WO2012159994A2 - Dispositif et procédé de suppression d'une défaillance d'un transfert d'énergie sans fil - Google Patents

Dispositif et procédé de suppression d'une défaillance d'un transfert d'énergie sans fil Download PDF

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Publication number
WO2012159994A2
WO2012159994A2 PCT/EP2012/059279 EP2012059279W WO2012159994A2 WO 2012159994 A2 WO2012159994 A2 WO 2012159994A2 EP 2012059279 W EP2012059279 W EP 2012059279W WO 2012159994 A2 WO2012159994 A2 WO 2012159994A2
Authority
WO
WIPO (PCT)
Prior art keywords
component
detector
fault
disturbance
moisture
Prior art date
Application number
PCT/EP2012/059279
Other languages
German (de)
English (en)
Other versions
WO2012159994A3 (fr
Inventor
Rainer Falk
Steffen Fries
Original Assignee
Siemens Aktiengesellschaft
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Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2012159994A2 publication Critical patent/WO2012159994A2/fr
Publication of WO2012159994A3 publication Critical patent/WO2012159994A3/fr

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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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/04—Cutting off the power supply under fault conditions
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/34—Plug-like or socket-like devices specially adapted for contactless inductive charging of electric vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/443—Methods for charging or discharging in response to temperature
    • 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
    • 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
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00309—Overheat or overtemperature protection
    • 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
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • 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
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/36—Temperature of vehicle components or parts
    • 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
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using 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
    • Y02T10/70—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

Definitions

  • the invention relates to wireless connections, which transmit elekt ⁇ cal energy.
  • wireless connections which transmit elekt ⁇ cal energy.
  • electric vehicles which ver ⁇ add an electrical charging interface, via which a built-in electrical energy storage or a vehicle battery of the electric vehicle is rechargeable.
  • the charging of the electric vehicle is wireless, by instead of a charging cable with connectors electrical energy is transmitted inductively between the charging station and the electric vehicle via suitable induction plates, Spulensys ⁇ teme or conductor.
  • the coil system generates a magnetic alternating field, which transfers the energy from the charging station to the electric vehicle.
  • This object is achieved by an arrangement for eliminating a disturbance of a wireless power transmission, in which a first component, which is a plate, mat or other device, for wireless energy ⁇ transmission, in particular by means of electromagnetic induction, is set up, wherein the energy received from a two-th component or wear to the second component via ⁇ .
  • the arrangement is characterized by a troubleshooting means.
  • a charging station is designed in particular as a floor charging station and has the arrangement.
  • An electric vehicle also has the arrangement.
  • a Stö ⁇ tion of energy transfer is available.
  • the procedure is characterized in that a fault-correcting means automatically corrects the fault.
  • the arrangement and the method have the advantage that the wireless energy transmission is not caused by water
  • Dirt, snow, ice or garbage such as Tin cans or chewing gum paper is dirty. A high efficiency of energy transfer is guaranteed. Dangers to humans, animals and technology, for example due to the presence of metallic or other conductive objects between the components, are prevented.
  • the arrangement and the method take into account the fact that with a nationwide installation of charging stations or ground charging stations for electric vehicles, such as on the road ⁇ edge, no adequate roofing for protection against Witte ⁇ tion influences and other confounders can be provided. Accordingly, there is an increased risk that free-roaming animals or objects such as tin cans penetrate into the area of wireless energy transmission. Detecting this is of particular importance, as proper and safe wireless energy transmission can be affected by moisture, moisture, leaves or dirt, as well as the influence of animals.
  • the interference-repairing means is arranged to move, in particular tilt, pivot or shake the first component in order to at least partially remove objects, leaves, dirt or moisture from the first component.
  • the disturbance-Behe ⁇ bungsmittel includes a cleaning device, in particular a Ge ⁇ blower, a washing nozzle and / or a wiper through which objects, leaves, dirt, moisture or moisture at least partially removable from the first component.
  • a desiccant which consists in particular of a blower and / or a heating element and is in a tooLerich- tet ⁇ least partially drying the first component. This has the advantage that an inductive Blindleis ⁇ tion is reduced by the detection and elimination of moisture as an undesirable dielectric.
  • the fault-correcting means is arranged for at least partial drying or cleaning of the second component when the two components are arranged adjacent. This has the advantage that an inductive reactive power is reduced by the detection and elimination of moisture as an undesirable dielectric.
  • the disturbance remedial means includes a fire fighting agent.
  • a fire fighting agent When drahtlo ⁇ sen energy transfer to confounding factors such as dry leaves, metal cans and paper clips can not always be eliminated, which can heat and ignite.
  • a fire risk is contained.
  • the first component has openings, in particular apertures or grooves, through which moisture or moisture can run off.
  • This has an inductive reactive power is reduced by detecting and Beseiti ⁇ supply of moisture as an undesired dielectric the advantage.
  • the arrangement comprises a disturbance detector which is set up to detect disturbance factors for the wireless energy transmission between the first component and the second component.
  • the ⁇ An assembly further comprises a control unit which directs Lucas- is to start up the noise elimination means when the fault detector detects a disturbance factor.
  • This embodiment has the advantage that disturbing factors such as Moisture or moisture, objects or animals can be detected.
  • control unit is set up to interrupt or reduce the wireless energy transmission as long as the interference detector detects interference factors for the wireless energy transmission. This prevents accidents when people or animals are dangerously close to the first component and are detected as a disruptive factor. Also, technical damage to the affected components by other disruptive factors such as foreign bodies made of metal is thereby prevented.
  • the interference detector includes at least one light barrier, at least onetheresmel ⁇ the at least one fire detector, at least one Metallde ⁇ Tektor, at least one camera and a computational unit for object recognition, at least a humidity sensor, in particular a material moisture sensor and / or a hygrometer which is adapted to detect moisture or moisture on the first component, and / or at least one temperature sensor adapted to measure the temperature of the first component or an environment.
  • a humidity sensor in particular a material moisture sensor and / or a hygrometer which is adapted to detect moisture or moisture on the first component
  • / or at least one temperature sensor adapted to measure the temperature of the first component or an environment.
  • the motion detector has the advantage that the charging station can be monitored for people and / or animals in the immediate vicinity.
  • the fire detector is used to detect fire when, for example, a metal object such as a paper clip is heated during a charging process and ignites dry leaves.
  • the first component for supplying an electric vehicle with energy is designed.
  • the first component is attached to a charging station, on a roadway or to the electric vehicle.
  • the disturbance-remedial means includes a drive means, which is so ⁇ controlled that the first component is tilted so that animals run away, slip off leaves, rollen objects or moisture can run off at least partially, and / or the first component is a pivoting or shaking performs ⁇ to at least remove animals, leaves, objects or wet part ⁇ wise.
  • This variant is particularly in Rect al.
  • induction plates such as soil induction plates, which are embedded in a roadway and movably mounted, of advantage, since the soil induction plate can free by the corresponding movements of animals, leaves, slush, dirt or garbage, creating a optimal inductive power transmission to an electric vehicle is ensured.
  • a distance to the electric vehicle can be measured, for example, via an integrated camera or via a change in the inductance.
  • the disturbance-remedial means includes a fire-fighting agent comprising a
  • the fault-fix ⁇ medium includes a cleaning agent and / or a drying agent.
  • the interference-eliminating agent at least partially cleans and / or dries the first component.
  • the first component and the second component are disposed adjacent.
  • the perturbation agent cleans or dries the second component at least partially.
  • a control unit activates the trouble-shooting means as soon as a fault detector is detected Interference factors for the wireless energy transfer between the first component and the second component detected.
  • control unit interrupts or reduces the wireless energy transmission as long as the interference detector detects interference factors for the wireless energy transmission.
  • FIG. 1 shows an electric vehicle, which is connected by a charging cable with a charging station
  • FIG. 2 shows a soil induction plate with a fault
  • FIG. 3 shows a movably mounted soil induction plate with a disturbance detector
  • FIG. 4 shows a soil induction plate with a fault
  • a charging station 10 enables control of a wireless energy transfer between the first component 1 and a second component, which is mounted on the electric vehicle 20 and not shown in detail in Figure 1.
  • the two compo ⁇ nents is, for example, induction plates or mats.
  • the first component 1 may be a coil which is directly enclosed in the tar or concrete of a road surface. Alternatively, the first component 1 is mounted on a charging column or a robot arm.
  • the first component 1 usually a Energyabgabevor ⁇ direction or an energy transmitter, such as a coil or a Ladder, while the second component is a corresponding energy receiving device or a power receiver. Between the two components there is usually an air gap even with an optimal arrangement.
  • the charging stations 10 With an area-wide installation of charging stations, it can be assumed that roofing can no longer be provided in every case, as in petrol stations. Instead, the charging stations 10, the first component 1 and the electric vehicle 20 are expected to be outdoors, where they are exposed to influences of weather, animals, foliage etc. reinforced.
  • the weather influences include e.g. Rain, moisture from condensation, ice and snow, but also slush and dirt.
  • Suitable as troubleshooting means are, inter alia, a blower, one or more spray nozzles (similar to a headlight washer), wipers (similar to a windshield wiper), etc. These technologies can also be combined, eg first spraying with water or another cleaning fluid and a subsequent Drying by a fan ⁇ se.
  • a fault detector means of suitable sensors include a fixed degree of contamination, after which one or meh ⁇ eral the above-mentioned technologies are used depends on the degree of cleaning of the first component. 1
  • Figure 2 shows a first component 1, which is again designed as a Bo ⁇ denindu Needlessplatte a ground charging station for wireless power transmission.
  • the first component 1 may be a plate, mat or other device, wel ⁇ che allows, for example by means of a coil wireless energy ⁇ gieübertragung.
  • a coil directly inserted into the tar or concrete of a road surface 40 is used as the first component 1.
  • FIG. 2 also shows a fault-rectification means H in the form of a heating element (in addition to a possibly existing coil for induction), which is incorporated in the first component 1 and heats it to thaw ice or snow and / or the first one Component 1 to dry.
  • a fault-rectification means H in the form of a heating element (in addition to a possibly existing coil for induction), which is incorporated in the first component 1 and heats it to thaw ice or snow and / or the first one Component 1 to dry.
  • the previously described elements of Figure 2 already form an embodiment of the arrangement for eliminating a disturbance of a wireless power transmission.
  • additional elements may be added, which are described below.
  • the first component 1 is connected to a charging ⁇ column 10 which charging energy for the first compo nent ⁇ 1 then provides exactly when a fault detector detects no S disturbance factors for the first component.
  • the first component 1 isssenlas ⁇ sen into the road surface 40th Next to it is a curb 50, in which the disturbance detector S is incorporated.
  • the disturbance detector S detects ice or snow on the induction plate. Then, a reference is made in Figure 3 (not further ge Service ⁇ TES) in heating operation by the control unit 3, which heats the Bodeninduk ⁇ tion plate and defrost the ice or the snow.
  • interference factors which can detect the disturbance detector S, very different influences come into consideration.
  • other disturbance remedies H may be required as a heating element, which will be discussed in the following embodiments.
  • the disturbance detector S Due to the variety of possible interfering factors, very different designs are possible for the disturbance detector S. Determined the fault detector S mostly weathering influences, then, if necessary, are simple moisture ⁇ and temperature sensors. In order to detect animals, leaves or objects such as tin cans, the fault detector S can, for example, one or more light barriers sen, Metallde ⁇ detectors and / or cameras with image recognition means comprehensive.
  • the fault detector S communicates the identified interferences of a control unit 3 to the charging post 10.
  • the STEU ⁇ erritt 3 may be located for example in the disturbance detector or S in the loading column 10th
  • the ground induction plate is, for example, a device for inductively charging an electric vehicle.
  • FIG. 2 shows the bottom-side part of such a connection for inductive charging.
  • the vehicle-mounted part can also be equipped with the interference detector S or the control unit 3 or the interference-canceling means H shown in FIG.
  • the disturbance detector detects disturbance factors S, this will communi ⁇ sheet via the control unit 3 to the charging station 10, which then adjusts charging parameters.
  • the Ladepara ⁇ meters are used by a controller of the electric vehicle or the charging station 10 to control the charging process. ever After interference factor, the charging parameters are adjusted so that charging of the electric vehicle is either completely under ⁇ bound or performed with a reduced maximum voltage and / or with a reduced maximum current.
  • the fault detector S for example, as a camera implemented with ⁇ Whether jekterkennung, the maximum voltage and the maximum current can be reduced depending on the detected object.
  • an error message about the detected object and possibly a camera image can be output to an operator, combined with the request to remove the interfering object.
  • the charging process is only then continued, or only then continued with full charging power after the respective object has been removed. This would be the case, for example, if a cat was detected on the induction plate so as not to injure the animal during the loading process.
  • the fault detector S includes at least one metal detector which detects a metallic object on the induction plate, such as a Blechdo ⁇ se. Also, it is advisable to suspend the charging process until the elimination of the object. In these cases, it is also appropriate to issue a warning signal to a user or an emergency shutdown to avoid accidents. Furthermore, an animal can be expelled specifically by an acoustic signal or a blower from the induction plate.
  • the disturbance detector S as a moisture sensor may include a material moisture sensor or a hygrometer.
  • the disturbance detector S comprises a temperature sensor which measures a temperature of the respective component or the environment.
  • the control unit 3 optionally maintains a communication link to a weather service to poll current weather data.
  • the weather data include, for example, a dew point temperature, which in conjunction with the measured temperature can close condensate formation on the first component 1.
  • the disturbance-remedying means H is, for example, a fan which dries the first component 1 by means of a heating element of heated air.
  • a heating element is integrated into the first component 1 to heat the component di ⁇ rectly and dry like that.
  • the heating can also prevent condensation.
  • the required heating air or heating fluid can also be provided via corresponding connections from the electric vehicle or the charging station 10.
  • an existing heater of the electric vehicle such as a parking heater or an interior heating, can be used. This can directly heat or dry the first component 1 when it is attached to the electric vehicle.
  • an electric vehicle-mounted trouble-shooting means may heat and / or dry the first component 1, with a heater or interior heater of the electric vehicle flowing hot air over the first component leaves.
  • the disturbance-remedying means H is put into operation in this case by the control unit 3 as soon as the disturbance detector S detects weather influences on the first component.
  • Figure 3 shows a movably mounted soil induction plate as the first component 1, which is arranged sunk on a roadway surface 40 or in this.
  • the first component 1 can be moved here via pistons 60, for example piston pneumatic cylinders.
  • the pistons 60 are in this case the be ⁇ already explained fault-correcting means in new Ausgar ⁇ tion.
  • this design has the advantage that the first component 1 can be jus ⁇ tation that results in an optimal distance for the charging process.
  • the disturbance detector S is also embedded in a curb 50 here.
  • a control unit 3 receives Signal of the noise detector S. If these disturbance factors, such as animals, leaves, objects or moisture, insbeson ⁇ particular rain or snow is detected on the first component, the piston driven 60 so that the first component 1 is inclined, so that the animals run away, that
  • the first component 1 may be pivoted or shaken by the pistons 60 to at least partially remove the animals, leaves, objects or watering.
  • the first component 1 can also have openings, in particular apertures or grooves, through which moisture or moisture can run off. Furthermore, it can also be movably mounted on the vehicle side. In this case, the previously described analog applies.
  • Figure 4 shows a first component 1 with a fault detector S and a fault recovery means H.
  • the fault recovery means H is Hautar beitet ⁇ in a curb 50th
  • the first component 1 is embedded again as induction plate in a road surface 40, but could also be located at a charging station or at the electric vehicle. Further, it is also possible that as a first component 1 is a di- rectly 40Indialas ⁇ sene coil is used in the tar or concrete, of a road surface.
  • a control unit 3 detects interference ⁇ factors due to a signal of the noise detector S and then controls the interference recovery means H in which, component interfering factors, such as moisture on the first compo- 1 eliminated.
  • the fault-fix ⁇ medium H for example, has a fan.
  • the fault recovery means H can clean the surface of the first compo nent ⁇ 1 using one or more washing nozzles and / or wiper and dry.
  • FIG. 4 shows a further exemplary embodiment, in which the disturbance detector S is a fire detector, for example a smoke detector, heat detector, smoke gas detector or flame detector includes, which detects a fire on the first component 1 or in the vicinity thereof.
  • the fire may be caused, which is heated during charging of the electric vehicle inductively and thereby ignites dry leaves as by ei ⁇ NEN metallic object such as a paperclip.
  • the control unit 3 then controls as a fault-correcting means H to a fire-fighting agent, which combats the fire, for example, using the extinguishing agent water, C02 or extinguishing foam. As a result, damage to the electric vehicle or the first component 1 is prevented.
  • the described embodiments, developments, variants and embodiments can be freely combined with each other. This applies in particular to the arrangement of the first component 1 and the second component, the disturbance-remedying means and the disturbance detector, which can be arranged in each case on the vehicle side, or on the side of the charging station, but also opposite one another.
  • the disturbance detector can sense disturbances on its own side as well as on the opposite side as well as in the interspace. The same applies analogously to the place of action of the fault-correcting means.
  • data communication between the electric vehicle and the charging station is advantageous in all described embodiments, further developments, variants and exemplary embodiments. Using this communication channel can be raw data or recognized confounders from the fault detector and control commands for the fault Behe ⁇ advertising medium to the respective opposite side adorn communi ⁇ .

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'objet de l'invention est de favoriser un chargement inductif fiable et efficace de véhicules électriques. A cet effet, différents moyens sont destinés à supprimer automatiquement les défaillances du transfert d'énergie. L'eau, la saleté, la neige, la glace ou des déchets comme par exemple des boîtes de conserve ou du papier d'emballage de chewing-gum peuvent ainsi être retirés du trajet de transfert ou un feu peut être éteint. Cela permet de garantir un rendement élevé du transfert d'énergie. Simultanément, la sécurité est augmentée et un risque d'incendie ou des dommages matériels sont évités. Afin de supprimer les défaillances, différents moyens mécaniques sont présentés pour le nettoyage et le séchage automatiques. Par exemple, les composants destinés au chargement inductif sont nettoyés au jet au moyen d'une buse de lavage puis séchés au moyen d'un ventilateur. En variante, les éléments peuvent être basculés, pivotés ou secoués afin de retirer des objets, des feuilles, de la poussière ou de l'humidité ou d'expulser des animaux. Des capteurs sont éventuellement utilisés pour déterminer un degré de salissure ou un type de défaillance. Le processus de chargement peut également être adapté ou totalement interrompu jusqu'à l'élimination de facteurs de défaillance connus.
PCT/EP2012/059279 2011-05-20 2012-05-18 Dispositif et procédé de suppression d'une défaillance d'un transfert d'énergie sans fil WO2012159994A2 (fr)

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DE102011076186A DE102011076186A1 (de) 2011-05-20 2011-05-20 Anordnung und Verfahren zur Behebung einer Störung einer drahtlosen Energieübertragung
DE102011076186.1 2011-05-20

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JP2018038110A (ja) * 2016-08-29 2018-03-08 日本無線株式会社 異物介在防止装置
JP2018038111A (ja) * 2016-08-29 2018-03-08 日本無線株式会社 電力伝送中継装置
NO20170885A1 (no) * 2017-05-30 2018-12-03 Nina Gundersen Stasjonær drive-in-anordning for brannslukning i elektriske kjøretøys batterier
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GB2572752A (en) * 2018-04-03 2019-10-16 Teobi Engineering Associates Ltd Charging arrangements for electric vehicles

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