CN204659475U - Charge system, electrically driven vehicles and the battery-charging station for this vehicle - Google Patents

Charge system, electrically driven vehicles and the battery-charging station for this vehicle Download PDF

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Publication number
CN204659475U
CN204659475U CN201290001246.5U CN201290001246U CN204659475U CN 204659475 U CN204659475 U CN 204659475U CN 201290001246 U CN201290001246 U CN 201290001246U CN 204659475 U CN204659475 U CN 204659475U
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CN
China
Prior art keywords
cell winding
winding
secondary units
charging
vehicle
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Expired - Fee Related
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CN201290001246.5U
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Chinese (zh)
Inventor
莫妮卡·波博尔
理查德·罗斯科施
克劳斯·塞申贝格尔
汉斯·温斯彻
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Siemens AG
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Siemens AG
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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
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/52—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by DC-motors
    • 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
    • B60L53/122—Circuits or methods for driving the primary coil, e.g. supplying electric power to the coil
    • 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
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/36—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
    • 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
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or 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
    • 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
    • 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
    • B60L2200/00—Type of vehicles
    • B60L2200/40—Working 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
    • B60L2210/00—Converter types
    • B60L2210/30—AC to DC converters
    • 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
    • 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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model relates to a kind of for the ground of the electric storage means electric isolution for electrically driven vehicles charge system, electrically driven vehicles and the battery-charging station for this vehicle of charging.Charging should point out a solution, and how safety and the energy storage electric isolution ground reliably carried out as electrically driven vehicles (3) load.Charge system (1) is proposed, it has the primary unit at outside vehicle (7) with the primary winding for exporting electric energy, and with the secondary units in vehicle side (5) of the output primary be coupled with energy storage (2) for received energy.There is provided at least one cell winding with at least one cell winding (15) to arrange (13), cell winding is used for foreign matter (11) that detection is arranged in Energy Transfer region (10) between primary unit (7) and secondary units (5), that have conductive capability.Electronics assessment apparatus (14) detects foreign matter (11) according to the parameter of the inductance depending at least one cell winding (15).

Description

Charge system, electrically driven vehicles and the battery-charging station for this vehicle
Technical field
The utility model relates to a kind of charge system, for the electricity for electrically driven vehicles energy storage electric isolution charge, i.e. vehicle particularly electrically operated self-propelled vehicle, preferably personal car.Charge system comprises the primary unit at outside vehicle had with the primary winding for exporting electric energy, and with the secondary units in vehicle side of the output primary be coupled with energy storage for received energy.In addition, the utility model a kind of method of charging with relating to electrically driven vehicles, the battery-charging station for this vehicle and the energy storage electric isolution for the electricity for electrically driven vehicles.
Background technology
Electrically driven vehicles, particularly self-propelled vehicle have been existing technology.This vehicle comprises the electric drive motor-of electric driver-namely and this vehicle drives by electric driver.Particularly to supply electric driver from the electric energy of so-called " traction battery " in energy storage, namely.Special requirement for electrically driven vehicles are, energy storage is wanted promptly to be full of electricity completely especially.Therefore, in suitable economically design, current spendable electric storage means technology needs again to charge more frequently.In the charge system of routine, vehicle is parked near battery-charging station (" charging pile " or corresponding current interface) by user, and connects vehicle and battery-charging station by electric wire.Now, charged by cable in a usual manner.
More comfortable charge system is also known, and it achieves the ground of the electric isolution in other words delivery of electrical energy without cable.At this, vehicle so rests on such as surface units (primary unit), thus the primary winding be present in primary unit is positioned at the opposite of the output primary being arranged in vehicle bottom.Now, Energy Transfer is carried out by the alternating magnetic field between battery-charging station primary unit on the one hand and vehicle secondary units on the other hand.To relate between primary winding and output primary inductively at this.Therefore eliminate and by respective wire, vehicle is manually connected in battery-charging station.For this process of charging, user only needs determining, in region, vehicle parking also may be started process of charging on primary unit.
Current, point of interest is the more comfortable method that the latter describes, and it achieves loading without cable energy storage.When having installed corresponding primary unit or surface units, described comfortable charge system even can be implemented in multiple place to have carried out uncomplicatedly again charging to vehicle.Thus can the shortcoming of limited capacitance of certain limit ground compensation energy accumulator: such as at parking period, vehicle can charge always again.Therefore, corresponding primary unit is installed in public parking position, parking stall, roadside and similar place and also show important meaning.If but the so many parking stall of quantity and similar place are provided with corresponding primary unit, so have to overcome a new challenge: typically, can not close or monitor each parking stall.Because owing to there being the object of conductive capability to produce harm in the scope of alternating magnetic field, therefore this object must be identified by suitable method, and if may can not open or may Energy Transfer be cut off.The foreign matter having conductive capability in the scope of alternating magnetic field result in following risk, and namely this object having a conductive capability can heating, and can damage the power electronics devices of primary unit/secondary units in addition.
DE 20 2,009 009 693 U1 describes a kind of for from the fixed cell with primary inductance to the device with the vehicle induction electric energy transmitting of secondary inductance be positioned near it, and wherein fixed cell has for there is the device with the object of conductive capability in interior volume detection that is predetermined, that be contiguous to primary inductance.
WO 2012/136303 A2 of rear announcement also relates to a kind of system, and it is for contactlessly transferring energy to the vehicle comprising the secondary winding that can be inductively couple to armature winding from armature winding, this system has foreign matter recognition system.
Utility model content
The purpose of this utility model is, provides a solution, namely in the charge system of the described type of beginning, and how can especially effectively and safe in operation ground carries out the loading of energy storage.
According to the utility model, this object is realized by a kind of charge system, electrically driven vehicles, battery-charging station and method.
According to the utility model proposes a kind of charge system, for the electricity for electrically driven vehicles energy storage electric isolution charge, have:
-with the primary unit at outside vehicle of primary winding of the energy for exporting electricity, and
-with the secondary units in vehicle side of the output primary be coupled with described energy storage for receiving described energy,
-arrange with at least one cell winding of at least one cell winding, described cell winding for detecting in the Energy Transfer region between described primary unit and described secondary units, to have conductive capability foreign matter, and
-electronics assessment apparatus, described electronics assessment apparatus is designed for, and the parameter according to the inductance depending on cell winding described at least one detects the described foreign matter having conductive capability in described Energy Transfer region,
It is characterized in that, described cell winding arranges to have an active distance in vertical direction, and described active distance is less than the possible minimum spacing between described primary unit and described secondary units and is greater than the half of the possible maximum spacing between described primary unit and described secondary units.
According to the utility model proposes, a cell winding mentioned is arranged and is integrated in described primary unit.
According to the utility model proposes, a cell winding mentioned is arranged and is integrated in described secondary units.
According to the utility model proposes, described assessment apparatus is designed for, and before startup process of charging and/or during described process of charging, checks described Energy Transfer region whether to there is foreign matter
According to the utility model proposes, described assessment apparatus is designed for, and after identifying the foreign matter in described Energy Transfer region, output signal, based on described signal interruption process of charging or the described startup stoping process of charging.
According to the utility model proposes, described cell winding arranges the cell winding with multiple plane, and described cell winding is arranged in a total plane.
According to the utility model proposes, cell winding described at least one is configured to the printed conductor structure on flexible PCB.
According to the utility model proposes, corresponding cell winding is arranged both to be integrated in described primary unit and is also integrated in described secondary units, and the corresponding surveyed area that the described cell winding of both sides is arranged overlaps each other.
According to the utility model proposes, described cell winding arranges to be furnished with at least one tested coil, by described tested coil, particularly by tested coil described in short circuit, and the mode of operation of the regulation that described cell winding can be checked to arrange.
According to the utility model proposes, described assessment apparatus has the oscillator for providing oscillator signal, the frequency of described oscillator signal can change according to the described inductance of cell winding described at least one, wherein said assessment apparatus is designed for, described frequency according to the described oscillator signal as parameter confirms have the foreign matter of conductive capability to be arranged in or be not positioned at described Energy Transfer region.
Be configured to the energy storage electric isolution of the electricity for electrically driven vehicles according to charge system of the present utility model charge.Charge system comprises: the primary unit at outside vehicle with the primary winding for exporting electric energy, and the secondary units in vehicle side with the output primary be coupled with energy storage for received energy.According to the utility model, provide at least one cell winding with at least one cell winding to arrange, this cell winding is for detecting in the Energy Transfer region that is located between primary unit and secondary units, to have conductive capability foreign matter.In addition, charge system also comprises electronics assessment apparatus, and it is designed for, according to the foreign matter that have conductive capability of parameter detection in Energy Transfer region of the inductance and/or quality that depend at least one cell winding.
Propose, cell winding arranges to have effective spacing in vertical direction, and it is greater than the half of the possible maximum spacing between primary unit and secondary units.This means, arrange by cell winding, until be greater than in the spacing of the half of the possible maximum spacing between primary unit and secondary units, the foreign matter having conductive capability can be detected.Therefore achieve, all foreign matters be positioned near cell winding layout can be detected, the namely this foreign matter being arranged in important Energy Transfer region.
Propose, effective spacing in vertical direction that cell winding is arranged is less than the possible minimum spacing between primary unit and secondary units.Therefore can prevent again, the metal assembly of vehicle leads to errors detection, and therefore result in the less desirable interruption of process of charging.
Possible maximum or minimum spacing between primary unit and secondary units is interpreted as these especially on the one hand in the uncharged situation of self-propelled vehicle and the spacing drawn when self-propelled vehicle has maximum charge amount on the other hand.For for self-propelled vehicle, such as the battery-charging station of personal car, the maximum and minimum spacing between primary unit and secondary units can be determined when considering the corresponding height of all self-propelled vehiclees in existing on the market.If battery-charging station be designed for self-propelled vehicle-especially for personal car-, so can be arranged to, be used in possible maximum spacing in all possible car as maximum spacing.Correspondingly, possible minimum spacing in all possible personal car can be used in as minimum spacing.This based on, the height residing for the vehicle bottom in car is standardized, and is therefore arranged in predetermined value region.Achieve in this way, for all possible cars, corresponding surveyed area is overlapping, the detection and vehicle bottom himself does not lead to errors.If battery-charging station determine on the contrary the vehicle of another type-such as load-carrying vehicle or cleaning cart-, the determination of so minimum and maximum spacing can be carried out when considering corresponding vehicle.
Therefore the utility model object is, in order to be identified in the foreign matter having conductive capability in the intermediate space between the primary unit of side and the secondary units of opposite side, use and arrange with the cell winding of at least one cell winding, the existence of foreign matter can be detected by this cell winding in the mode of induction.At this, the utility model is based on following cognition, namely following problem is drawn by plan for multiple parking stall is equipped with the corresponding primary unit be used for for electric vehicle charging, namely each parking stall can not be monitored separately completely, and therefore each primary unit or each process of charging can not be monitored separately.In addition, the utility model is also based upon on the basis of following cognition, there is situation in that namely must monitor the foreign matter of conductive capability for the intermediate space between primary unit and secondary units, because this foreign matter may cause harm, such as, cause this foreign matter heating or cause infringement and the analogue at power electronics devices place.Cognition is in addition, by suitable this foreign matter of sensor identification, and as may must need not open or cut off completely and interrupt Energy Transfer.First manually handle and attempt by the continuous surveillance to parking stall or avoid harm by closeable box.Then control manually the object having conductive capability in the region being arranged in power field may be found once in a while.But this mode demonstrate with widespread use and nonexpondable charging method is contrary.The utility model and its achieve automatically or be automatically identified in the foreign matter having conductive capability in Energy Transfer region on the contrary, thus after identifying this foreign matter, process of charging may be interrupted or can not open the beginning of process of charging completely.Compared with the infrared detector proposed in professional domain, the utility model also has following advantage, substantially can cell winding be successfully used to arrange in all conditions expected, and the not too suitable practice of optical system, because it is pollution sensibility.Therefore, achieve according to charge system of the present utility model and independently, particularly also independently foreign matter is reliably detected with the pollution of primary unit/secondary units with dominance condition.Therefore, achieve on the whole run special safely and trustworthily energy storage is loaded especially.
Arrange about cell winding the embodiment that first proposition two is substantially different: on the one hand, it can be that the coil different from primary winding and output primary is arranged that cell winding is arranged.This means, at least one cell winding is the coil with primary winding and output primary separation structure.But can also propose on the other hand, cell winding is arranged and is comprised primary winding and/or output primary, or it is formed by primary winding and/or output primary.Therefore, the coil existed also can be used as the cell winding having the object of conductive capability be identified in power field region.Now, electronics assessment apparatus can such as inductively be coupled on primary winding and/or output primary.
About the layout at least one cell winding, also proposed different embodiments:
Propose in one embodiment, this cell winding with at least one cell winding is arranged and is integrated in the primary unit of outside vehicle.Therefore, the foreign matter having conductive capability can be detected.Compare output primary, it is closer to primary winding.In addition, this embodiment has advantage, namely therefore also can detect foreign matter when the energy storage for this vehicle loads, and the secondary units of vehicle does not have corresponding cell winding and arranges.
Complementarity or substituting can also propose, and this cell winding with at least one cell winding is arranged and is integrated in the secondary units of vehicle interior.Therefore can especially reliably detect the foreign matter having conductive capability again, this foreign matter on the direction of height of car in other words in vertical direction compared to primary winding closer to vehicle bottom.
Prove advantageously at this, corresponding cell winding arranges that namely respectively have at least one is integrated in the cell winding be also integrated in secondary units in primary unit.This has following advantage, namely detection can have the foreign matter of conductive capability in the whole altitude range between primary unit and secondary units, and can not be foreign matter by the metal piece detection of vehicle bottom self or the lower area that is arranged in vehicle mistakenly.Therefore the coil of both sides arranges to have following effective spacing in vertical direction, and it is overlapped, but this effective spacing is less than minimum spacing possible between primary unit and secondary units respectively.Therefore, whole altitude range between primary unit and secondary units is capped in vertical direction, and that therefore can check foreign matter exists situation, outside the surveyed area that the cell winding that wherein metal piece of vehicle is positioned at primary side is arranged, and therefore error detector can not be caused.
Propose in one embodiment, assessment unit is designed for, and before beginning process of charging and/or during process of charging, inspection Energy Transfer region exists the situation of foreign matter.The situation of foreign matter is there is in the Energy Transfer region constantly monitored in other words between primary unit and secondary units continuously especially by assessment apparatus.This monitoring preferably also just started before beginning process of charging, and preferably at least lasted till that process of charging terminates.Therefore, process of charging is ultra-safe.
In order to reach maximum degree of safety, signal can output in Energy Transfer region by assessment apparatus after identifying foreign matter, based on this signal interruption process of charging or prevent start process of charging.
The cell winding of the plane in other words that at least one cell winding described is preferably smooth.Particularly preferably, cell winding is arranged and is comprised the cell winding of multiple this plane, it is arranged in total plane-such as also on total circuit card-.
Therefore cell winding is arranged can relate to the floor plan with multiple coil, determine coil dimension as follows, namely by this coil can also until certain spacing (being preferably less than the minimum spacing between primary unit and secondary units) detect the object having conductive capability determining size.The profile smooth in other words of the plane that cell winding is arranged ensure in particular compact layout, and it can be integrated in such as primary unit and/or in secondary units without problems.Except the advantage about smooth and simple structure mentioned, the helical profile that cell winding is in the planes arranged also has functional advantage, namely particularly about the advantage of influence of magnetic field.
Preferably, at least one cell winding-particularly multiple cell winding-be configured to the printed conductor structure on flexible PCB.On flexible PCB, placement sensor coil is furnished with following advantage, namely the structure space that overall cell winding arrangement requirement is less, and therefore himself can be integrated in the secondary units of vehicle, provide in this secondary units known only have very little structure space for.
Flexible PCB can be placed in the housing of primary unit and/or secondary units in a straightforward manner.Achieved by the floor plan of independent coil and cover surveyed area equably.If the special object in housing is positioned near single coil, such as, fixedly screw part, the impact of so this special object can be considered by the geometric configuration that have modified in relevant coil.In the floor plan of coil, special object in the housing or on housing (system have by oneself have the object of conductive capability) is arranged near coil or at it, therefore can revise the geometric configuration of this coil as follows, namely self draw with the field distribution of performance identical or similar in remaining coil-particularly identical-.
As implemented, corresponding cell winding is arranged also can both be integrated in primary unit and also can be integrated in secondary units, namely as follows, the corresponding search coverage that the cell winding of both sides is arranged is overlapping in vertical direction, therefore, whole altitude range between primary unit and secondary units is capped in detection foreign matter, and in addition, prevents the error detector due to fixing vehicle part.
Above-mentioned spacing between primary unit and secondary units is substantially equal to the distance between the vehicle bottom of side and the ground of the battery-charging station of opposite side.That is, secondary units is assemblied in vehicle bottom or usually below self-propelled vehicle, and therefore himself also form the bottom of vehicle.
Therefore, when induction charging, namely arranged by corresponding coil system or corresponding cell winding, the object having conductive capability in the region of power field, namely in Energy Transfer region can be identified in.Avoid the mistake due to vehicle bottom or the metal parts in lower vehicle to differentiate in order to the Zone Full that can monitor between primary unit and secondary units, at present-as implemented-propose the cell winding set to arrange and be installed in these two unit.The surveyed area (maximum spacing namely between coil system and the foreign matter having conductive capability) of these two coil systems can come correspondingly to determine size as requested.At this, the active distance that each coil is arranged preferably about is greater than the half of the maximum spacing between primary unit and secondary units (when minimum charge volume), but it is less than the minimum spacing between primary unit and secondary units (when maximum charge amount) clearly.Therefore, when induction charging, whether the vehicle that monitoring has different charge volume has metallic foreign body with the vehicle type with bottom degree of freedom different from each other in Energy Transfer region, and more safely charges thus.
Therefore, according to charge state, the monitored area arranged of these two cell windings only slightly (uncharged) or continue some ground (the average or large charge volume of vehicle) and intersect.Therefore the design shown by being arranged by these two cell windings is guaranteed always: can at any time and to current Vehicular charging amount independently-and especially also with corresponding auto model independently-identify object that introduce, that have conductive capability, and the car body component in vehicle bottom or lower vehicle does not cause the false identification of system.
Propose in one embodiment, cell winding arranges to be furnished with at least one tested coil, can the mode of operation of regulation arranged of test sensors coil by this tested coil.This inspection is undertaken by short-circuit test coil especially.At least one tested coil is preferably arranged in top or the below of cell winding layout.If such as tested coil predetermined time point-especially by assessment apparatus arrange-short circuit, so short circuit should be determined by the parameter of assessment apparatus by inductance that is monitored, that depend at least one cell winding.Short circuit such as can be undertaken by relay, and wherein short circuiting contact makes the tested coil short circuit that relates to.This self test feasibility prevents extra hand operation, such as, utilize superpower coupling " to be suitable for " oscillator signal, to prevent the object having conductive capability identified in power field.
Preferably, assessment apparatus has the oscillator for providing oscillator signal, and its frequency can change according to the inductance of at least one cell winding described.Then, assessment apparatus can be designed for, and the frequency according to the oscillator signal as parameter is determined: have the foreign matter of conductive capability to be arranged in or be not positioned at Energy Transfer region.If cell winding is arranged comprise multiple cell winding, so each cell winding or select by multiple or even random group-such as circuit series-be connected on the oscillator of assessment apparatus of forming of all coils.This means, each cell winding can be attached troops to a unit in an independent oscillator, or the oscillator that the group be made up of cell winding alternatively can be shared with is coupled.Now, at least one cell winding can be used as the inductance of LC-pure oscillator, wherein can use by the known basiccircuit of pertinent literature as LC-oscillator.In addition, the inductance of at least one cell winding of frequency-depend on of the oscillator signal of oscillation frequency-namely of oscillator.The effective inductance of coil again by having the object of conductive capability to affect in its surrounding environment.That is, the magnetic field of coil by responding to the electric current caused in the foreign matter of conductive capability, and constitutes eddy current herein, and eddy current has again to the counteraction on the magnetic field of cell winding.Therefore, when there being the foreign matter of conductive capability to be present in Energy Transfer region, have also been changed the frequency of oscillator signal.Utilize modern microcontroller then can not need a lot of cost ground and with high precision to determine the actual frequency of oscillator signal.If the frequency variation now for just also allowing defines the number range determined, this object having conductive capability that identification is installed in Energy Transfer region of arranging so can be utilized.
Complementally or alternatively, other attributes of cell winding layout can also be defined as monitored parameter, the such as output amplitude of mass of coil and/or the electric current at least one cell winding and the phase shift between voltage and/or oscillator signal.
Layout about assessment apparatus also proposed different embodiments: particularly assessment apparatus be integrated into cell winding and arrange in the unit being also integrated in wherein-primary unit or secondary units-.If use two this cell windings to arrange, namely one in primary unit and one in secondary units, so can also use two electronics assessment apparatus be separated, namely assessment apparatus in primary unit and an assessment apparatus be separated in secondary units.
In addition, arrange as cell winding, assessment apparatus can be arranged on total circuit card, namely particularly on flexible PCB.But can also propose alternatively, assessment apparatus is arranged on the circuit card of separation, namely on another the circuit card different from the circuit card that cell winding is arranged.So assessment apparatus can by suitable interconnection technique-electricity ground or electric isolution ground-be coupled with at least one cell winding.Therefore, such as assessment apparatus can by field butt coupling at least one cell winding.Large conductive plane now such as on the one hand on flexible PCB and on the other hand on assessment unit can be opposite, thus it is capacitively coupled each other.Respect to one another, the coil be integrated in corresponding circuit card shows other feasibilities for being coupled, and wherein draws inductively at this.Substantially can consider all types of connections: electric capacity, induction and/or electromagnetism.
Vehicle is interpreted as self-propelled vehicle especially at this, is namely preferably personal car.But the utility model is not limited to personal car and also can be applied in other electrically driven vehicles type, such as, in the cleaner run in self-sufficiency, especially for company's building, luggage van, fork truck and analogue on airport.Difference is only, the energy storage of the electricity of vehicle is loaded by the voltage transformer comprising primary winding and output primary in the mode of induction.
In addition, the utility model relates to electrically driven vehicles, particularly self-propelled vehicle, and it has the energy storage for the electric driver and electricity driving vehicle, which provides the electric energy for actuating device.Vehicle also comprises the secondary units with output primary, and output primary is in order to can inductively be coupled with the primary winding of the primary unit at outside vehicle to energy storage charging.Provide in vehicle have at least one cell winding, be particularly integrated in cell winding in secondary units and arrange, cell winding is for detecting in the Energy Transfer region between primary unit and secondary units, to have conductive capability foreign matter.In addition, vehicle comprise a kind of, be such as also integrated in electronic evaluation unit in secondary units, it can according to the foreign matter that have conductive capability of parameter detection in Energy Transfer region of the inductance and/or quality that depend at least one cell winding.
According to the utility model proposes a kind of electrically driven vehicles, described vehicle has the electric driver for driving described vehicle, there is the energy storage of the electricity for providing electric energy for described actuating device, and the secondary units had with output primary, in order to give the charging of described energy storage, described output primary can with being inductively coupled at the primary winding of outside vehicle of primary unit; The cell winding had with at least one cell winding is arranged, described cell winding is for detecting in the Energy Transfer region between described primary unit and described secondary units, to have conductive capability described foreign matter; And there is electronics assessment apparatus, described electronics assessment apparatus is designed for, parameter according to the inductance depending on cell winding described at least one detects the foreign matter having conductive capability in described Energy Transfer region, it is characterized in that, described cell winding arranges to have an active distance in vertical direction, and described active distance is less than the possible minimum spacing between described primary unit and described secondary units and is greater than the half of the possible maximum spacing between described primary unit and described secondary units.
According to the utility model proposes, described cell winding is arranged and is integrated in described secondary units.
According to the utility model proposes a kind of battery-charging station for electrically driven vehicles, described battery-charging station is used for the energy storage electric isolution ground charging for the electricity of described vehicle, described battery-charging station has the primary unit containing primary winding, in order to give the charging of described energy storage, described primary winding inductively can be coupled with the output primary of the secondary units in vehicle side; The cell winding had with at least one cell winding is arranged, described cell winding is for detecting in the Energy Transfer region between described primary unit and described secondary units, to have conductive capability foreign matter; And there is electronics assessment apparatus, described electronics assessment apparatus is designed for, parameter according to the inductance depending on cell winding described at least one detects the described foreign matter having conductive capability in described Energy Transfer region, it is characterized in that, described cell winding arranges to have an active distance in vertical direction, and described active distance is less than the possible minimum spacing between described primary unit and described secondary units and is greater than the half of the possible maximum spacing between described primary unit and described secondary units.
According to the utility model proposes, described cell winding is arranged and is integrated in described primary unit.
Be configured to the energy storage electric isolution of the electricity for vehicle according to battery-charging station of the present utility model charging for electrically driven vehicles, and comprise the primary unit with primary winding, in order to charge to energy storage, primary winding inductively can be coupled with the output primary of the vehicle secondary units in vehicle side.Battery-charging station comprises the cell winding with at least one cell winding be particularly integrated in primary unit and arranges, cell winding is for detecting in the Energy Transfer region between primary unit and secondary units, to have conductive capability foreign matter.Battery-charging station also comprises the electronics assessment apparatus be particularly integrated in primary unit, and it is designed for, according to the foreign matter that have conductive capability of parameter detection in Energy Transfer region of the inductance and/or quality that depend at least one cell winding.
A kind of method is also had to belong to the utility model, it is for by utilizing the primary winding at outside vehicle of primary unit to export electric energy and by utilizing the output primary received energy in vehicle side be coupled with energy storage of the secondary units of vehicle, for the electricity of electrically driven vehicles energy storage electric isolution charge.For in the Energy Transfer region between primary unit and secondary units, the detection of the foreign matter that has conductive capability, utilize the cell winding with at least one cell winding to arrange to carry out, wherein depend on that the parameter of the inductance of at least one cell winding detects the foreign matter having conductive capability in Energy Transfer region by the electronics assessment apparatus be coupled with at least one cell winding, basis.
Be applicable to according to vehicle of the present utility model accordingly about the preferred implementation set by charge system of the present utility model and its advantage, be applicable to according to method of the present utility model and be applicable to according to battery-charging station of the present utility model.
Other features of the present utility model draw in being illustrated by claim, accompanying drawing and accompanying drawing.Before all the characteristic sum Feature Combination mentioned in explanation and below mention in the description of the drawings and/or the characteristic sum Feature Combination that illustrates separately in the accompanying drawings can not only apply with corresponding shown combination, and can apply with other combination or can apply alone.
Accompanying drawing explanation
Now according to preferred embodiment and also set forth the utility model in detail with reference to accompanying drawing.Emphasize at this, below illustrated embodiment illustrate only exemplary embodiment of the present utility model and therefore the utility model is not limited to this embodiment.
It illustrates:
Fig. 1 illustrates the charge system according to embodiment of the present utility model with schematic side view;
Fig. 2 to 4 illustrates the charge system according to Fig. 1 with schematic diagram, illustrated therein is the diverse location having the foreign matter of conductive capability in Energy Transfer region;
Fig. 5 to 7 is the systems according to Fig. 1, illustrated therein is the different spacing of different charge conditions between primary unit and secondary units based on self-propelled vehicle;
With schematic top plan view, Fig. 8 illustrates that cell winding is arranged; With
Fig. 9 is the block diagram arranging the electronics assessment apparatus be coupled with cell winding.
Detailed description of the invention
Charge for the energy storage 2 for electrically driven vehicles 3 with the charge system 1 shown in schematic diagram in FIG.Vehicle 3 is such as self-propelled vehicle, such as personal car.At this, for electric driver 4 supplies the electric energy from energy storage 2, electric driver is configured to drive vehicle 3.Therefore, actuating device 4 is driving motors, drives the wheel of vehicle 3 by driving motor.
Energy storage 2 is on-vehicle batteries, and they can also other assemblies in supply vehicle 3 except actuating device 4.For energy storage 2 charges without cable.For this purpose, energy storage 2 is electrically connected with the secondary units 5 of vehicle 3.This secondary units 5 is arranged in the bottom section of vehicle 3, such as bottom below or be integrated in vehicle bottom.The layout of the secondary units 5 in the front portion of vehicle 3 only exemplarily illustrates, secondary units 5 can also such as-in the zone line of longitudinal direction-the be arranged in vehicle 3 of vehicle 3 or also tail region.
Secondary units 5 such as can have housing, can lay the assembly belonging to secondary units 5 in the housing.Especially, output primary belongs to these assemblies, by output primary can for energy storage 2 transformation charge.This output primary is electrically connected with energy storage 2.This coil can be such as the coil of plane, and its winding is all arranged in a plane, and wherein this coil can be arranged on circuit boards.In an embodiment, secondary units 5 whole implementation is plane, thus it is obviously greater than extension in the vehicle height direction in the vehicle longitudinal direction with the extension on lateral direction of car.Other assembly also can be integrated in secondary units 5, such as rectifier and analogue.
Are battery-charging statioies 6 in the below of vehicle 3, it such as can be integrated in parking stall, in parking stall, roadside or may in parking site to other.Battery-charging station 6 comprises primary unit 7, and it lies on ground or ground 8 and/or is integrated in ground 8.That primary unit 7 also may be embodied as plane and extend in the horizontal direction.It comprises the primary winding be not shown specifically in the accompanying drawings, and it inductively can be coupled with the output primary mentioned of vehicle 3, and electric energy can be transferred to output primary from primary winding and therefore be transferred in energy storage 2 thus.Primary winding also can be the coil of smooth plane in other words, and it is arranged on circuit boards and its winding is all arranged in a plane.
In order to charge to energy storage 2, vehicle 3 is parked in battery-charging station 6, and namely as follows, secondary units 5 is arranged in the longitudinal overlap portion with primary unit 7, and the top of therefore primary unit 7.For this reason, can use by the known aligning gear of prior art and directed element.Then, the electronic control package 9 by battery-charging station 6 controls process of charging, and it only schematically illustrates in FIG.In order to charge to energy storage 2, manipulating primary winding as follows, namely between primary winding and the output primary in parallel therewith arranged, producing alternating magnetic field.Then, this magnetic field produces voltage by induction at output primary place, and stream has electric current in secondary circuit.Then, produce vdc by rectifier by this alternating-current voltage/AC voltage, utilize this vdc to charge to energy storage 2.
At this, magnetic field is in the zone line of primary winding on the one hand in other words between primary unit 7 and secondary units 5 on the other hand.This zone line is called Energy Transfer region 10 subsequently.Namely the transmission of electric energy is carried out in this region.
In addition, in FIG, be marked between primary unit 7 and secondary units 5 vertical direction with d on spacing.
Now interested is the foreign matter 11 that have conductive capability of detection in Energy Transfer region 10.Fig. 2 to 4 this charge system 1 is shown respectively or the enlarged drawing of front portion of vehicle 3 (not having wheel).In the example according to Fig. 2, the foreign matter of conductive capability is had to lie in primary unit 7.This foreign matter 11 means a kind of harm as follows, and namely when electric energy transmitting, foreign matter can heating and can damage the electronic building brick of charge system 1 in addition.When foreign matter is existing also have the spacing to secondary units 5 to primary unit 7 time, as shown in Figure 3, now this foreign matter 11 also has harm.At this, between foreign matter 11 and primary unit 7, additionally have the spacer 12 of conductive capability or not.When foreign matter 11 be located immediately at the secondary units 5 below vehicle 3 below or directly thereon time, the object of conductive capability that has now in the region of power field result also in harm.In the diagram this situation is exemplarily shown.Now between foreign matter 11 and secondary units 7, there is spacer 12 equally.
Now, in order to this foreign matter be made up of the material with conductive capability can be detected, the cell winding with affiliated electronic evaluation unit 14 (Fig. 9) arranges that 13 (Fig. 8) are integrated in unit 5 respectively, in a unit of 7 or be even both integrated in primary unit 7 and be yet integrated in secondary units 5.With reference now to Fig. 8, cell winding layout 13 can comprise the cell winding of multiple plane, and it is all arranged in a plane and is arranged on such as flexible PCB 16.Cell winding arranges that 13 because described herein a kind of coil array, and it is for identifying the metallic foreign body in Energy Transfer region 10.The cell winding being embodied as plane arranges that 13 are integrated in (primary unit 7 or secondary units 5) in corresponding unit as follows, and namely circuit card 16 extends in the horizontal direction and is therefore parallel to primary winding and output primary.Cell winding layout 13 such as can be arranged in below or the top of corresponding active coil.If possible, cell winding arranges that 13 even can be comprised primary winding and/or output primary or be formed by both.In addition, single cell winding 15 is connected with the interface 17 on circuit card 16, and these interface arrangement are in the contact pin 18 of circuit card 16.By these interfaces 17, cell winding 15 can be connected with electronics assessment apparatus 14.
Can propose now, for each cell winding 15 is equipped with this assessment apparatus 14 respectively.But can also propose, the subgroup of cell winding 15 or even all cell windings 15 are connected with total assessment apparatus 14, as shown in Figure 9.Summarize below describe for assessment of possible action principle: cell winding 15 is now used as the inductance of L-C pure oscillator 19, and it exports oscillator signal 20, and the frequency of this signal depends on the inductance of cell winding 15.In addition, the oscillation frequency of oscillator 19 depends on again the inductance of cell winding 15.This inductance again by Energy Transfer region 10 have the foreign matter 11 of conductive capability affect.Namely the magnetic field of cell winding 15 induces electric current in the foreign matter 11 having conductive capability, and constitutes eddy current at this, and this has again the counteraction in the magnetic field to cell winding 15.Therefore, when there is foreign matter 11 in Energy Transfer region 10, have also been changed the frequency of oscillator signal 20.Then, oscillator signal 20 is fed to threshold switch 21, and then it triggers microcontroller 22.If microcontroller 22 identifies, in Energy Transfer region 10, there is foreign matter 11, so microcontroller 22 output logic or digital signal 23.This signal 23 such as sends to the control setup 9 of charge system 1 and/or the corresponding control unit of vehicle 3, thus interrupts or do not start process of charging.
Arrange as follows and the corresponding cell winding constructing primary unit 7 and secondary units 5 arranges 13, namely it have detected a region altogether, and namely this region comprises whole Energy Transfer regions 10 or whole magnetic fields of primary winding.Therefore the foreign matter 11 of each position in Energy Transfer region 10 can be detected.With reference now to Fig. 5 to 7, set forth the corresponding surveyed area of the cell winding layout 13 of both sides in detail: as implemented, cell winding layout 13 is integrated in secondary units 5 and corresponding cell winding arranges that 13 are integrated in primary unit 7.The cell winding be integrated in secondary units 5 arranges that 13 have surveyed area 24 (the decline shade line in Fig. 5 to 7), and the cell winding be integrated in primary unit 7 arranges that 13 have corresponding surveyed area 25 (the rising shade line in Fig. 5 to 7) equally.Charge system 1 is constructed as follows, i.e. these two surveyed areas 24,25 possible maximum spacing d in vertical direction at this maxwhen, overlaps each other.This possible maximum spacing d between primary winding 7 and output primary 5 maxshown in Figure 5, and its appear at vehicle 3 charge volume minimum time.Contrary, the possible minimum spacing d between primary winding 7 and output primary 5 shown in Figure 7 min, wherein now the charge volume of vehicle 3 is maximum.Even at minimum spacing d mintime, the cell winding that primary unit 7 is positioned at vehicle side arranges that the active distance of 13 is in other words outside surveyed area 24.Secondary units 5 is also located at ground cell winding and arranges that the active distance of 13 is in other words outside surveyed area 25.In other words, arrange as follows and construct corresponding cell winding and arrange 13, namely its corresponding active distance is greater than maximum spacing d maxhalf, but be less than minimum spacing d min.Therefore achieve, cover complete Energy Transfer region 10 on the one hand, and the metal assembly of vehicle bottom can not be annotated mistakenly as foreign matter on the other hand.Namely these assemblies are located at outside the surveyed area of ground cell winding layout 13.
If battery-charging station 6 be designed for self-propelled vehicle-especially for personal car-, so can be set to, be used in possible maximum spacing in all possible personal car as maximum spacing d max.Correspondingly, possible minimum spacing in all possible personal car is used in as minimum spacing d min.This based on, the height residing for vehicle bottom is standardized and is therefore arranged in predetermined number range in personal car.Achieve by this method, in all possible personal car, corresponding surveyed area 24,25 is overlapping, the detection and vehicle bottom himself does not lead to errors.
If battery-charging station 6 be designed for the vehicle of other types-such as load-carrying vehicle or cleaning cart-, so minimum and maximum spacing d max, d mindetermination can when consider corresponding vehicle type carry out.
Spacing d1 shown in Figure 6, when it appears at the average charge amount of vehicle 3.
At least one tested coil (not shown in these figures) can also be integrated in primary unit 7 and/or in secondary units 5, at least one cell winding can be checked to arrange the mode of operation of the as prescribed of 13 by this tested coil.For this purpose, by least one tested coil of electric switch short circuit, can also have impact on the inductance of cell winding 15 thus at the time point preset, this should be determined by assessment apparatus 14.This self test feasibility prevents operation that is additional, that such as pass through the oscillator signal with superpower coupled external.

Claims (22)

1. a charge system (1), for energy storage (2) the electric isolution ground charging of the electricity for electrically driven vehicles (3), has:
-with the primary unit at outside vehicle (7) of primary winding of the energy for exporting electricity, and
-with the secondary units in vehicle side (5) of the output primary be coupled with described energy storage (2) for receiving described energy,
-arrange (13) with at least one cell winding of at least one cell winding (15), described cell winding is used for foreign matter (11) that detection is arranged in Energy Transfer region (10) between described primary unit (7) and described secondary units (5), that have conductive capability, and
-electronics assessment apparatus (14), described electronics assessment apparatus is designed for, parameter according to the inductance depending on cell winding described at least one (15) detects the described foreign matter (11) having conductive capability in described Energy Transfer region (10)
It is characterized in that, described cell winding arranges that (13) have an active distance in vertical direction, and described active distance is less than the possible minimum spacing (d between described primary unit (7) and described secondary units (5) min) and the possible maximum spacing (d be greater than between described primary unit (7) and described secondary units (5) max) half.
2. charge system according to claim 1 (1), is characterized in that, a cell winding mentioned arranges that (13) are integrated in described primary unit (7).
3. charge system (1) according to claim 1 or 2, is characterized in that, a cell winding mentioned arranges that (13) are integrated in described secondary units (5).
4. charge system according to claim 1 and 2 (1), it is characterized in that, described assessment apparatus (14) is designed for, before startup process of charging and/or during described process of charging, described Energy Transfer region (10) is checked whether to there is foreign matter (11).
5. charge system according to claim 3 (1), it is characterized in that, described assessment apparatus (14) is designed for, before startup process of charging and/or during described process of charging, described Energy Transfer region (10) is checked whether to there is foreign matter (11).
6. charge system according to claim 4 (1), it is characterized in that, described assessment apparatus (14) is designed for, after identifying the foreign matter (11) in described Energy Transfer region (10), output signal (23), based on described signal interruption process of charging or the described startup stoping process of charging.
7. charge system according to claim 5 (1), it is characterized in that, described assessment apparatus (14) is designed for, after identifying the foreign matter (11) in described Energy Transfer region (10), output signal (23), based on described signal interruption process of charging or the described startup stoping process of charging.
8. charge system according to claim 1 and 2 (1), it is characterized in that, described cell winding arranges that (13) have the cell winding (15) of multiple plane, and described cell winding is arranged in a total plane.
9. charge system according to claim 7 (1), it is characterized in that, described cell winding arranges that (13) have the cell winding (15) of multiple plane, and described cell winding is arranged in a total plane.
10. charge system according to claim 8 (1), is characterized in that, cell winding described at least one (15) is configured to the printed conductor structure on flexible PCB (16).
11. charge systems according to claim 9 (1), is characterized in that, cell winding described at least one (15) is configured to the printed conductor structure on flexible PCB (16).
12. charge systems according to claim 1 and 2 (1), it is characterized in that, corresponding cell winding is arranged that (13) be both integrated in described primary unit (7) and is also integrated in described secondary units (5), and the described cell winding of both sides arranges that the corresponding surveyed area (24,25) of (13) overlaps each other.
13. charge systems according to claim 11 (1), it is characterized in that, corresponding cell winding is arranged that (13) be both integrated in described primary unit (7) and is also integrated in described secondary units (5), and the described cell winding of both sides arranges that the corresponding surveyed area (24,25) of (13) overlaps each other.
14. charge systems according to claim 1 and 2 (1), it is characterized in that, described cell winding arranges that (13) are furnished with at least one tested coil, by described tested coil, particularly by tested coil described in short circuit, described cell winding can be checked to arrange the mode of operation of the regulation of (13).
15. charge systems according to claim 13 (1), it is characterized in that, described cell winding arranges that (13) are furnished with at least one tested coil, by described tested coil, particularly by tested coil described in short circuit, described cell winding can be checked to arrange the mode of operation of the regulation of (13).
16. charge systems according to claim 1 and 2 (1), it is characterized in that, described assessment apparatus (14) has the oscillator (19) for providing oscillator signal (20), the frequency of described oscillator signal can change according to the described inductance of cell winding described at least one (15), wherein said assessment apparatus (14) is designed for, described frequency according to the described oscillator signal (20) as parameter confirms, the foreign matter of conductive capability (11) is had to be arranged in or not to be positioned at described Energy Transfer region (10).
17. charge systems according to claim 15 (1), it is characterized in that, described assessment apparatus (14) has the oscillator (19) for providing oscillator signal (20), the frequency of described oscillator signal can change according to the described inductance of cell winding described at least one (15), wherein said assessment apparatus (14) is designed for, described frequency according to the described oscillator signal (20) as parameter confirms have the foreign matter of conductive capability (11) to be arranged in or not to be positioned at described Energy Transfer region (10).
18. 1 kinds of electrically driven vehicles (3), described vehicle has the electric driver (4) for driving described vehicle (3), there is the energy storage (2) for providing the electricity of electric energy for described actuating device (4), and the secondary units (5) had with output primary, in order to give described energy storage (2) charging, described output primary can with being inductively coupled at the primary winding of outside vehicle of primary unit (7); The cell winding had with at least one cell winding (15) arranges (13), and described cell winding is used for foreign matter (11) that detection is arranged in Energy Transfer region (10) between described primary unit (7) and described secondary units (5), that have conductive capability; And there is electronics assessment apparatus (14), described electronics assessment apparatus is designed for, parameter according to the inductance depending on cell winding described at least one (15) detects the described foreign matter (11) having conductive capability in described Energy Transfer region (10), it is characterized in that, described cell winding arranges that (13) have an active distance in vertical direction, and described active distance is less than the possible minimum spacing (d between described primary unit (7) and described secondary units (5) min) and the possible maximum spacing (d be greater than between described primary unit (7) and described secondary units (5) max) half.
19. electrically driven vehicles according to claim 18, is characterized in that, described electrically driven vehicles is self-propelled vehicle.
20. electrically driven vehicles according to claim 18, is characterized in that, described cell winding is arranged and is integrated in described secondary units (5).
21. 1 kinds of battery-charging statioies for electrically driven vehicles (3) (6), described battery-charging station is used for energy storage (2) the electric isolution ground charging for the electricity of described vehicle (3), described battery-charging station has the primary unit (7) containing primary winding, in order to give described energy storage (2) charging, described primary winding inductively can be coupled with the output primary of the secondary units (5) in vehicle side; Have
Cell winding with at least one cell winding (15) arranges (13), and described cell winding is used for foreign matter (11) that detection is arranged in Energy Transfer region (10) between described primary unit (7) and described secondary units (5), that have conductive capability; And there is electronics assessment apparatus (14), described electronics assessment apparatus is designed for, parameter according to the inductance depending on cell winding described at least one (15) detects the described foreign matter (11) having conductive capability in described Energy Transfer region (10), it is characterized in that, described cell winding arranges that (13) have an active distance in vertical direction, and described active distance is less than the possible minimum spacing (d between described primary unit (7) and described secondary units (5) min) and the possible maximum spacing (d be greater than between described primary unit (7) and described secondary units (5) max) half.
22. battery-charging statioies according to claim 21, is characterized in that, described cell winding is arranged and is integrated in described primary unit (7).
CN201290001246.5U 2012-02-29 2012-02-29 Charge system, electrically driven vehicles and the battery-charging station for this vehicle Expired - Fee Related CN204659475U (en)

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