suppression device 13 When receiving the lock / unlock process completion notification, the interference suppression device 13 again determines whether or not the operation of the vehicle door lock system 140 receives PLC communication interference. Since the lock / unlock process completion notification is output by the state output unit 14a after the wireless communication between the door lock communication device 15 and the portable key 17 is completed, the interference state determination unit 13b includes the vehicle door lock system 140. Is determined not to be subject to PLC communication interference. Therefore, the PLC communication stop unit 13a sends a command (communication execution command) for causing the PLC communication device 12 to execute PCL communication, and the PLC communication is resumed.
- a command communication execution command
- the interference suppression device 13 temporarily stops the PLC communication by the PLC communication device 12. This prevents the in-vehicle electronic device 14 from receiving PLC communication interference. Therefore, it is possible to prevent the in-vehicle electronic device 14 from malfunctioning while the battery 10 is being charged.
- the interference suppression device 13 monitors the state of the in-vehicle electronic device 14 and determines whether or not the in-vehicle electronic device 14 performs an operation of receiving PLC communication interference. Although shown, the determination may be performed by the in-vehicle electronic device 14 itself. That is, when the in-vehicle electronic device 14 determines whether or not the operation to be performed is a predetermined operation that receives the interference of the PLC communication, and performs the operation that receives the interference of the PLC communication, the in-vehicle electronic device 14 sends a notification to that effect to the interference suppression device. It is good also as a structure sent to 13 (PLC communication stop part 13a).
- the PLC communication is stopped during the operation in which the in-vehicle electronic device 14 receives the interference of the PLC communication, so that the PLC communication is performed in the operation of the in-vehicle electronic device 14. Preventing interference.
- the contents of the PLC communication between the vehicle 1 and the power supply device 4 include information on the state of the battery 10 (remaining amount of power, etc.), charge control information (charge start / stop command, current during charging, etc.
- charge control information charge start / stop command, current during charging, etc.
- information used by the user hereinafter referred to as “HMI (Human Machine Interface) information”.
- HMI information includes important information that is undesirable when communication is interrupted, such as billing / settlement information. Therefore, the present embodiment proposes a battery charging system that prevents the operation of the in-vehicle electronic device 14 from receiving PLC communication interference without interrupting PLC communication of important information such as billing / settlement information.
- FIG. 6 is a configuration diagram of the battery charging system according to the second embodiment.
- the configuration of the system is obtained by mounting the HMI information processing apparatus 20 on the vehicle 1 in addition to the configuration of FIG.
- the HMI device 2 in FIG. 6 is a device for a user to input and output HMI information to the HMI information processing device 20, and examples of existing devices include an IC card reader and a mobile phone.
- the HMI information processing device 20 also functions as another interference suppression device that prevents the operation of the in-vehicle electronic device 14 from receiving interference of leakage electromagnetic waves of PLC communication.
- FIG. 7 is a block diagram showing a configuration of the HMI information processing apparatus 20.
- the HMI information processing apparatus 20 includes an HMI information input / output unit 20a, an HMI information conversion unit 20b, an HMI information extraction unit 20c, and a leakage electromagnetic wave suppression unit 20d.
- the HMI information input / output unit 20a exchanges HMI information with the HMI device 2.
- the HMI information extraction unit 20c extracts HMI information such as URL (Uniform Resource Locator) from the contents of PLC communication performed by the PLC communication device 12.
- URL Uniform Resource Locator
- the HMI information conversion unit 20b converts the acquired HMI information into a predetermined format (format). That is, the HMI information extracted from the PLC communication by the HMI information extraction unit 20c is converted into a format recognizable by the HMI device 2 by the HMI information conversion unit 20b and sent to the HMI information input / output unit 20a.
- the HMI information received by the HMI information input / output unit 20a from the HMI device 2 is converted into a format recognizable by the PLC communication device 12 by the HMI information conversion unit 20b and sent to the PLC communication device 12. With this process, the HMI information can be exchanged between the HMI device 2 and the power supply device 4.
- the leakage electromagnetic wave suppression unit 20d suppresses the leakage electromagnetic wave of the charging cable 3 without interrupting the PLC communication while the PLC communication device 12 transmits and receives HMI information.
- a method of suppressing the leakage electromagnetic wave of the charging cable 3 without interrupting the PLC communication for example, a method of reducing the frequency used in the PLC communication by controlling the PLC communication state setting unit 12c of the PLC communication device 12, or the PLC communication device 12
- the charging device control unit 12b is controlled to reduce the amount of current flowing through the charging cable 3, or a method of performing both of them. Any method may be used as long as PLC communication can be continued.
- the operation of the leakage electromagnetic wave suppression unit 20d is prioritized over the operation of the PLC communication stop unit 13a of the interference suppression device 13.
- the HMI information extraction unit 20c monitors whether the content of the PLC communication includes HMI information.
- the detection and extraction of the HMI information can be performed by searching for information of a predetermined pattern such as specific tag information such as HTML (HyperText Markup Language) or XML (Extensible Markup Language).
- the HMI information processing apparatus 20 when the HMI information is transmitted from the power supply apparatus 4 to the PLC communication apparatus 12 by PLC communication will be described.
- the HMI information extraction unit 20c detects the HMI information sent from the power supply device 4
- the HMI information extraction unit 20c extracts the HMI information and sends it to the HMI information conversion unit 20b, and also notifies that the HMI information has been detected (HMI Information detection notification) is sent to the leakage electromagnetic wave suppression unit 20d.
- the leakage electromagnetic wave suppression unit 20d Upon receiving the HMI information detection notification, the leakage electromagnetic wave suppression unit 20d lowers the frequency of the PLC communication performed by the PLC communication device 12 or reduces the current value of the charging cable 3 within a range in which the PLC communication is not interrupted for a predetermined period. Thus, the leakage electromagnetic wave of the charging cable 3 is suppressed. As described above, since the operation of the leakage electromagnetic wave suppression unit 20d is prioritized over the PLC communication stop unit 13a, the PLC communication stop unit 13a does not interrupt the PLC communication during that time. Accordingly, it is possible to prevent the operation of the in-vehicle electronic device 14 from receiving the interference of the PLC communication while continuing the reception of the HMI information by the PLC communication.
- the HMI information conversion unit 20b converts the HMI information extracted by the HMI information extraction unit 20c into a format that can be recognized by the HMI device 2, and transmits the HMI information to the HMI device 2 through the HMI information input / output unit 20a. The user can use the received HMI information in the HMI device 2.
- the operation of the HMI information processing apparatus 20 when sending HMI information from the HMI apparatus 2 to the power supply apparatus 4 by PLC communication will be described.
- the HMI information held by the HMI device 2 is input to the HMI information conversion unit 20b through the HMI information input / output unit 20a.
- the HMI information conversion unit 20b converts the HMI information received from the HMI device 2 into a format that can be recognized by the PLC communication device 12 and sends the converted information to the PLC communication device 12.
- the PLC communication device 12 transmits it to the power supply device 4 by PLC communication.
- the HMI information extraction unit 20c sends a notification (HMI information detection notification) to the leakage electromagnetic wave suppression unit 20d that the content transmitted by the PLC communication device 12 is included.
- the leakage electromagnetic wave suppression unit 20d receives the HMI information detection notification
- the leakage electromagnetic wave suppression unit 20d suppresses the leakage electromagnetic wave of the charging cable 3 within a range where the PLC communication is not interrupted. Thereby, it can prevent that the operation
- the interference suppression device 13 is prevented from interfering with the operation of the in-vehicle electronic device 14 by the interference suppression device 13 by the same operation as in the first embodiment.
- the operation of suppressing the leakage current of the charging cable 3 by the leakage electromagnetic wave suppression unit 20d may be performed at least until the transmission / reception of individual HMI information is completed.
- a plurality of HMI information such as billing / settlement processing may be performed. May be performed continuously until all transmission / reception is completed (for example, a period from the start of the accounting process to the completion of the settlement process).
- the effects of the first embodiment can be achieved without interrupting PLC communication including HMI information, such as communication related to user confirmation such as billing / settlement and communication that requires a response from the user.
- HMI information such as communication related to user confirmation such as billing / settlement and communication that requires a response from the user.
- Obtainable since communication of billing / settlement information is not interrupted, it can be applied to an existing billing / settlement system, and a billing / settlement system for charging power of an electric vehicle can be realized at a relatively low cost.
- FIG. 8 is a block diagram illustrating configurations of the PLC communication apparatus and the interference suppression apparatus according to the third embodiment.
- a leakage electromagnetic wave suppression unit 13d is provided instead of the PLC communication stop unit 13a of the interference suppression device 13.
- the leakage electromagnetic wave suppression unit 13d suppresses the leakage electromagnetic wave of the charging cable 3 without interrupting PLC communication, similarly to the leakage electromagnetic wave suppression unit 20d of the HMI information processing apparatus 20 shown in the second embodiment.
- a technique for suppressing the leakage electromagnetic wave of the charging cable 3 for example, a technique of controlling the PLC communication state setting unit 12 c of the PLC communication device 12 to reduce the frequency used in the PLC communication, a charging device control unit of the PLC communication device 12.
- a method of reducing the amount of current flowing through the charging cable 3 by controlling 12b, or a method of performing both of them may be mentioned, but any method may be used as long as PLC communication can be continued.
- the interference suppression device 13 prevents the occurrence of the interference by stopping the PLC communication.
- the same effect can be obtained while continuing the PLC communication.
- the in-vehicle battery is discharged (from the vehicle to the grid). Power supply) is also under consideration.
- the present invention is also applicable to a system that performs PCL communication when discharging a battery.
- the PLC communication is stopped while the vehicle-mounted electronic device 14 performs an operation (such as wireless communication of the vehicle door lock system 140) that receives the interference of the PLC communication.
- the PLC communication was prevented from interfering with the operation.
- one of the techniques for suppressing the leakage electromagnetic wave of the charging cable 3 is a technique for reducing the amount of current flowing through the charging cable 3.
- leakage electromagnetic waves are also generated from devices such as an AC / DC converter that the charging control device 11 of the vehicle 1 uses for charging the battery 10. For this reason, even if the PLC communication is stopped or the amount of current flowing through the charging cable 3 is reduced, the leakage electromagnetic wave from the charging control device 11 may interfere with the normal operation of the in-vehicle electronic device 14.
- the in-vehicle electronic device 14 performs the operation of receiving the interference of the PLC communication, in addition to stopping the PLC communication, the charging process of the battery 10 by the charge control device 11 is stopped, and the in-vehicle electronic device is stopped.
- a battery charging system that ensures the normal operation of the device 14 is proposed.
- FIG. 9 is a diagram for explaining the battery charging system according to the fourth embodiment, and is a block diagram illustrating configurations of the charging control device 11, the PLC communication device 12, the interference suppression device 13, and the in-vehicle electronic device 14. .
- the structure of the whole battery charging system including the electric power supply apparatus 4 is the same as that of FIG. 1, description here is abbreviate
- the charging processing stop unit 13 e is provided in the interference suppression device 13 with respect to the configuration of the first embodiment (FIG. 3).
- the charging process stop unit 13e controls the charging control unit 11a to perform charging based on the result of the determination in the interference state determination unit 13b (determination as to whether or not the in-vehicle electronic device 14 performs an operation of receiving PLC communication interference). Stop / restart processing (AC / DC conversion, etc.).
- FIG. 10 is a flowchart showing the operation of the interference suppression apparatus 13 according to the fourth embodiment.
- the interference suppression device 13 when the electronic device state acquisition unit 13c acquires the operation state of the in-vehicle electronic device 14 (ST1), the interference state determination unit 13b performs an operation performed by the in-vehicle electronic device 14 based on the information by PLC communication. It is determined whether or not the interference is received (ST2).
- the PLC communication stop unit 13a causes the PLC communication device 12 to stop the PLC communication (ST41). Further, the charging process stop unit 13e sends a command (charging stop command) to stop the charging process to the charging control device 11, and the charging control unit 11a receives the command and stops the charging process of the battery 10 (ST42). As a result, the operation of the devices that perform the charging process such as the AC / DC converter of the charging control device 11 is also stopped, and the leakage electromagnetic waves from those devices are extremely small. In addition, since no current for charging the battery 10 flows through the charging cable 3, no leakage electromagnetic waves from the charging cable 3 are generated.
- the PLC communication stop unit 13a causes the PLC communication device 12 to execute (restart or continue) PLC communication.
- the charging process stop unit 13e sends a command (charging execution command) for executing (resuming or continuing) the charging operation to the charging control device 11, and the charging control unit 11a executes the charging process of the battery 10 in response thereto. (ST52).
- the charging process by the charge control device 11 is further stopped, and the AC used for that is stopped. Also stop the operation of devices such as DC converters. While the in-vehicle electronic device 14 performs the operation, leakage electromagnetic waves caused by the PCL communication and the charging process are suppressed, so that the normal operation of the in-vehicle electronic device 14 can be ensured more reliably.
- the technique for suppressing the leakage electromagnetic wave from the charging control device 11 of the vehicle 1 while the in-vehicle electronic device 14 performs the operation of receiving the interference of the PLC communication is described.
- the leakage electromagnetic wave charges the battery 10. It is also generated from the power supply device 4 that supplies the vehicle 1 with electric power to do so.
- the power supply device 4 also includes devices such as an AC / DC converter for power supply processing (power supply processing) to the vehicle 1, and leakage electromagnetic waves from these devices cause normal operation of the in-vehicle electronic device 14. It may be a hindrance.
- the power supply device 4 applies the power to the vehicle 1.
- a battery charging system is proposed in which the power supply process is stopped to further ensure the normal operation of the in-vehicle electronic device 14.
- FIG. 11 is a diagram for explaining the battery charging system according to the fifth embodiment, and is a block diagram illustrating configurations of the charging control device 11, the PLC communication device 12, the interference suppression device 13, and the in-vehicle electronic device 14. .
- the structure of the whole battery charging system including the electric power supply apparatus 4 is the same as that of FIG. 1, description here is abbreviate
- a power supply processing stop unit 13 f is provided in the interference suppression device 13 with respect to the configuration of the fourth embodiment (FIG. 9).
- This power supply processing stop unit 13f is based on the result of determination in the interference state determination unit 13b (determination of whether or not the in-vehicle electronic device 14 performs an operation of receiving PLC communication interference) via the PCL communication.
- FIG. 12 is a flowchart showing the operation of the interference suppression apparatus 13 according to the fifth embodiment.
- the interference suppression device 13 when the electronic device state acquisition unit 13c acquires the operation state of the in-vehicle electronic device 14 (ST1), the interference state determination unit 13b performs an operation performed by the in-vehicle electronic device 14 based on the information by PLC communication. It is determined whether or not the interference is received (ST2).
- the power supply processing stop unit 13f performs PLC with the power supply device 4 using the PLC communication unit 12a.
- a command for stopping the power supply processing to the vehicle 1 is sent to the power supply device 4 (ST41).
- the power supply device 4 stops the power supply process to the vehicle 1.
- the operation of the devices that perform power supply processing such as the AC / DC converter of the power supply device 4 is also stopped, so that leakage electromagnetic waves from these devices become extremely small.
- the PLC communication stop unit 13a causes the PLC communication device 12 to stop PLC communication (ST42). Furthermore, the charging process stop unit 13e sends a command (charging stop command) to stop the charging process to the charging control device 11, and the charging control unit 11a receives the command and stops the charging process of the battery 10 (ST43). Thereby, the leakage electromagnetic wave from the charging control apparatus 11 also becomes very small.
- the PLC communication stop unit 13a first executes (restarts or continues) the PLC communication with the PLC communication device 12. (ST51). Subsequently, the power supply processing stop unit 13f causes the power supply device 4 to execute (restart or continue) the power supply processing to the vehicle 1 through PLC communication with the power supply device 4 using the PLC communication unit 12a (power supply execution). Command) (ST52). When the power supply device 4 receives the power supply stop command, the power supply device 4 executes a power supply process to the vehicle 1.
- the charging process stop unit 13e sends a command (charging execution command) for executing (resuming or continuing) the charging operation to the charging control device 11, and the charging control unit 11a receives the command and executes the charging process of the battery 10 (ST53).
- the in-vehicle electronic device 14 when the in-vehicle electronic device 14 performs an operation of interfering with the PLC communication, the charging process by the PLC communication and the charging control device 11 is stopped, and further, the vehicle 1 is supplied to the vehicle 1 by the power supply device 4. Is also stopped, and the operation of devices such as an AC / DC converter used therefor is also stopped. While the in-vehicle electronic device 14 performs the operation, the leakage electromagnetic waves caused by the PCL communication, the charging process, and the power feeding process are all suppressed, so that the normal operation of the in-vehicle electronic device 14 can be ensured more reliably.
- the PLC communication is stopped as in the first embodiment while the in-vehicle electronic device 14 performs the operation of receiving the interference of the PLC communication, but for example, as in the second and third embodiments.
- a technique of reducing the leakage electromagnetic wave of the PLC communication while continuing the PLC communication by reducing the frequency used in the PLC communication may be used.
- the order of steps ST41 and ST42 in the flowchart of FIG. 12 may be arbitrary, and the order of steps ST51 and ST52 may be arbitrary.
- the vehicle door lock system is described as an example of the in-vehicle electronic device 14, but the application of the present invention is not limited thereto, and any in-vehicle electronic device whose operation is affected by the leaked electromagnetic wave. (For example, a car navigation device) can be widely applied.
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Abstract
Description
図1は、本実施の形態に係るバッテリ充電システムの構成を示す図である。当該バッテリ充電システムにおいて、車両1は電気自動車であり、バッテリ10、充電制御装置11、PLC通信装置12および干渉抑制装置13を備える。バッテリ10の充電時には、車両1は、充電ケーブル3を介して電力供給装置4に接続される。
上記のように、実施の形態1のバッテリ充電システムでは、車載電子機器14がPLC通信の干渉を受ける動作を行う間PLC通信を停止させていることにより、車載電子機器14の動作にPLC通信が干渉することを防止していた。
図8は、実施の形態3に係るPLC通信装置および干渉抑制装置の構成を示すブロック図である。本実施の形態では、干渉抑制装置13のPLC通信停止部13aに代えて、漏洩電磁波抑制部13dを設けたものである。
実施の形態1のバッテリ充電システムでは、車載電子機器14がPLC通信の干渉を受ける動作(車両ドアロックシステム140の無線通信など)を行う間PLC通信を停止させることにより、車載電子機器14の当該動作にPLC通信が干渉することを防止していた。また実施の形態2で説明したように、充電ケーブル3の漏洩電磁波を抑制する手法の一つに、充電ケーブル3に流れる電流量を小さくする手法がある。
実施の形態4では、車載電子機器14がPLC通信の干渉を受ける動作を行う間、車両1の充電制御装置11からの漏洩電磁波を抑制する技術を示したが、漏洩電磁波は、バッテリ10を充電するための電力を車両1に供給する電力供給装置4からも発生する。電力供給装置4も、車両1への電力供給処理(給電処理)のためのAC/DCコンバータ等の機器を有しており、それらの機器からの漏洩電磁波が車載電子機器14の正常な動作の妨げとなる場合も考えられる。
Claims (20)
- 車載バッテリ(10)に接続される電力線(3)を用いた通信を行う電力線通信装置(12)と、
車載電子機器(14)が特定の動作を行うことを検知し、当該特定の動作が行われる間、前記電力線(3)からの漏洩電磁波が小さくなるように前記電力線通信装置(12)の出力および前記電力線(3)を流れる電流値の少なくとも片方を制御する干渉抑制装置(13)とを備える
ことを特徴とする車載電力線通信システム。 - 前記干渉抑制装置(13)は、前記特定の動作が行われる間、前記電力線通信を停止させる
請求項1記載の車載電力線通信システム。 - 前記干渉抑制装置(13)は、前記特定の動作が行われる間、前記電力線通信装置(12)の出力周波数を低くする
請求項1記載の車載電力線通信システム。 - 前記干渉抑制装置(13)は、前記特定の動作が行われる間、前記電力線(3)を流れる電流値を小さくする
請求項1記載の車載電力線通信システム。 - 前記特定の動作は、前記電力線通信の干渉を受けるものとして予め規定されており、
前記干渉抑制装置(13)は、前記車載電子機器(14)の動作状態を監視して前記特定の動作が行われることを検出する機能を有する
請求項1記載の車載電力線通信システム。 - 前記特定の動作は、前記電力線通信の干渉を受けるものとして予め規定されており、
前記車載電子機器(14)は、前記特定の動作を行うときにその旨を干渉抑制装置(13)に通知する機能を有する
請求項1記載の車載電力線通信システム。 - 前記干渉抑制装置(13)はさらに、前記電力線通信装置(12)により特定種類の情報の送受信が行われることを検知し、当該特定種類の情報の送受信が行われる間、前記電力線通信が中断しない範囲で、前記電力線(3)からの漏洩電磁波が小さくなるように前記電力線通信装置(12)の出力または電力線(3)を流れる電流値を制御する
請求項1記載の車載電力線通信システム。 - 前記干渉抑制装置(13)は、前記特定種類の情報の送受信が行われる間、前記電力線通信装置(12)の出力周波数を低くする
請求項7記載の車載電力線通信システム。 - 前記干渉抑制装置(13)は、前記特定種類の情報の送受信が行われる間、前記電力線(3)を流れる電流値を小さくする
請求項7記載の車載電力線通信システム。 - 前記特定種類の情報は、HMI(Human Machine Interface)情報である
請求項7記載の車載電力線通信システム。 - 前記車載バッテリ(10)を搭載する車両(1)は、前記車載バッテリ(10)の充電処理を行う充電制御装置(11)を備えており、
前記干渉抑制装置(13)は、前記特定の動作が行われる間、前記充電制御装置(11)による前記充電処理を停止させる
請求項1記載の車載電力線通信システム。 - 前記車載バッテリ(10)を搭載する車両(1)には、前記電力線(3)を通して前記車両(1)へ電力を供給する給電処理を行う電力供給装置(4)が接続され、
前記干渉抑制装置(13)は、前記特定の動作が行われる間、前記電力供給装置(4)による前記給電処理を停止させる
請求項1記載の車載電力線通信システム。 - 前記車載電子機器(14)は、スマートエントリー機能を有するドアロックシステム(140)であり、
前記特定の動作は、キー(17)の認証に係る無線通信である
請求項1記載の車載電力線通信システム。 - 車載バッテリ(10)に接続される電力線(3)を用いた通信を行う電力線通信装置(12)と、
前記電力線通信装置(12)により特定種類の情報の送受信が行われることを検知し、当該特定種類の情報の送受信が行われる間、前記電力線通信が中断しない範囲で、前記電力線(3)からの漏洩電磁波が小さくなるように前記電力線通信装置(12)の出力および前記電力線(3)を流れる電流値の少なくとも片方を制御する干渉抑制装置(13)とを備える
ことを特徴とする車載電力線通信システム。 - 前記干渉抑制装置(13)は、前記特定種類の情報の送受信が行われる間、前記電力線通信装置(12)の出力周波数を低くする
請求項14記載の車載電力線通信システム。 - 前記干渉抑制装置(13)は、前記特定種類の情報の送受信が行われる間、前記電力線(3)を流れる電流値を小さくする
請求項14記載の車載電力線通信システム。 - 前記特定種類の情報は、HMI(Human Machine Interface)情報である
請求項14記載の車載電力線通信システム。 - 前記車載バッテリ(10)を搭載する車両(1)は、前記車載バッテリ(10)の充電処理を行う充電制御装置(11)を備えており、
前記干渉抑制装置(13)は、前記特定の動作が行われる間、前記充電制御装置(11)による前記充電処理を停止させる
請求項14記載の車載電力線通信システム。 - 前記車載バッテリ(10)を搭載する車両(1)には、前記電力線(3)を通して前記車両(1)へ電力を供給する給電処理を行う電力供給装置(4)が接続され、
前記干渉抑制装置(13)は、前記特定の動作が行われる間、前記電力供給装置(4)による前記給電処理を停止させる
請求項14記載の車載電力線通信システム。 - 前記車載電子機器(14)は、スマートエントリー機能を有するドアロックシステム(140)であり、
前記特定の動作は、キー(17)の認証に係る無線通信である
請求項14記載の車載電力線通信システム。
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US14/404,673 US9225564B2 (en) | 2012-06-21 | 2012-06-21 | On-board power line communication system |
PCT/JP2012/065889 WO2013190683A1 (ja) | 2012-06-21 | 2012-06-21 | 車載電力線通信システム |
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US20150188739A1 (en) | 2015-07-02 |
DE112012006566B4 (de) | 2024-02-01 |
JPWO2013190683A1 (ja) | 2016-02-08 |
CN104412516A (zh) | 2015-03-11 |
US9225564B2 (en) | 2015-12-29 |
CN104412516B (zh) | 2016-06-29 |
JP5843964B2 (ja) | 2016-01-13 |
DE112012006566T5 (de) | 2015-03-26 |
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