WO2014050778A1 - 車両および移動体システム - Google Patents
車両および移動体システム Download PDFInfo
- Publication number
- WO2014050778A1 WO2014050778A1 PCT/JP2013/075612 JP2013075612W WO2014050778A1 WO 2014050778 A1 WO2014050778 A1 WO 2014050778A1 JP 2013075612 W JP2013075612 W JP 2013075612W WO 2014050778 A1 WO2014050778 A1 WO 2014050778A1
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- WIPO (PCT)
- Prior art keywords
- vehicle
- information
- power
- unit
- power feeding
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
-
- 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
- B60L53/126—Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
-
- 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
-
- 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
- B60L53/37—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles using optical position determination, e.g. using cameras
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
- H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
-
- 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
- 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]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- 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 present invention relates to a vehicle and a moving body system.
- Non-contact power supply technology that supplies power in a contactless manner without using a power cord is drawing attention.
- Current wireless power transfer technologies are (A) a type that uses electromagnetic induction (for short distance), (B) a type that uses radio waves (for long distance), and (C) a type that uses magnetic field resonance (medium distance). Can be roughly divided into three types.
- the type (C) using the resonance phenomenon is a relatively new technology and can realize high power transmission efficiency even at a middle distance of about several meters.
- a receiving coil is embedded in the vehicle bottom of an electric vehicle, A proposal to send electric power in a non-contact manner from a feeding coil is also being studied.
- a power receiving electromagnetic coil (power receiving coil) attached to a vehicle and a power transmitting electromagnetic coil (feeding coil) installed in the car stop with the vehicle tire in contact with the car stop.
- a vehicle charging device that can be electromagnetically coupled.
- the vehicle charging device disclosed in Patent Document 1 needs to determine the position of the power receiving coil with respect to the vehicle stop.
- the wheel diameter and the shape of the car stop are determined for each vehicle or parking facility, respectively, and the position of the power receiving coil changes greatly according to changes in the wheel diameter or the shape of the car stop, and is mounted on the vehicle.
- the position of the receiving coil could not be determined.
- the position of the power receiving coil mounted on the vehicle is limited, and the degree of freedom in vehicle design is reduced.
- the present invention has been made in view of such circumstances, and can easily align the position of the power receiving unit mounted on the vehicle with the power feeding unit and the power receiving unit, It aims at providing the system which raised electric power transmission efficiency.
- a vehicle includes a power reception unit that receives power from a power supply unit, the vehicle including a vehicle information unit having information on a positional relationship between an axle and a power reception unit, and the axle and the power reception unit. Based on the positional relationship information, the power feeding unit can be moved to a position facing the power receiving unit.
- the position of the power receiving unit is specified based on the axle even if the wheel diameter or the shape of the car stop changes. Therefore, the position of the power receiving unit mounted on the vehicle can be easily determined. Therefore, the power feeding unit can be moved to a position facing the power receiving unit.
- a system according to the present invention is a mobile system including a power feeding device having a power feeding unit, a parking facility having a car stop, and the vehicle moving in the parking facility, wherein the car stop includes an axle and a power receiving unit.
- the information receiving unit for receiving the positional information of the vehicle, the vehicle stop or the power feeding device has parking lot information, and when the vehicle parks at a predetermined position in the parking facility, the parking lot information and the axle Based on the positional relationship information with the power reception unit, the power supply unit is moved to a position facing the power reception unit.
- the vehicle stop receives information on the positional relationship between the axle of the vehicle and the power receiving unit, and the power feeding device is positioned opposite the power receiving unit based on the parking lot information and the information on the positional relationship between the axle and the power receiving unit.
- the power feeding unit is moved. That is, the car stop has position information of the power receiving unit mounted on the vehicle, and based on this information, the power feeding unit can be moved to a position facing the power receiving unit. For this reason, alignment with a power feeding part and a power receiving part can be performed easily, and electric power transmission efficiency can be improved.
- a system according to the present invention is a mobile system including a power feeding device having a power feeding unit, a parking facility having a car stop, and the vehicle moving in the parking facility, wherein the power feeding device includes an axle and a power receiving unit. And the vehicle stop or power feeding device has parking lot information, and when the vehicle is parked at a predetermined position in the parking facility, the power feeding device has the parking lot information and the axle. Based on the information on the positional relationship between the power receiving unit and the power receiving unit, the power feeding unit is moved to a position facing the power receiving unit.
- the power feeding unit receives information on the positional relationship between the vehicle axle and the power receiving unit, and the power feeding device faces the power receiving unit based on the parking lot information and the information on the positional relationship between the axle and the power receiving unit.
- the power feeding unit is moved to the position. That is, the power feeding unit has position information of the power receiving unit mounted on the vehicle, and based on this information, the power feeding unit can be moved to a position facing the power receiving unit. For this reason, alignment with a power feeding part and a power receiving part can be performed easily, and electric power transmission efficiency can be improved.
- the power feeding unit moves from the opposite side of the vehicle parking space toward the vehicle parking space.
- the power feeding unit can be protected when the vehicle enters the parking space in the parking facility or during the parking operation.
- the parking facility further includes a standby position sensor and a reference position sensor, the standby position sensor senses a standby position of the power feeding unit on the opposite side of the parking space of the vehicle, and the reference position sensor The reference position of the power feeding unit is sensed on the side closer to the parking space of the vehicle relative to the sensing point of the standby position.
- the power feeding unit can be moved or arranged at an appropriate position depending on the situation, such as when the vehicle is not in the parking space in the parking facility, when the vehicle enters the parking space in the parking facility, or when the vehicle is parked in the parking space in the parking facility.
- the power feeding unit has a self-running function.
- the apparatus size of the power feeding unit can be reduced.
- the accuracy of alignment between the power feeding unit and the power receiving unit can be further improved.
- the power receiving unit further includes a detection mark
- the power feeding unit includes a detection sensor
- the power feeding device stops the power feeding unit at a position where the detection mark is detected by the detection sensor. In this case, it is possible to finely adjust the alignment between the power feeding unit and the power receiving unit, so that the power transmission efficiency can be further improved.
- the vehicle further has a direction mark on the front bottom portion of the vehicle body or the bottom bottom portion of the vehicle body
- the power feeding unit has a direction detection sensor
- the direction detection sensor sends a direction signal indicating whether or not the direction mark is detected to the information receiving unit. send.
- the parking direction of the vehicle in the parking facility is not limited.
- the power feeding unit moves based on the information on the parking direction of the vehicle, the power feeding unit and the power receiving unit can be reliably aligned.
- a system includes a power supply device having a power supply unit, a parking facility having a car stop, and a vehicle that includes a power reception unit that receives power from the power supply unit and moves in the parking facility.
- the vehicle stop or power supply device has parking lot information
- the power supply device has a collation result between information on the positional relationship between the axle of the vehicle and the power receiving unit and information for specifying the vehicle, and parking. Based on the parking lot information, the power feeding unit is moved to a position facing the power receiving unit.
- the power feeding device is positioned at the position facing the power receiving unit based on the collation result between the information on the positional relationship between the vehicle axle and the power receiving unit and the information for specifying the vehicle, and the parking lot information.
- the power feeding unit is moved. For this reason, alignment with a power feeding part and a power receiving part can be performed easily, and electric power transmission efficiency can be improved.
- the position of the power receiving coil mounted on the vehicle can be easily determined. Moreover, according to the system which concerns on this invention, position alignment with a power feeding part and a power receiving part can be performed easily, and electric power transmission efficiency can be improved.
- 1 is a schematic cross-sectional view showing a configuration of a vehicle according to an embodiment of the first invention.
- 1 is a schematic top view showing a configuration of a vehicle according to an embodiment of the first invention.
- It is a schematic cross section which shows the structure of the system which concerns on 1st Embodiment of 2nd invention.
- It is a model top view of the system which shows the state where the vehicle is not parked in the parking space.
- It is a model top view of the system which shows the state in which the vehicle has approached the parking space.
- It is a model top view of the system which shows the state which is performing electric power feeding operation
- FIG. 1 is a schematic cross-sectional view showing a configuration of a vehicle A1 according to an embodiment of the first invention.
- FIG. 2 is a schematic top view showing the configuration of the vehicle A1 according to the embodiment of the first invention.
- the vehicle A ⁇ b> 1 includes a vehicle body 10, a tire 11, a load 12, a battery 13, a rectifier 14, a power reception unit 15, and a vehicle information unit 16.
- examples of the vehicle A1 include an electric vehicle, a hybrid vehicle, and a traveling vehicle that conveys articles in a factory.
- the vehicle body 10 includes a seat space (not shown) where a driver and / or a passenger sit, and a space where a load 12, a battery 13, a rectifier 14, a power receiving unit 15, a vehicle information unit 16, and the like are arranged.
- the tire 11 includes left and right front wheels 18 a and 18 b suspended at the front lower part of the vehicle body 10 and left and right rear wheels 19 a and 19 b suspended at the rear lower part of the vehicle body 10.
- the left and right front wheels 18a, 18b are rotatably supported by a front wheel shaft 18c that passes through the approximate center of the wheel.
- the left and right rear wheels 19a, 19b are rotatably supported by a rear wheel shaft 19c penetrating the substantial center of the wheel.
- the load 12 includes an electric motor and a drive circuit.
- the load 12 is connected to the battery 13 and generates driving force of the vehicle A1 with electric power supplied from the battery 13.
- all the tires 11 are driven by one electric motor, but the present invention can also be applied to a so-called in-wheel motor in which an electric motor is built in each tire 11.
- the battery 13 is a rechargeable secondary battery, and examples thereof include a lithium ion battery and a nickel metal hydride battery.
- the battery 13 is connected to the power receiving unit 15 via the rectifier 14 and is supplied with electric power transmitted from the power supply facility outside the vehicle A1.
- the rectifier 14 rectifies AC power generated in the power receiving unit 15 and outputs DC power.
- Examples of the rectifier 14 include semiconductor elements such as transistors and diodes.
- the power receiving unit 15 is disposed at the bottom of the vehicle body 10.
- the power receiving unit 15 includes a power receiving coil 15a, and has a function of receiving power transmitted from a power supply facility described later using the power receiving coil 15a.
- the power receiving unit 15 is packaged by an insulating housing.
- the power reception unit 15 is disposed at the bottom of the vehicle body 10, but is not particularly limited as long as it is disposed outside the seat space of the vehicle A ⁇ b> 1. Or you may arrange
- the vehicle information unit 16 has information on the positional relationship between the axle R of the vehicle A1 and the power receiving unit 15.
- the vehicle information unit 16 is disposed at the rear of the vehicle body 10, but may be disposed at the front of the vehicle body 10, and is disposed at two locations, the front of the vehicle body 10 and the rear of the vehicle body 10. It may be.
- the vehicle information unit 16 is not particularly limited as long as information can be recorded, and examples thereof include an RF-ID (Radio Frequency IDentification) tag, a barcode, and a hard disk.
- the vehicle information unit 16 has a function of transmitting the information it has to the outside.
- the axle R means the center of rotation of the wheel
- the front wheels 18a and 18b and the rear wheels 19a and 19b have axles R1 to R4, respectively.
- the distance in the direction parallel to the traveling direction of the vehicle A1 from the center Z1 of the straight line connecting the axle R1 of the front wheel 18a and the axle R2 of the front wheel 18b to the center M of the power receiving unit 15 is X1
- the distance in the direction orthogonal to the traveling direction of A1 is Y1.
- the distance in the direction parallel to the traveling direction of the vehicle A1 from the center Z2 of the straight line connecting the axle R3 of the rear wheel 19a and the axle R4 of the rear wheel 19b to the center M of the power receiving unit 15 is X2, and the traveling of the vehicle A1 The distance in the direction orthogonal to the direction is Y2.
- the vehicle information unit 16 has information on these X1, X2, Y1, and Y2 as information on the positional relationship between the axle R and the power receiving unit 15.
- the vehicle information unit 16 stores information on X1, X2, Y1, and Y2. However, only the information on X1 and Y1 may be stored, and the center M of the power receiving unit 15 is If it exists in the vicinity of the x-axis described later, only the information of X1 may be accumulated.
- the straight line connecting the axle R3 of the rear wheel 19a and the axle R4 of the rear wheel 19b and the perpendicular bisector of the straight line are the y-axis and the x-axis, respectively, Z2 shown in FIG. This is the origin of the xy plane composed of the axis and the x axis.
- the center M of the power receiving unit 15 is located at X2 in the x-axis direction and Y2 in the y-axis direction with respect to Z2. That is, the “information on the positional relationship between the axle R and the power receiving unit 15” in the present invention means the positional information of the power receiving unit 15 in the coordinate system with reference to the axle. That is, by using information on the positional relationship between the axle R and the power receiving unit 15, the power feeding unit can be moved to a position facing the power receiving unit 15.
- the vehicle information unit 16 has information on the positional relationship between the axle R and the power receiving unit 15, that is, information on X1, X2, Y1, and Y2. For this reason, even if the diameter of the wheel or the shape of the vehicle stop changes, the position of the power receiving unit 15 is specified based on the axle R, so that the position of the power receiving unit 15 mounted on the vehicle A1 can be easily determined. it can. Therefore, since the power feeding unit can be moved to a position facing the power receiving unit, when the non-contact power feeding technology for transmitting power from the power feeding device in a contactless manner is applied to the vehicle A1 according to the present embodiment, Transmission efficiency can be increased.
- FIG. 3 is a schematic cross-sectional view showing the configuration of the system B1 according to the first embodiment of the second invention.
- System B1 includes a vehicle A1 and a parking facility 100. Since the configuration of the vehicle A1 is the same as that of the first embodiment, the description thereof is omitted.
- the parking facility 100 includes a parking space 101, a car stop 102, and a power feeding device 103.
- the vehicle A1 is parked in the parking space 101.
- the parking space 101 is an area that divides a range where the vehicle A1 can be parked.
- the vehicle A ⁇ b> 1 moves horizontally from outside the parking space 101 area and enters the parking space 101 area.
- the car stop 102 is disposed in the parking space 101 so as to extend along the direction intersecting the traveling direction of the vehicle A1. In other words, it is arranged so as to extend along the width direction of the vehicle A1.
- the car stop 102 has a function for regulating the position of the wheel of the vehicle A1.
- the cross-sectional shape of the car stopper 102 has a substantially square shape, but may be a substantially trapezoidal shape, a substantially semicircular shape, or a substantially semielliptical shape.
- the car stopper 102 has a convex shape protruding from the ground surface of the parking space 101, but may have a concave shape like a groove in which the tire 11 of the vehicle A1 is accommodated.
- the vehicle stop 102 may be configured by a single vehicle stop 102, in which the vehicle stop 102 that restricts the position of the left tire 11 of the vehicle A1 and the vehicle stop 102 that restricts the position of the right tire 11 may be integrally formed. It may be.
- the vehicle stop 102 includes an information receiving unit 104 that receives information on the positional relationship between the axle R of the vehicle information unit 16 and the power receiving unit 15.
- the car stop 102 has parking lot information.
- the parking lot information includes information on the positional relationship between the vehicle stop 102 and the axle R, which is derived using vehicle stop information such as the height H of the vehicle stop 102 and the shape of the vehicle stop 102, and the positional relationship between the vehicle stop 102 and a power supply unit 105 described later.
- the vehicle stop 102 has a function of transmitting the information on the positional relationship between the axle R and the power receiving unit 15 received by the information receiving unit 104 and the parking lot information to the control unit 107 of the power supply apparatus 103 described later.
- the car stop 102 has parking lot information, but a power feeding device 103 to be described later may have parking lot information.
- the power supply apparatus 103 includes a power supply unit 105 and a power supply control unit 106 arranged in the ground space of the parking facility 100.
- the power feeding unit 105 includes a power feeding coil 105 a, and the power supplied from the power feeding control unit 106 is transmitted to the power receiving unit 15 using the power feeding coil 105 a.
- the power supply unit 105 is packaged by an insulating housing. Note that the power supply coil 105a constituting the power supply unit 105 may be singular or plural.
- the height of the power feeding unit 105 is preferably set lower than the height H of the car stop 102. In this case, contact between the power feeding unit 105 and the vehicle A1 can be prevented, and the degree of freedom in vehicle design of the vehicle A1 is increased.
- the power feeding unit 105 has a function of moving in the parking facility 100.
- Four traveling wheels 105b are provided at the bottom of the power feeding unit 105 as moving means, and have a function of moving from the opposite side of the parking space 101 toward the parking space 101 side in a direction parallel to the traveling direction of the vehicle A1. is doing.
- the power feeding unit 105 also has a function of moving in a direction orthogonal to the traveling direction of the vehicle A1.
- the power supply control unit 106 includes a power supply VG and a control unit 107.
- the power supply VG supplies AC power to the power supply unit 105.
- the control unit 107 sets the power feeding unit 105 to face the power receiving unit 15. Move. Specifically, when the vehicle A1 parks the left and right front wheels 18a and 18b in contact with or close to the vehicle stop 102, that is, parks forward in the parking space, the control unit 107 positions the vehicle stop 102 and the power supply unit 105.
- the power feeding unit 105 is moved by a distance X1 in a direction parallel to the traveling direction of the vehicle A1, and the distance Y1 is moved in a direction orthogonal to the traveling direction of the vehicle A1, with reference to the position of the axle R with respect to the vehicle stop 102.
- the control unit 107 determines the positional relationship between the vehicle stop 102 and the power supply unit 105.
- the power feeding unit 105 is moved a distance X2 in a direction parallel to the traveling direction of the vehicle A1, and the distance Y2 is moved in a direction orthogonal to the traveling direction of the vehicle A1. As a result, the power feeding unit 105 moves to a position facing the power receiving unit 15.
- the car stop 102 receives information on the positional relationship between the axle R of the vehicle A1 and the power receiving unit 15, and the power feeding device 103 receives the parking lot information, the axle R, the power receiving unit 15, and the like. Based on the positional relationship information, the power feeding unit 105 is moved to a position facing the power receiving unit 15. That is, the car stop 102 has parking lot information and position information of the power receiving unit 15 mounted on the vehicle A1, and the power feeding device 103 moves the power feeding unit 105 to a position facing the power receiving unit 15 based on the information. Can be made. For this reason, alignment with the electric power feeding part 105 and the power receiving part 15 can be performed easily, and electric power transmission efficiency can be improved.
- the system B1 has a function in which the power feeding unit 105 moves from the opposite side of the parking space 101 of the vehicle A1 toward the parking space 101 of the vehicle A1. For this reason, when the vehicle A1 enters the parking space 101 in the parking facility or during the parking operation, the power feeding unit 105 can be protected.
- FIG. 4A is a schematic top view of the system B1 showing a state where the vehicle A1 is not parked in the parking space 101.
- FIG. 4B is a schematic top view of the system B1 showing a state where the vehicle A1 enters the parking space 101.
- FIG. 4 c is a schematic top view of the system B ⁇ b> 1 showing a state where the vehicle A ⁇ b> 1 is parked in the parking space 101.
- FIG. 4 d is a schematic top view of the system B ⁇ b> 1 showing a state where a power feeding operation is performed on the vehicle A ⁇ b> 1 parked in the parking space 101.
- the power feeding unit 105 is located on the opposite side of the parking space 101, that is, in the standby position.
- the power feeding unit 105 is controlled so as to be still in the standby position.
- the vehicle A1 in order to park the vehicle A1 so that the left and right front wheels 18a and 18b or the left and right rear wheels 19a and 19b are in contact with or close to the vehicle stop 102 in the parking space 101, the vehicle A1 is turned back and forth several times in the parking space 101. There is. Even in such a case, if the power feeding unit 105 is located at the standby position, it is possible to prevent the power feeding unit 105 from being destroyed by the vehicle A1.
- the power feeding unit 105 starts moving from the standby position.
- the power feeding control unit 106 moves the power feeding unit 105 to a position facing the power receiving unit 15 of the vehicle A1 based on the parking lot information and the information received by the information receiving unit 104.
- any method can be applied to the start timing of the power feeding operation.
- a driver or a passenger may directly instruct the power feeding device 103 to start a power feeding operation.
- a tire detection sensor (not shown) is provided in the car stop 102, and the tire detection sensor detects the contact or proximity of the tire 11 to the car stop 102.
- a signal instructing the start of the power feeding operation may be transmitted from the sensor to the power feeding apparatus 103. Furthermore, a vehicle detection sensor (not shown) that detects whether the vehicle A1 is parked is provided in the parking space 101, and when the vehicle detection sensor recognizes that the vehicle A1 is parked in the parking space 101, power is supplied from the vehicle detection sensor. A signal instructing the apparatus 103 to start a power feeding operation may be transmitted. When the tire detection sensor is used, the approach information of the contact or proximity of the tire 11 to the car stop 102 may be used to derive information on the positional relationship between the car stop 102 and the axle R.
- the power supplied from the power feeding control unit 106 starts to be transmitted to the power receiving unit 15 of the vehicle A1 by the power feeding unit 105, as shown in FIG. Then, the power received by the power receiving unit 15 of the vehicle A1 is supplied to the battery 13, and charging of the battery 13 is started.
- FIG. 5a is a schematic cross-sectional view showing a configuration of a system B2 according to the second embodiment of the second invention.
- FIG. 5b is a schematic enlarged cross-sectional view of the parking facility 200 of FIG. 5a.
- the system B2 according to the second embodiment of the second invention is different from the system B1 according to the first embodiment of the second invention in the configuration of the parking facility. The following description will focus on differences from the first embodiment of the second invention.
- System B2 includes a vehicle A1 and a parking facility 200. Since the configuration of the vehicle A1 is the same as that of the first embodiment, the description thereof is omitted.
- the parking facility 200 includes a parking space 101, a car stop 202, and a power feeding device 203, like the parking facility 100 according to the first embodiment of the second invention.
- the power supply device 203 includes a power supply unit 205 and a power supply control unit 206 that are arranged in the ground space of the parking facility 200.
- the power supply unit 205 includes a power supply coil 205 a and has a function of moving in the parking facility 200.
- Four traveling wheels 205b are provided at the bottom of the power feeding unit 205 as moving means, and have a function of moving from the opposite side of the parking space 101 toward the parking space 101 side in a direction parallel to the traveling direction of the vehicle A1. is doing.
- the power feeding unit 205 also has a function of moving in a direction orthogonal to the traveling direction of the vehicle A1.
- this embodiment is different from the first embodiment of the second invention in that the power feeding unit 205 includes the information receiving unit 204 and the power feeding unit 205 has parking lot information.
- the information receiving unit 204 has a function of receiving information from the vehicle information unit 16. That is, a distance in a direction parallel to the traveling direction of the vehicle A1 from the center Z1 of the straight line connecting the axle R1 of the front wheel 18a and the axle R2 of the front wheel 18b to the center M of the power receiving unit 15 from the vehicle information unit 16 is defined as X1.
- Information in which the distance in the direction parallel to the direction is X2 and the distance in the direction orthogonal to the traveling direction of the vehicle A1 is Y2 can be received.
- the power feeding unit 205 includes the information receiving unit 204, but the power feeding control unit 206 may include the information receiving unit 204.
- the parking lot information that the power feeding unit 205 has is the vehicle stop 202 and axle R that are derived using the vehicle stop 202 information such as the height H of the vehicle stop 202 and the shape of the vehicle stop 202. Information on the positional relationship between the vehicle stop 202 and the power feeding unit 205.
- the vehicle stop 202 may have parking lot information. In this case, the parking lot information is transmitted from the car stop 202 to the power feeding device 203.
- the power feeding unit 205 receives information on the positional relationship between the axle R of the vehicle A1 and the power receiving unit 15, and the power feeding device 203 receives the parking lot information, the axle R, and the power receiving unit 15.
- the power feeding unit 205 is moved to a position facing the power receiving unit 15 based on the positional relationship information. That is, the power feeding unit 205 has position information of the power receiving unit 15 mounted on the vehicle A1, and based on this information, the power feeding unit 203 can be moved to a position facing the power receiving unit 15. . For this reason, alignment with the electric power feeding part 205 and the electric power receiving part 15 can be performed easily, and electric power transmission efficiency can be improved.
- the system B2 has a function in which the power feeding unit 205 moves from the opposite side of the parking space 101 of the vehicle A1 toward the parking space 101 side of the vehicle A1. For this reason, when the vehicle A1 enters the parking space 101 in the parking facility or during the parking operation, the power feeding unit 205 can be protected.
- FIG. 6a is a schematic cross-sectional view showing a configuration of a system B3 according to the third embodiment of the second invention.
- FIG. 6b is a schematic top enlarged view of the parking facility 300 of FIG. 6a.
- the system B3 according to the third embodiment of the second invention is different from the system B1 according to the first embodiment of the second invention in the configuration of the parking facility. The following description will focus on differences from the first embodiment of the second invention.
- System B3 includes a vehicle A1 and a parking facility 300. Since the configuration of the vehicle A1 is the same as that of the first embodiment, the description thereof is omitted.
- the parking facility 300 includes a parking space 101, a car stop 302, and a power feeding device 303, like the parking facility 100 according to the first embodiment of the second invention.
- the power feeding device 303 includes a power feeding unit 305 disposed in the ground space of the parking facility 300 and a power feeding control unit 306.
- the power supply unit 305 includes a power supply coil 305 a and has a function of moving in the parking facility 300.
- Four traveling wheels 305b are provided at the bottom of the power feeding unit 305 as moving means, and have a function of moving from the opposite side of the parking space 101 toward the parking space 101 side in a direction parallel to the traveling direction of the vehicle A1. is doing.
- the power feeding unit 305 also has a function of moving in a direction orthogonal to the traveling direction of the vehicle A1.
- the car stop 302 includes car stop main bodies 302a and 302a and movement guide portions 302b and 302b, and the car stop main bodies 302a and 302a of the parking facility 300 are used as reference position sensors.
- the movement guide portions 302b and 302b of the parking facility 300 are further provided with a standby position sensor 309, and the power feeding unit 305 of the power feeding device 303 of the parking facility 300 is further provided with a position sensor 310, the first embodiment of the second invention. Is different.
- the car stopper main bodies 302a and 302a are disposed at a predetermined distance along the direction intersecting the traveling direction of the vehicle A1.
- the separation distance between the vehicle stopper main bodies 302a and 302a is smaller than the separation distance between the left and right front wheels 18a and 18b of the vehicle A1 and the separation distance between the left and right rear wheels 19a and 19b of the vehicle A1. It is set to be larger than the width in the direction intersecting the traveling direction.
- the car stopper main bodies 302a and 302a have a function for restricting the position of the wheels of the vehicle A1.
- a reference position sensor 308 is provided on either one of the car stopper main bodies 302a and 302a.
- the reference position sensor 308 converts the change of the detection medium emitted to the position sensor 310 into an electric signal, and the electric power supply unit 305 starts moving to a position where the electric power supply unit 305 faces the power receiving unit 15 from the electric signal. Sensing the reference position.
- Examples of the reference position sensor 308 include sensors using ultrasonic waves and infrared rays, proximity sensors, and optical sensors.
- the movement guide portions 302b and 302b are disposed on the opposite side of the parking space 101 and extend along the traveling direction of the vehicle A1.
- the power feeding unit 305 is disposed along the direction of moving from the opposite side of the parking space 101 toward the parking space 101 side.
- the movement guide portions 302b and 302b are connected to the end portions of the car stopper main bodies 302b and 302b on the side where the car stopper main bodies 302a and 302a face each other, but are in contact with the car stopper main bodies 302a and 302a. If so, it may be fixed on the parking facility 300.
- a standby position sensor 309 is provided in one of the movement guide portions 302b and 302b.
- the standby position sensor 309 converts the change in the detection medium emitted to the position sensor 310 into an electrical signal, and senses the standby position of the power feeding unit 305 from this electrical signal.
- the standby position sensor 309 is disposed in one of the movement guide portions 302b and 302b, sensing the standby position of the power feeding unit 305 on the opposite side of the parking space 101 of the vehicle A1. Become. On the other hand, since the reference position sensor 308 is disposed on one of the car stopper main bodies 302a and 302a, the reference position sensor 308 is closer to the parking space 101 of the vehicle A1 relative to the sensing point of the standby position of the power feeding unit 305. The reference position of the power feeding unit 305 is sensed.
- the power feeding unit 305 includes a position sensor 310.
- the position sensor 310 outputs a change depending on the presence / absence of the detection medium released from the reference position sensor 308 to the reference position sensor 308, and outputs a change due to the presence / absence of the detection medium released from the standby position sensor 309 to the standby position sensor 309. .
- Examples of these sensors include sensors using ultrasonic waves and infrared rays, proximity sensors, and optical sensors.
- the reference position sensor 308 and the standby position sensor 309 each release the detection medium, and the position sensor 310 outputs a change depending on the presence or absence of the detection medium.
- the present invention is not limited to this.
- the position sensor 310 releases the detection medium to the reference position sensor 308 and the standby position sensor 309, and the reference position sensor 308 outputs a change due to the presence or absence of the detection medium to the position sensor 310 to sense the reference position of the power supply unit 305.
- the standby position sensor 309 may output a change due to the presence or absence of the detection medium to the position sensor 310 to sense the standby position of the power feeding unit 305.
- the reference position sensor 308 and the standby position sensor 309 themselves output a change due to the discharge of the detection medium and the presence or absence of the discharged detection medium in the power supply unit 305, and the reference position of the power supply unit 305 and The standby position of the power feeding unit 305 may be sensed.
- a sensor using a camera or the like can be used in addition to the sensor described above.
- the “standby position sensor 309” in the present invention may be any means for sensing the standby position of the power feeding unit 305 on the opposite side of the parking space 101 of the vehicle A1, and the “reference position sensor 308” in the present invention is Any means that senses the reference position of the power supply unit 305 on the side closer to the parking space 101 of the vehicle A1 relative to the sensing point of the standby position of the power supply unit 305 may be used.
- the standby position sensor 309 detects that the detection medium released from the standby position sensor 309 is positioned.
- the sensor 310 senses the standby position of the power supply unit 305 that is in a reception state, and the power supply control unit 306 causes the power supply unit 305 to wait at the standby position.
- the reference position sensor 308 senses the reference position of the power feeding unit 305 in which the detection medium released from the reference position sensor 308 is received by the position sensor 310, The power supply control unit 306 moves the power supply unit 305 to the reference position. Then, based on the parking lot information and the information received by the information receiving unit 104, the power feeding unit 305 is moved to a position facing the power receiving unit 15 of the vehicle A1.
- the standby position sensor 309 senses the standby position of the power feeding unit 305 on the opposite side of the parking space 101 of the vehicle A1, and the reference position sensor 308 includes the power feeding unit.
- the reference position of the power feeding unit 305 is sensed on the side closer to the parking space 101 of the vehicle A1 relative to the sensing point of the standby position 305. For this reason, when the vehicle A1 is not in the parking space 101 in the parking facility 300 and the vehicle A1 enters the parking space 101 in the parking facility 300, the vehicle A1 is parked in the parking space 101 in the parking facility 300.
- the power feeding unit 305 can be moved or arranged at an appropriate position.
- FIG. 7 is a schematic enlarged cross-sectional view of the parking facility 400 of the system B4 according to the fourth embodiment of the second invention.
- the system B4 according to the fourth embodiment is different from the system B1 according to the first embodiment of the second invention in the configuration of the parking facility.
- the following description will focus on differences from the first embodiment of the second invention.
- System B4 includes a vehicle A1 and a parking facility 400. Since the configuration of the vehicle A1 is the same as that of the first embodiment, the description thereof is omitted.
- the parking facility 400 includes a parking space 101, a car stop 102, and a power feeding device 403, like the parking facility 100 according to the first embodiment of the second invention.
- the power feeding device 403 includes a power feeding unit 405 and a power feeding control unit 406 arranged in the ground space of the parking facility 400.
- the power feeding unit 405 includes a power feeding coil 405 a and has a function of moving in the parking facility 400.
- Four traveling wheels 405b are provided at the bottom of the power feeding unit 405 as a moving means, and have a function of moving from the opposite side of the parking space 101 toward the parking space 101 side in a direction parallel to the traveling direction of the vehicle A1. is doing.
- the power feeding unit 405 also has a function of moving in a direction orthogonal to the traveling direction of the vehicle A1.
- this embodiment is different from the first embodiment of the second invention in that the power feeding unit 405 further includes a self-propelling motor 411.
- the self-propelled motor 411 is connected to a traveling axle 405c that passes through substantially the center of each of the two traveling wheels 405b among the four traveling wheels 405b and is rotatably supported.
- the self-propelled motor 411 is connected to the power supply control unit 406.
- the self-propelled motor 411 generates the driving force of the two traveling wheels 405b with the electric power supplied from the power supply control unit 406, and causes the power supply unit 405 to self-run.
- the power feeding unit 405 has a self-running function. For this reason, the apparatus size of the electric power feeding part 405 can be reduced. Furthermore, since the movement range of the power feeding unit 405 is wide, the alignment accuracy between the power feeding unit 405 and the power receiving unit 15 can be further improved.
- FIG. 8a is a schematic bottom view of the vehicle A2 of the system B5 according to the fifth embodiment of the second invention.
- FIG. 8B is a schematic enlarged cross-sectional view of the power feeding unit 505 of the system B5 and the power receiving unit 25 of the vehicle A2 according to the fifth embodiment of the second invention.
- the system B5 according to the fifth embodiment of the second invention is different from the system B1 according to the first embodiment of the second invention in the configuration of the vehicle and the parking facility. The following description will focus on differences from the first embodiment of the second invention.
- the system B5 includes a vehicle A2 and a parking facility 500, like the system B1 of the first embodiment of the second invention.
- the vehicle A2 includes a vehicle body 10, a tire 11, a load 12, a battery 13, a rectifier 14, a power receiving unit 25, and a vehicle information unit 16.
- the power receiving unit 25 includes a power receiving coil 25a, and has a function of receiving power transmitted from a power supply facility described later using the power receiving coil.
- this embodiment is different from the first embodiment of the second invention in that the power receiving unit 25 includes a detection mark 25b as shown in FIG. 8a.
- the detection mark 25b is provided on the opposite surface side of the power receiving unit 25 that faces the power feeding unit 505.
- the shape of the detection mark 25b is not particularly limited, it is preferable that the detection mark 25b has a belt shape that passes through the approximate center of the power receiving unit 25 and extends in a direction perpendicular to the traveling direction of the vehicle A2 of the power receiving unit 25.
- the parking facility 500 includes a parking space 101, a car stop 102, and a power feeding device 503.
- the power feeding device 503 includes a power feeding unit 505 disposed in the ground space of the parking facility 500 and a power feeding control unit 506.
- the power supply unit 505 includes a power supply coil 505 a and has a function of moving in the parking facility 500.
- Four traveling wheels 505b are provided at the bottom of the power feeding unit 505 as moving means, and have a function of moving from the opposite side of the parking space 101 toward the parking space 101 side in a direction parallel to the traveling direction of the vehicle A2. is doing.
- the power feeding unit 505 also has a function of moving in a direction orthogonal to the traveling direction of the vehicle A2.
- this embodiment is different from the first embodiment of the second invention in that the power feeding unit 505 includes a detection sensor 512.
- the detection sensor 512 is disposed on the opposite surface side facing the power receiving unit 25 of the power supply unit 505.
- the detection sensor 512 performs an operation of detecting the detection mark 25b.
- Examples of the detection sensor 512 include sensors using ultrasonic waves and infrared rays, proximity sensors, optical sensors, sensors using cameras, and the like.
- the power feeding device 503 moves the power feeding unit 505 to a position facing the power receiving unit 25 of the vehicle A2 based on the parking lot information and the information received by the information receiving unit 104.
- the detection operation of the detection mark 25b provided in the power receiving unit 25 is performed by the detection sensor 512 provided in the power feeding unit 505.
- the detection mark 25b is detected by the detection sensor 512
- the movement of the power feeding unit 505 is stopped and power feeding is started.
- the detection mark 25b is not detected by the detection sensor 512
- the power feeding unit 505 continues to move until the detection mark 25b is detected.
- the power receiving unit 25 has the detection mark 25b, and the power feeding unit 505 has the detection sensor 512. For this reason, it is possible to finely adjust the alignment between the power feeding unit 505 and the power receiving unit 25, and thus the power transmission efficiency can be further improved.
- FIG. 9 is a schematic cross-sectional view showing a configuration of a system B6 according to the sixth embodiment of the second invention.
- the system B6 according to the sixth embodiment is different from the system B1 according to the first embodiment of the second invention in the configuration of the vehicle and the parking facility. The following description will focus on differences from the first embodiment of the second invention.
- the system B6 includes a vehicle A3 and a parking facility 600, similarly to the system B1 of the first embodiment of the second invention.
- the vehicle A3 includes a vehicle body 10, a tire 11, a load 12, a battery 13, a rectifier 14, a power receiving unit 15, and a vehicle information unit 16.
- the present embodiment is different from the first embodiment of the second invention in that the vehicle body 10 includes a direction mark 17 as shown in FIG.
- the direction mark 17 has a front direction mark 17 a disposed on the front bottom portion of the vehicle body 10 and a rear direction mark 17 b disposed on the rear bottom portion of the vehicle body 10.
- the forward mark 17a has a shape indicating that it is in front of the vehicle A3.
- the rearward mark 17b has a shape indicating that it is behind the vehicle A3.
- the shape of the forward mark 17a and the backward mark 17b is not particularly limited, but the shape of the forward mark 17a and the shape of the backward mark 17b are different.
- the vehicle A3 has both the front direction mark 17a and the rear direction mark 17b.
- the vehicle A3 may have only the front direction mark 17a or only the rear direction mark 17b. Also good.
- the parking facility 600 includes a parking space 101, a car stop 102, and a power feeding device 603.
- the power supply device 603 includes a power supply unit 605 disposed in the ground space of the parking facility 600 and a power supply control unit 606.
- the power supply unit 605 includes a power supply coil 605a and has a function of moving in the parking facility 600.
- Four traveling wheels 605b are provided at the bottom of the power feeding unit 605 as moving means, and have a function of moving from the opposite side of the parking space 101 toward the parking space 101 side in a direction parallel to the traveling direction of the vehicle A3. is doing.
- the power feeding unit 605 also has a function of moving in a direction orthogonal to the traveling direction of the vehicle A3.
- this embodiment is different from the first embodiment of the second invention in that the power feeding unit 605 includes a direction detection sensor 613.
- the direction detection sensor 613 is arranged on the opposite surface side facing the power receiving unit 15 of the power feeding unit 605.
- the direction detection sensor 613 generates a direction signal indicating whether or not the direction mark 17 is detected, and transmits the direction signal to the information receiving unit 104.
- Examples of the direction detection sensor 613 include sensors using ultrasonic waves and infrared rays, proximity sensors, optical sensors, sensors using cameras, and the like.
- the direction detection sensor 613 detects the direction mark 17 provided on the wheel side that is in contact with or close to the vehicle stop 102. At this time, when the front direction mark 17a is detected by the direction detection sensor 613, the direction signal generated by the direction detection sensor 613 is transmitted to the information reception unit 104, and the parking lot information and the information received by the information reception unit 104 are transmitted.
- the power feeding unit 605 is moved to a position facing the power receiving unit 15 of the vehicle A3 based on the information of the distance Y1 in the direction to travel.
- the direction signal generated by the detection sensor 613 is transmitted to the information receiving unit 104, and the parking lot information and the information received by the information receiving unit 104
- the distance X2 in the direction parallel to the traveling direction of the vehicle A3 from the center Z2 of the straight line connecting the axle R3 of the rear wheel 19a and the axle R4 of the rear wheel 19b to the center M of the power receiving unit 15 is orthogonal to the traveling direction of the vehicle A3.
- the power feeding unit 605 is moved to a position facing the power receiving unit 15 of the vehicle A3 based on the information of the distance Y2 in the direction to travel.
- the vehicle A3 has the front direction mark 17a on the front bottom portion of the vehicle body 10, the rear direction mark 17b on the rear bottom portion of the vehicle body 10, and the power feeding unit 605 has the direction detection sensor. 613.
- the parking direction of the vehicle A3 in the parking facility 600 is not limited.
- the power feeding unit 605 moves based on the information on the parking direction of the vehicle A3, the power feeding unit 605 and the power receiving unit 15 can be reliably aligned.
- FIG. 10 is a schematic cross-sectional view showing a configuration of a system B7 according to the embodiment of the third invention.
- the system B7 according to the embodiment of the third invention is different from the system B1 according to the first embodiment of the third invention in the configuration of the vehicle and the parking facility.
- the following description will focus on differences from the first embodiment of the second invention.
- the system B7 includes a vehicle A4 and a parking facility 700, like the system B1 of the first embodiment of the second invention.
- Vehicle A4 includes a vehicle body 10, a tire 11, a load 12, a battery 13, a rectifier 14, and a power receiving unit 15.
- this embodiment is different from the first embodiment of the second invention in that the vehicle A4 does not have the vehicle information section 16, as shown in FIG.
- the parking facility 700 includes a parking space 101, a car stop 102, and a power feeding device 703.
- the power feeding device 703 includes a power feeding unit 705 disposed in the ground space of the parking facility 700 and a power feeding control unit 706.
- the power feeding unit 705 includes a power feeding coil 705 a and has a function of moving in the parking facility 700.
- Four traveling wheels 705b are provided at the bottom of the power feeding unit 705 as a moving means, and have a function of moving from the opposite side of the parking space 101 toward the parking space 101 side in a direction parallel to the traveling direction of the vehicle A3. is doing.
- the power feeding unit 705 also has a function of moving in a direction orthogonal to the traveling direction of the vehicle A4.
- the vehicle stop 102 or the power feeding device 703 has parking lot information.
- the power supply control unit 706 further includes a vehicle information unit 714 and a vehicle information input unit 715.
- the vehicle information unit 714 has vehicle information on the vehicle A4 and information on the positional relationship between the axle R of the vehicle A4 and the power receiving unit 15.
- the vehicle information referred to here is the vehicle type and model information of the vehicle A4. Further, the information on the positional relationship between the axle R of the vehicle A4 and the power receiving unit 15 receives power from the center Z1 of the straight line connecting the axle R1 of the front wheel 18a and the axle R2 of the front wheel 18b, as in the system B1 of the first embodiment.
- the vehicle information unit 714 stores information on X1, Y1, X2, and Y2 for each vehicle type and / or model of the vehicle A4.
- the power supply control unit 706 includes the vehicle information unit 714, but the present invention is not limited to this.
- the vehicle information unit 714 may be included in the power supply unit 705, or may be included in equipment provided separately from the power supply device 703.
- the vehicle information unit 714 stores the vehicle information of the vehicle A4 and the positional relationship between the axle R of the vehicle A4 and the power receiving unit 15, but the present invention is not limited to this.
- the vehicle information of the vehicle A4 and the positional relationship information between the axle R of the vehicle A4 and the power receiving unit 15 are stored in a server or the like, the server is accessed using an Internet communication line, and the input vehicle information is Information on the positional relationship between the axle R of the corresponding vehicle A4 and the power receiving unit 15 may be acquired.
- the updating of the information can be simplified.
- the vehicle information input unit 715 has a console for inputting vehicle information of the vehicle A4.
- the vehicle information referred to here is the vehicle type and model information of the vehicle A4.
- the power supply control unit 706 includes the vehicle information input unit 715, but the present invention is not limited to this.
- the vehicle information input unit 715 may be provided by equipment provided separately from the power feeding device 703. Or you may make it input vehicle information using the portable terminal which a driver
- the mobile terminal is not particularly limited as long as it is a device that can be connected to the Internet communication line, and examples thereof include a mobile phone, a multifunctional mobile phone, and a tablet terminal.
- the vehicle A4 is parked in the parking space 101. Subsequently, the driver or the passenger inputs the vehicle type information of the vehicle A4 using the console of the information input unit 715. Then, collation processing between the vehicle type information input to the vehicle information input unit 715 and the vehicle type information stored in the vehicle information unit 714 is performed in the power supply control unit 706. At this time, if there is vehicle type information that matches the vehicle type information input to the vehicle information input unit 715 from the vehicle type information stored in the vehicle information unit 714, X1, Y1, X2, Y2, etc. corresponding to the vehicle type Information on the positional relationship between the axle R and the power receiving unit 15 is derived.
- the electric power feeding part 705 is moved to the position facing the power receiving part 15 of vehicle A4. If there is no vehicle type information that matches the vehicle type information input to the vehicle information input unit 715 in the vehicle type information stored in the vehicle information unit 714, an error is displayed on the console.
- the power supply device 703 matches the information on the positional relationship between the axle R of the vehicle A4 and the power receiving unit 15 and the information for specifying the vehicle A4, and the parking Based on the parking lot information, the power feeding unit 705 is moved to a position facing the power receiving unit 15. For this reason, alignment with the electric power feeding part 705 and the power receiving part 15 can be performed easily, and electric power transmission efficiency can be improved.
- any method can be applied as a power transmission means from the power feeding unit to the power receiving unit. That is, the power feeding unit may transmit power to the vehicle by electromagnetic induction, and the vehicle may receive power from the power feeding unit by electromagnetic induction. Further, a method in which the power feeding unit transmits power to the vehicle by magnetic field resonance and the vehicle receives power from the power feeding unit by magnetic field resonance may be used. Alternatively, the power feeding unit may transmit power to the vehicle by electric field resonance, and the vehicle may receive power from the power feeding unit by electric field resonance. Further, a method in which the power feeding unit transmits electric power to the vehicle by electrostatic induction and the vehicle receives power from the power feeding unit by electrostatic induction may be used.
- the vehicle information unit has information on the positional relationship between the vehicle axle and the power receiving unit, but is not limited thereto.
- the vehicle information unit may further accumulate information on the diameters of the wheels of the vehicle. In this case, by using the wheel diameter information, the calculation accuracy of the distance from the vehicle stop to the power receiving unit is increased, so that the alignment accuracy between the power feeding unit and the power receiving unit can be improved.
- the vehicle information unit may further accumulate information on power supply conditions (resonance frequency, inductance, capacitance, voltage, current, etc.) of the power receiving unit. As a result, the power supply unit can perform power supply under optimal conditions.
- the electric power feeder is arrange
- an underground space 101a that extends from the opposite side of the parking space 101 to the parking space 101 may be provided in the basement of the parking facility 800, and the power feeding unit 805 may be movably disposed in the underground space 101a.
- the power feeding unit 805 since the power feeding unit 805 is disposed in the basement, the power feeding unit 805 can be reliably protected when the vehicle A1 enters the parking space 101 in the parking facility 800 or during the parking operation.
- the power feeding unit 905 may be movably disposed on the roof 900 a.
- the power receiving unit 15 of the vehicle A1 needs to be arranged on the upper part of the vehicle A1. Also in this case, since the power feeding unit 905 is disposed in the basement, the power feeding unit 905 can be reliably protected when the vehicle A1 enters the parking space 101 in the parking facility 900 or during the parking operation.
- the information on the positional relationship between the vehicle stop and the axle is included as the parking lot information, but is not limited thereto.
- the vehicle and the parking facility may have an information transmission / reception function, and the positional relationship between the vehicle stop and the axle may be derived by the information transmission / reception. Specifically, first, when the vehicle is parked in the parking space, the vehicle stop detects contact or proximity of the tire to the vehicle stop. Next, the position information of the axle and the information of the wheel diameter are transmitted from the vehicle to the vehicle stop or the power feeding device.
- the vehicle stop or power supply device uses information received from the vehicle, vehicle stop information such as the height of the vehicle stop or the shape of the vehicle stop, which is a part of the parking lot information, and approach information of the contact or proximity of the tire to the detected vehicle stop.
- vehicle stop information such as the height of the vehicle stop or the shape of the vehicle stop, which is a part of the parking lot information, and approach information of the contact or proximity of the tire to the detected vehicle stop.
- the positional relationship between the vehicle stop and the axle is derived.
- the vehicle stop or the power feeding unit receives information on the positional relationship between the axle and the power receiving unit from the vehicle, the power feeding device receives the parking lot information, the information on the positional relationship between the axle and the power receiving unit, and the positional relationship between the vehicle stop and the axle. Based on the information, the power feeding unit is moved to a position facing the power receiving unit.
- the vehicle may have a function of detecting contact or proximity of the tire to the vehicle stop.
- the vehicle stop or power feeding device transmits vehicle stop information and the approach information of the contact or proximity of the tire to the detected vehicle stop, and the vehicle uses the information, the axle position information, and the wheel diameter information.
- the positional relationship between the vehicle stop and the axle may be derived.
- the information transmission / reception function of a vehicle and parking equipment should just be what can transmit / receive a signal using an electromagnetic wave, light, a sound, etc.
- Car stop 302a ... Car stop body, 302b ... Moving guide part, 103,203,303,403,503,603 , 703 ... Power feeding device, 104, 204 ... Information receiving unit, 105, 205, 305, 405, 505, 605, 705 805, 905... Power feeding section, 105a, 205a, 305a, 405a, 505a, 605a, 705a... Feeding coil, 105b, 205b, 305b, 405b, 505b, 605b, 705b. 306, 406, 506, 606, 706... Power supply control unit, 107... Control unit, 308... Reference position sensor, 309... Standby position sensor, 310.
- Direction detection sensor 714 ...
- vehicle information section 715 ... vehicle information input section, A1 to A4 ... vehicle, B1 to B7 ... system, C1 ... direction of vehicle travel, H ... height of vehicle stop, M ... center of power receiving section, VG ... Power supply, R ... Axle, R1, R2 ... Front wheel axle, R3, R4 ... Rear wheel axle, X1, X2, Y1, Y2 ... Away, Z1, Z2 ... the center of the straight line.
Abstract
Description
続いて、図3を参照して、第2の発明に係るシステムの第1実施形態の構成について説明する。図3は、第2の発明の第1実施形態に係るシステムB1の構成を示す模式断面図である。
続いて、図5を参照して、第2の発明に係るシステムの第2実施形態の構成について説明する。図5aは、第2の発明の第2実施形態に係るシステムB2の構成を示す模式断面図である。図5bは、図5aの駐車設備200の模式断面拡大図である。第2の発明の第2実施形態に係るシステムB2は、駐車設備の構成が第2の発明の第1実施形態に係るシステムB1と異なっている。以下、第2の発明の第1実施形態と異なる点を中心に説明する。
続いて、図6を参照して、第2の発明に係るシステムの第3実施形態の構成について説明する。図6aは、第2の発明の第3実施形態に係るシステムB3の構成を示す模式断面図である。図6bは、図6aの駐車設備300の模式上面拡大図である。第2の発明の第3実施形態に係るシステムB3は、駐車設備の構成が第2の発明の第1実施形態に係るシステムB1と異なっている。以下、第2の発明の第1実施形態と異なる点を中心に説明する。
続いて、図7を参照して、第2の発明に係るシステムの第4実施形態の構成について説明する。図7は、第2の発明の第4実施形態に係るシステムB4の駐車設備400の模式断面拡大図である。第4実施形態に係るシステムB4は、駐車設備の構成が第2の発明の第1実施形態に係るシステムB1と異なっている。以下、第2の発明の第1実施形態と異なる点を中心に説明する。
続いて、図8を参照して、第2の発明に係るシステムの第5実施形態の構成について説明する。図8aは、第2の発明の第5実施形態に係るシステムB5の車両A2の模式下面図である。図8bは、第2の発明の第5実施形態に係るシステムB5の給電部505と車両A2の受電部25の模式断面拡大図である。第2の発明の第5実施形態に係るシステムB5は、車両と駐車設備の構成が第2の発明の第1実施形態に係るシステムB1と異なっている。以下、第2の発明の第1実施形態と異なる点を中心に説明する。
続いて、図9を参照して、第2の発明に係るシステムの第6実施形態の構成について説明する。図9は、第2の発明の第6実施形態に係るシステムB6の構成を示す模式断面図である。第6実施形態に係るシステムB6は、車両と駐車設備の構成が第2の発明の第1実施形態に係るシステムB1と異なっている。以下、第2の発明の第1実施形態と異なる点を中心に説明する。
Claims (9)
- 給電部から電力を受電する受電部を備えた車両であって、
前記車両は、車軸と前記受電部との位置関係の情報を持つ車両情報部を有し、
前記車軸と前記受電部との位置関係の情報に基づいて、前記受電部と対向する位置に前記給電部の移動が可能な車両。 - 前記給電部を持つ給電装置、及び、車止めを有する駐車設備と、
前記駐車設備内を移動する請求項1記載の車両と、を備える移動体システムであって、
前記車止めは、前記車軸と前記受電部との位置関係の情報を受信する情報受信部を持ち、
前記車止め又は前記給電装置は、駐車場情報を持ち、
前記給電装置は、前記車両が前記駐車設備内の所定位置に駐車したときに、
前記駐車場情報と前記車軸と前記受電部との位置関係の情報に基づいて、前記受電部と対向する位置に前記給電部を移動させる移動体システム。 - 前記給電部を持つ給電装置、及び、車止めを有する駐車設備と、
前記駐車設備内を移動する請求項1記載の車両と、を備える移動体システムであって、
前記給電装置は、前記車軸と前記受電部との位置関係の情報を受信する情報受信部を持ち、
前記車止め又は前記給電装置は、駐車場情報を持ち、
前記給電装置は、前記車両が前記駐車設備内の所定位置に駐車したときに、
前記駐車場情報と前記車軸と前記受電部との位置関係の情報に基づいて、前記受電部と対向する位置に前記給電部を移動させる移動体システム。 - 前記給電部が、前記車両の駐車スペースの反対側から、前記車両の駐車スペース側に向かって移動する、請求項2または3に記載の移動体システム。
- 前記駐車設備は、さらに待機位置センサ及び基準位置センサを有し、
前記待機位置センサは、前記車両の駐車スペースの反対側において、前記給電部の待機位置をセンシングし、
前記基準位置センサは、前記給電部の待機位置のセンシングポイントに対して相対的に前記車両の駐車スペースに近い側において、前記給電部の基準位置をセンシングする請求項2~4のいずれか一項に記載の移動体システム。 - 前記給電部が、自走機能を有する、請求項2~5のいずれか一項に記載の移動体システム。
- 前記受電部は、さらに検出マークを持ち、
前記給電部は、検出センサを有し、
前記給電装置は、検出センサによって前記検出マークが検出される位置に前記給電部を停止させる請求項2~6のいずれか一項に記載の移動体システム。 - 前記車両は、さらに車体前方底部又は車体後方底部に方向マークを持ち、
前記給電部は、方向検出センサを有し、
前記方向検出センサは、前記方向マークの検出有無を示す方向信号を前記情報受信部に送る、請求項2~7のいずれか一項に記載の移動体システム。 - 給電部を持つ給電装置、及び、車止めを有する駐車設備と、
前記給電部から電力を受電する受電部を備え、前記駐車設備内を移動する車両と、を備える移動体システムであって、
前記車止め又は前記給電装置は、駐車場情報を持ち、
前記給電装置は、前記車両の車軸と前記受電部との位置関係の情報と、前記車両を特定するための情報との照合結果、及び、前記駐車場情報に基づいて、前記受電部と対向する位置に前記給電部を移動させる移動体システム。
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CN105691218A (zh) * | 2014-12-15 | 2016-06-22 | 大众汽车有限公司 | 确定充电站的充电装置的充电位置 |
JP2017137701A (ja) * | 2016-02-04 | 2017-08-10 | 矢崎総業株式会社 | 車止め、コイルユニット及びそれらを有する給電システム |
JP2021175291A (ja) * | 2020-04-27 | 2021-11-01 | 株式会社Ihi建材工業 | 車両給電装置及び路盤ユニット |
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US20150246620A1 (en) | 2015-09-03 |
JPWO2014050778A1 (ja) | 2016-08-22 |
JP5900636B2 (ja) | 2016-04-06 |
US9908426B2 (en) | 2018-03-06 |
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