WO2015074838A1 - Energieübertragungssystem und verfahren zur diagnose eines energieübertragungssystems - Google Patents
Energieübertragungssystem und verfahren zur diagnose eines energieübertragungssystems Download PDFInfo
- Publication number
- WO2015074838A1 WO2015074838A1 PCT/EP2014/073009 EP2014073009W WO2015074838A1 WO 2015074838 A1 WO2015074838 A1 WO 2015074838A1 EP 2014073009 W EP2014073009 W EP 2014073009W WO 2015074838 A1 WO2015074838 A1 WO 2015074838A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- disturbance
- foreign object
- diagnostic
- detection signal
- introducing
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
- B60L53/124—Detection or removal of foreign bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/305—Communication interfaces
-
- 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
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/60—Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- 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
-
- 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 transmission system and a method for diagnosing a power transmission system
- Inductive energy transfer systems are known. Such inductive energy systems are used, for example, for charging the traction battery of an electric or
- Hybrid vehicle used In the transmission of energy through such an inductive charging system arise in the air gap between primary and secondary coils strong alternating magnetic fields.
- the magnetic field strength of such alternating fields increases proportionally to the reduction of the coil size of the coils used.
- the occurring alternating magnetic fields can have a negative impact on the nervous system of living beings such as humans or animals. Therefore, such inductive
- Energy transmission systems equipped with a device for detecting or detecting objects. If an object is detected in the air gap between the primary and secondary coils of an inductive energy transmission system, then the power of the energy transmission is reduced or, if appropriate, the energy transmission is completely adjusted. Subsequently, the energy transfer process may be continued only if it is ensured that no object is located in the air gap of the inductive charging system.
- German patent application DE 10 2009 033 236 A1 discloses a device for inductive transmission of electrical energy from a stationary unit to a vehicle.
- the apparatus comprises means for detecting the presence of an object within a predetermined space.
- Detection device has at least one non-contact sensor and an evaluation device connected to the sensor.
- the sensor may be an ultrasonic, radar or infrared sensor or an electronic image sensor.
- Foreign object recognition is a safety-relevant function of the charging system. Therefore, the functionality must be made safe if necessary via redundant sensor systems and / or monitoring the sensitivity of the sensor system. A malfunction of the foreign object detection must be reliably detected. There is therefore a need for an energy transmission device for inductive energy transmission, which allows monitoring of the foreign object detection.
- the present invention provides a
- An energy transfer device for inductive energy transfer from a primary coil to a secondary coil, comprising a detector adapted to receive an object in the
- the present invention provides a method of diagnosing an inductive power transmission system having a
- Foreign object monitoring with the steps of introducing a predetermined fault into a monitoring area of the foreign object monitoring; of Receiving a detection signal from the foreign object monitor after the predetermined disturbance has been introduced into the foreign object monitor monitoring area; and determining a diagnostic information at
- the diagnostic system of a foreign object detection also makes it possible to detect a slowly adjusting continuous deterioration of the sensor system by comparison with defined reference objects / signals.
- the result of the diagnosis and possibly detected malfunctions can be stored in an error memory and provided for later evaluation. This simplifies maintenance and repair of the inductive power transmission system.
- the device for introducing a disturbance varies the introduced disturbance in size and / or intensity.
- the effective diameter or effective cross-sectional area of the introduced disturbance varies the introduced disturbance in size and / or intensity.
- the device for introducing a disturbance is designed to introduce a metallic object into the monitoring area.
- a metallic object of a defined shape may be slowly led from an area outside the surveillance area into the surveillance area.
- a metallic object is conceivable that initially in a position with a relatively small effective cross section with respect to the
- the device for introducing a fault is one
- Heat source can be verified in particular by means of such a heat source.
- the device further comprises a memory device configured to store the diagnostic information determined by the diagnostic device. This makes it possible at a later date, the
- the storage device may be the fault memory of a vehicle.
- the device further comprises a display device configured to display the diagnostic information determined by the diagnostic device.
- a display device configured to display the diagnostic information determined by the diagnostic device.
- Foreign object detection can be displayed immediately to a user then the user can immediately take appropriate action and, for example, cause a repair.
- the method varies for diagnosing a
- the present invention further comprises a system for charging a motor vehicle, in particular an electric vehicle, with a motor vehicle having an electrical energy store and a power transmission system according to the invention.
- FIG. 1 shows a schematic representation of a power transmission device according to an embodiment
- 2a and 2b a schematic representation of a device for introducing a
- FIG. 3 shows a schematic representation of a power transmission device according to a further embodiment
- FIG. 4 is a schematic representation of a flowchart, as it is a
- Method for diagnosing a power transmission system is based.
- the present invention will be described below in the context of charging a traction battery of an electric vehicle, the present invention is not limited to this application.
- the present invention can be used in all other inductive power transmission systems, which have a space between primary coil and secondary coils, in which objects can penetrate.
- the present invention can be used for any other applications in which an inductive energy transfer for charging an electrical energy storage device is used.
- 1 shows a schematic representation of a power transmission device for inductive energy transmission from a primary coil 1 to a secondary coil 2.
- the gap between the primary coil 1 and the secondary coil 2 is monitored by a detector 3.
- it is, for example, a metal detector, which by means of additional test coils 3a a metallic foreign object in the space between the primary coil 1 and
- Secondary coils 2 can detect.
- Alternative surveillance systems such as
- ultrasonic detectors for example, ultrasonic detectors, radar sensors, cameras or the like, are also possible.
- the energy transmission device further comprises a device 4 for introducing a disturbance.
- This device 4 brings, after appropriate control, a defined object 5, for example, a metallic object in the
- Gap between primary coil 1 and secondary coil 2 a Gap between primary coil 1 and secondary coil 2 a.
- Diagnostic device 6 the device 4 is first driven to introduce a fault. The device 4 then brings the defined object 5 in the
- Diagnostic device 6 from the detector 3 a signal and evaluates this signal. If the size of the received signal is sufficient to detect a foreign object, the diagnostic device 6 can confirm the functionality of the detector 3 as diagnostic information. If the received signal from the detector 3 is not sufficient to enable a reliable foreign object detection after the introduction of the object 5 into the space between primary coil 1 and secondary coils 3, the diagnostic information generated by the diagnostic device 6 indicates a malfunction of the detector 3.
- the thus determined diagnostic information of the diagnostic device 6 can be stored thereon, for example, in a suitable memory device 7.
- the specific diagnostic information can also be applied to a
- Display device 8 are displayed. Thus, a user can directly use the
- the specific diagnostic information of the diagnostic device 6 can also be fed into the bus system of a vehicle. For example, this can be the
- Diagnostic device via a suitable interface, such as OBDII, K-line, CAN bus or the like to be connected to the communication interfaces of a vehicle. This allows an immediate communication of the
- Diagnostic device 6 with an on-board diagnostic system of the vehicle.
- the individual components such as detector 3, device 4 for introducing a fault and the diagnostic device 6, can all be arranged on the side of primary coil 1 or secondary coil 2, as shown. Alternatively, it is also possible to arrange all the components for the foreign object detection and the self-test of foreign object detection on the side of the secondary coil 2.
- the individual components can also be arranged on different sides. Moreover, if the individual components are not all arranged on the same side, then it is possible for the individual ones
- Couple components together using appropriate interfaces Preferably, the individual components are coupled to one another via wireless communication interfaces.
- the individual components are coupled to one another via wireless communication interfaces.
- Energy transmission device can be initiated manually by a user. Alternatively, an automatic execution of the self-test is possible.
- such a self-test can be performed regularly before or at the beginning of an inductive energy transfer.
- Figs. 2a and 2b show an alternative embodiment of a device 4 for
- FIG. 2a shows first the flat object in a plan view from above, ie viewed from the secondary coil 2 in the direction of the primary coil 1.
- the flat object 5a seen in this direction initially has a relatively small cross-section.
- the object 5a is rotated by 90 ° about the axis A as shown in FIG.
- the object 5a subsequently having a significantly larger effective cross section in the direction from the secondary coils 2 to the primary coil 1 seen.
- the effective cross-section of the object 5a can be deduced from this angle of rotation.
- the current response threshold of the detector 3 can then be determined by the diagnostic device 6.
- FIG. 3 shows a schematic representation of an energy transmission device for inductive energy transmission according to a further exemplary embodiment.
- Device 4 for introducing a disturbance is designed as a heat source.
- this heat source may be a heating element, a heat radiator or the like.
- a laser beam is possible, which specifically heats a point or an area in the space between the primary coil 1 and secondary coil 2. This possibility has the advantage that the area to be heated in position and size can be adapted almost arbitrarily.
- detectors 3 which an object in the space between the primary coil 1 secondary coils 2 based on a
- Detect temperature change be checked.
- a detector could be a passive infrared sensor or the like.
- the diagnostic device 6 can output a diagnostic information that indicates a malfunction of the detector 4 already after a malfunction of the detector 4 detected once.
- a renewed self-test of the detector 4 can also be performed in order to detect a possible Disruption, for example, due to external influences or the like, exclude.
- the diagnostic device 6 only then as
- Diagnostic information outputs a malfunction of the detector 4 when a predetermined number of malfunctions have been detected by the diagnostic device 6.
- FIG. 4 shows a schematic representation of a flow diagram, as it is based on a method 100 for the diagnosis of an inductive energy transmission system with a foreign object monitoring according to one exemplary embodiment.
- a predetermined disturbance is first introduced into a monitoring area of the foreign object surveillance.
- the predetermined disturbance may be, for example, one of the above-described disturbances in the form of a defined object, a rotating object, or a heat development.
- a detection signal from the foreign object monitor is received after the predetermined disturbance into the monitor area of the
- diagnostic information is determined using the received diagnostic signal.
- the predetermined disturbance in the monitoring area can be varied both in size and / or intensity.
- a malfunction of the sensor is then determined by the specific diagnostic function if the received diagnostic signal exceeds or falls short of a predetermined threshold value.
- the present invention relates to a diagnosis of a
- a defined disturbance is introduced into the area to be monitored between the primary coil and the secondary coil of the inductive energy transmission system, and the response of the foreign object detection to this defined disturbance is evaluated.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Alarm Systems (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016533133A JP6302063B2 (ja) | 2013-11-21 | 2014-10-27 | エネルギー伝送システム、及び、エネルギー伝送システムを診断する方法 |
US15/037,855 US10150376B2 (en) | 2013-11-21 | 2014-10-27 | Energy transfer system and method for the diagnosis of an energy transfer system |
CN201480063669.3A CN105722719B (zh) | 2013-11-21 | 2014-10-27 | 能量传递系统和用于诊断能量传递系统的方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013223794.4A DE102013223794A1 (de) | 2013-11-21 | 2013-11-21 | Energieübertragungssystem und Verfahren zur Diagnose eines Energieübertragungssystems |
DE102013223794.4 | 2013-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015074838A1 true WO2015074838A1 (de) | 2015-05-28 |
Family
ID=51842513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/073009 WO2015074838A1 (de) | 2013-11-21 | 2014-10-27 | Energieübertragungssystem und verfahren zur diagnose eines energieübertragungssystems |
Country Status (5)
Country | Link |
---|---|
US (1) | US10150376B2 (de) |
JP (1) | JP6302063B2 (de) |
CN (1) | CN105722719B (de) |
DE (1) | DE102013223794A1 (de) |
WO (1) | WO2015074838A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016222554A1 (de) | 2016-11-16 | 2018-05-17 | Robert Bosch Gmbh | Vorrichtung zum induktiven Laden eines Elektrofahrzeugs und Verfahren zur Detektion von elektrisch leitfähigen Fremdkörpern in einer solchen Vorrichtung |
DE102017209095A1 (de) * | 2017-05-31 | 2018-12-06 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Erkennen wenigstens eines Objekts im Bereich zwischen einer Primärspule und einer Sekundärspule einer induktiven Ladeeinrichtung |
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DE102009033236A1 (de) | 2009-07-14 | 2011-01-20 | Conductix-Wampfler Ag | Vorrichtung zur induktiven Übertragung elektrischer Energie |
US20120262002A1 (en) * | 2011-04-13 | 2012-10-18 | Qualcomm Incorporated | Antenna alignment and vehicle guidance for wireless charging of electric vehicles |
DE102011050655A1 (de) * | 2011-05-26 | 2012-11-29 | Conductix-Wampfler Gmbh | Verfahren zur Erkennung eines elektrisch leitfähigen Fremdkörpers und Vorrichtung zur induktiven Übertragung elektrischer Energie |
US20130069441A1 (en) * | 2011-09-09 | 2013-03-21 | Witricity Corporation | Foreign object detection in wireless energy transfer systems |
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US20120228953A1 (en) * | 2008-09-27 | 2012-09-13 | Kesler Morris P | Tunable wireless energy transfer for furniture applications |
US20120313742A1 (en) * | 2008-09-27 | 2012-12-13 | Witricity Corporation | Compact resonators for wireless energy transfer in vehicle applications |
US20120228952A1 (en) * | 2008-09-27 | 2012-09-13 | Hall Katherine L | Tunable wireless energy transfer for appliances |
JP2010183705A (ja) * | 2009-02-04 | 2010-08-19 | Seiko Epson Corp | 送電装置または受電装置のテスト方法、送電装置、受電装置および無接点電力伝送システム |
JP2012127211A (ja) | 2010-12-13 | 2012-07-05 | Denso Corp | 内燃機関 |
KR101397624B1 (ko) | 2011-03-23 | 2014-05-22 | 주식회사 한림포스텍 | 무선 전력 전송 장치에서의 전력 전송 제어 방법 및 전력 전송 장치 |
JP2015008551A (ja) * | 2011-10-28 | 2015-01-15 | パナソニック株式会社 | 非接触電力伝送装置 |
US9722447B2 (en) * | 2012-03-21 | 2017-08-01 | Mojo Mobility, Inc. | System and method for charging or powering devices, such as robots, electric vehicles, or other mobile devices or equipment |
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JP5708563B2 (ja) * | 2012-06-04 | 2015-04-30 | トヨタ自動車株式会社 | 受電装置およびそれを備える車両、送電装置、ならびに電力伝送システム |
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JP6397417B2 (ja) * | 2012-10-19 | 2018-09-26 | ワイトリシティ コーポレーションWitricity Corporation | 無線エネルギー伝送システムにおける異物検出 |
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WO2015045085A1 (ja) * | 2013-09-27 | 2015-04-02 | 日産自動車株式会社 | 非接触受電装置の車載構造 |
-
2013
- 2013-11-21 DE DE102013223794.4A patent/DE102013223794A1/de active Pending
-
2014
- 2014-10-27 US US15/037,855 patent/US10150376B2/en active Active
- 2014-10-27 WO PCT/EP2014/073009 patent/WO2015074838A1/de active Application Filing
- 2014-10-27 JP JP2016533133A patent/JP6302063B2/ja active Active
- 2014-10-27 CN CN201480063669.3A patent/CN105722719B/zh active Active
Patent Citations (4)
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DE102009033236A1 (de) | 2009-07-14 | 2011-01-20 | Conductix-Wampfler Ag | Vorrichtung zur induktiven Übertragung elektrischer Energie |
US20120262002A1 (en) * | 2011-04-13 | 2012-10-18 | Qualcomm Incorporated | Antenna alignment and vehicle guidance for wireless charging of electric vehicles |
DE102011050655A1 (de) * | 2011-05-26 | 2012-11-29 | Conductix-Wampfler Gmbh | Verfahren zur Erkennung eines elektrisch leitfähigen Fremdkörpers und Vorrichtung zur induktiven Übertragung elektrischer Energie |
US20130069441A1 (en) * | 2011-09-09 | 2013-03-21 | Witricity Corporation | Foreign object detection in wireless energy transfer systems |
Also Published As
Publication number | Publication date |
---|---|
CN105722719B (zh) | 2019-03-08 |
JP2016541226A (ja) | 2016-12-28 |
CN105722719A (zh) | 2016-06-29 |
JP6302063B2 (ja) | 2018-03-28 |
DE102013223794A1 (de) | 2015-05-21 |
US10150376B2 (en) | 2018-12-11 |
US20160288655A1 (en) | 2016-10-06 |
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