WO2018013044A1 - Parking platform, parking house with electrical system and method of parking and charging an electrical vehicle - Google Patents

Parking platform, parking house with electrical system and method of parking and charging an electrical vehicle Download PDF

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Publication number
WO2018013044A1
WO2018013044A1 PCT/SE2017/050769 SE2017050769W WO2018013044A1 WO 2018013044 A1 WO2018013044 A1 WO 2018013044A1 SE 2017050769 W SE2017050769 W SE 2017050769W WO 2018013044 A1 WO2018013044 A1 WO 2018013044A1
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WO
WIPO (PCT)
Prior art keywords
parking
parking platform
vehicle
platform
storage space
Prior art date
Application number
PCT/SE2017/050769
Other languages
French (fr)
Inventor
Björn Johansson
Original Assignee
Björn Johansson
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Björn Johansson filed Critical Björn Johansson
Publication of WO2018013044A1 publication Critical patent/WO2018013044A1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
    • E04H6/42—Devices or arrangements peculiar to garages, not covered elsewhere, e.g. securing devices, safety devices, monitoring and operating schemes; centering devices
    • E04H6/422—Automatically operated car-parks
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
    • E04H6/08—Garages for many vehicles
    • E04H6/12—Garages for many vehicles with mechanical means for shifting or lifting vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—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
    • B60L53/14—Conductive energy transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
    • E04H6/08—Garages for many vehicles
    • E04H6/12—Garages for many vehicles with mechanical means for shifting or lifting vehicles
    • E04H6/18—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in vertical direction only or independently in vertical and horizontal directions
    • E04H6/22—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in vertical direction only or independently in vertical and horizontal directions characterised by use of movable platforms for horizontal transport, i.e. cars being permanently parked on palettes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the present invention relates to an electric system for an automated parking house, a parking house and a method for parking and charging an electric vehicle in an automated parking house.
  • the vehicle is driven through a port to a loading station where the vehicle is left by the driver.
  • the vehicle can thereafter be moved by the system to a predefined place, where it is stored until it is time to return the vehicle to the driver.
  • the system is then moved to a delivery station, where the driver can collect the vehicle and drive away.
  • the transportation of the vehicle can be made in different ways, by a rolling platform, by a belt conveyor or with platforms handled by an overhead crane.
  • An object of the invention is to provide a parking platform comprising an electric circuit.
  • a further object of the invention is to provide a parking house comprising a plurality of parking platforms.
  • a further object of the invention is to provide a method for parking and charging an electric vehicle in an automated parking house.
  • a parking platform for a vehicle comprising a base plate adapted to hold the vehicle and also a plurality of side pillars, where the side pillars are perpendicular to the bottom plate during use
  • the object of the invention is achieved in that a side pillar comprises a plurality of electric cables, a lower connector arranged at a lower end surface, an upper connector arranged at an upper end surface, and an intermediate socket arranged at a sidewall on the side pillar, where a lower connector is adapted to interact with an upper connector, such that a lower connector can be connected to an upper connector of another parking platform.
  • the parking platform comprises an electric circuit comprising a plurality of electric cables.
  • the electric circuit comprises a lower and an upper connector and an intermediate socket.
  • the connectors can supply current to the electric circuit in a parking platform and can supply the current to another parking platform.
  • a charger unit of a vehicle can be connected to the socket, which makes it possible to charge the batteries of an electric vehicle during parking.
  • two side pillars are provided with electric cables.
  • the side pillars are arranged diagonally to each other, on each side of the parking platform.
  • the parking platform can be placed in any direction and still be connected to the electric supply from the supply point.
  • the advantage is that the parking platform can be positioned with a vehicle pointing both forwards and rearwards, which may be advantageous if e.g. the parking platforms with vehicles are turned during the parking such that they can be driven forwards when they are picked up.
  • the parking house comprises a plurality of storage spaces where the parking platforms can be placed with or without vehicles when they are stored. Every storage space is provided with an electric supply point which comprises at least an upper connector which is adapted to interact with the lower connector of a parking platform. This allows a parking platform to be connected to the supply when it is placed in the storage space. When several parking platforms are stacked on each other, all parking platform will be connected to the supply.
  • the electric system comprises a switch allocated to every storage space which is adapted to break the supply to the supply point at that storage space when a parking platform is to be handled, i.e. when a parking platform is placed in that storage space or when a parking platform is removed from that storage space. The switch breaks the current to the supply point when the electric system receives a signal saying that a parking platform is to be handled in that storage space.
  • the overhead crane is provided with a lower connector, which interacts with the upper connector of a parking platform when a parking platform is handled.
  • a control system sends out a low voltage signal in the circuit in a parking platform.
  • the control system can detect when the parking platform is in a correct position when it is lowered, either in a storage space or in a receiving or delivery position. Due to the fact that the supply point comprises two diagonally arranged upper connectors which are connected to each other, the circuit will be closed when the parking platform has reached the final correct position. This is detected by the control system which will be able to send out a signal saying that the parking platform is correctly positioned. When the overhead crane releases the parking platform, the circuit will open again.
  • the control system can thus detect that the overhead crane has released the parking platform, which causes the control system to send out a signal to the switch at the supply point such that it can close.
  • the parking platform can now be supplied with current. This occurs at the storage space where the parking platform is handled.
  • the control system detects that the parking platform is in the correct position at a receiving or delivery position, the control system can send a confirmation signal to the control system of the parking house, such that a vehicle can be received or delivered.
  • Fig. 1 shows a parking platform according to the invention at a storage space
  • Fig. 2 shows a side pillar of a parking platform according to the invention
  • Fig. 3 shows an electric circuit in a parking platform
  • Fig. 4 shows an electric circuit at a storage space
  • Fig. 5 shows an electric circuit of an overhead crane
  • Fig. 6 shows part of a parking house according to the invention.
  • Fig. 1 shows a parking platform 1 being handled by an overhead crane 22 at a storage space 21 .
  • the parking platform comprises a base plate 2 and a number of side pillars 3, four in this example.
  • the base plate also comprises a frame 16 which constitutes a bottom design to which the side pillars are attached.
  • the frame and the base plate can be one part or may be two separate parts, where the frame and the base plate can be connected with connecting means.
  • the advantage of using separate frames with side pillars is that side pillars of different length can be used with a common base plate.
  • the side pillars are attached to the frame or base plate such that the side pillars are perpendicular to the bottom plate when the base plate is used.
  • the side pillars can be pivotally attached such that the side pillars can be angled and folded away when several empty parking platforms are to be stacked on each other.
  • a vehicle 17 is placed on the parking platform and is in the shown example being moved from a receiving position to a storage space 21 , where the vehicle will be stored for some time.
  • a side pillar is shown in Fig. 2.
  • the side pillar a lower connector 4 arranged at a lower end surface 5 of the side pillar and an upper connector 6 arranged at an upper end surface 7 of the side pillar.
  • the lower connector is preferably a male connector where the electric terminals protrude from the lower surface.
  • the upper connector is preferably a female connector where the terminals are recessed and protected from touching.
  • the lower connector and the upper connector are connected to each other with electric cables 8, which are adapted to conduct current from a supply point at the floor of a storage space.
  • a parking platform is advantageously provided with two side pillars comprising connectors and electric cables. These side pillars are arranged diagonally each other, such that e.g.
  • the front right side pillar and the rear left side pillar comprises connectors and electric cables.
  • a parking platform with a vehicle can be placed with optional orientation of the vehicle, i.e. with the vehicle directed either forwards or rearwards, and current can at the same time be conducted from the supply point to additional parking platforms.
  • the electric circuit of a parking platform is shown in Fig. 3.
  • a circuit shown comprising a lower connector 4, an upper connector 6, an intermediate socket 9 and electric cables 8.
  • This circuit is arranged in e.g. the rear left side pillar.
  • a similar circuit shown comprising a lower connector 4, an upper connector 6, an intermediate socket 9 and electric cables 8.
  • This circuit is arranged in e.g. the front right side pillar.
  • the two circuits are preferably identical, but it is also possible to let only one circuit comprise an intermediate socket, since both side pillars will always be connected to the supply point.
  • the intermediate socket is adapted for the charging of an electric vehicle.
  • the connection in the shown example comprises a first circuit 1 1 and a second circuit 12.
  • the first circuit is adapted to supply a charger in a vehicle with a high current, e.g. for quick charging of the batteries of the vehicle, and can for this purpose be provided with a suitable high current connector.
  • the first circuit is in the shown example a 3-phase 400 V AC voltage having a fused of 32 ampere, and is thus provided with a 3-phase connector.
  • the second circuit is here adapted for low current charging and is here a single-phase 240 V voltage having a fuse of 10 ampere and is provided with an ordinary plug. Other voltages and currents are also possible. It is also possible to feed the socket with a DC voltage specifically adapted for charging vehicles.
  • the second circuit may also be adapted for control purposes when specific control cables are used. It is also possible to provide the socket with a switch which disconnects the connection between the socket and the charger of the vehicle when there is no power supply in the parking platform.
  • the electric cables and the connectors are advantageously adapted to allow quick charging at each parking platform. If each socket of a parking platform is fused with 32 ampere, then the electric cables and the connectors must be able to handle this current multiplied with the number of parking platform used.
  • a suitable number of levels with stacked vehicles can be four or five levels, but more levels are possible.
  • the electric cables may e.g. be isolated copper rods or copper tubes.
  • Fig. 4 shows an electric circuit of a storage space.
  • the storage space comprises a supply point 13 which is provided with two upper connectors 6 arranged in the floor at the storage space.
  • the two upper connectors are adapted to be connected to the lower connectors of a parking platform when the parking platform is positioned at the storage space. It is important that there is no power in the supply point when a parking platform is placed at or is collected from the storage space.
  • the electric circuit is thus provided with a switch 14 which is adapted to break the power supply to the supply point when a parking platform is handled at that storage space.
  • the switch can be controlled in different ways.
  • the switch can in one example be switched off when the overhead crane is assigned from the control system of the parking house to collect or place a parking platform at that storage space. It is also possible to use optical or mechanical sensors which detects that the overhead crane is at that storage space. When the switch has switched off the power supply from the electric circuit, a parking platform can be placed in or collected from the storage space in a secure way.
  • Fig. 5 shows the electric circuit of the overhead crane.
  • the overhead crane comprises two lower connectors adapted to interact with the upper connectors of a parking platform.
  • the lower connectors of the overhead crane will connect to the upper connectors of the parking platform.
  • the control system 15 will connect a low voltage, e.g. 24 V, to the connectors, which means that this voltage will also be present in the side pillars of the parking platform that is handled.
  • the parking platform is when it is handled not connected to any other parking platform which means that this circuit is open.
  • the lower connectors will connect to the supply point in the floor, either directly or through another parking platform, which will close the circuit. The power supply is disconnected by the switch.
  • the control system detects that the circuit is closed, which means that the parking platform is in a correct position. Since the parking platform now is positioned at its storage space, the overhead crane can disconnect from the parking platform. The control system detects that the low voltage circuit opens when the is overhead crane leaves the parking platform, which means that the overhead crane is disconnected from the parking platform. The control system can now send a signal to the switch which can connect the supply to the supply point, such that the electric vehicle can be charged.
  • Fig. 6 shows a view of a parking house 20.
  • the parking house has two sideway columns with storage places 21 .
  • the number of lengthwise storage spaces is optional, but may be between five and ten.
  • the parking platform having side pillars of different length is used.
  • a parking house can be provided with an optional number of storage spaces, depending on the available space and the need of parking places.
  • a suitable number of storage spaces may be between 50 and 300, but other numbers are also possible.
  • a large parking house may use several reception and delivery positions, while a small parking house can have a combined reception and delivery position.
  • a vehicle In a method for parking and charging an electric vehicle in an automated parking house, a vehicle is first driven to a reception position on a parking platform in the parking house. It is possible to book a specific time of arrival at the parking house, or it is possible to queue.
  • the reception position is advantageously arranged in a closed room, which is opened when the vehicle is identified. The driver and possible passengers leave the room, after the charger unit of the vehicle has been connected to the charging socket of the parking platform.
  • the parking platform together with the vehicle is collected and is moved to a storing space.
  • the power supply is applied to the charge socket by closing the switch such that the power supply is connected to the supply point at that storage space.
  • the driver When the vehicle is to be collected, the driver identifies himself, a signal is sent to the control system of the parking house that the parking platform with the vehicle is to be picked up.
  • the time for collecting the vehicle can be pre-booked or can be made at an optional moment.
  • the charge current is disconnected from the charge socket by the switch which disconnects the power supply from the supply point.
  • the charge current can also be disconnected when the vehicle is fully charged.
  • the parking platform is moved to the delivery position, and when the parking platform is correctly positioned at the delivery position, the driver is let into the room in order to collect the vehicle. The driver can then drive the vehicle out from the delivery position.
  • One advantage is that the complete handling of the vehicle is performed without humans in the vicinity, which allows for a safe parking without the risk of personal injury.
  • a further advantage is that the charging of a vehicle is performed in a protected place which humans don't have access to, which limits the possibility of personal injury if a fault on a charge unit would occur.
  • An advantage of charging a vehicle in a protected place is also that the vehicle cannot be damaged during the charging, which may be the case if the charging is performed in a public and unprotected place with public access. The vehicle and its content is further protected during the complete parking time, and is further not subjected to wind and weather.
  • Vehicle 20 Parking house

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention concerns a parking platform for a vehicle, comprising a base plate adapted to hold the vehicle and also a plurality of side pillars, where a side pillar comprises a plurality of electric cables, a lower connector, an upper connector, and an intermediate socket arranged at a sidewall on the side pillar, where a lower connector can be connected to an upper connector of another parking platform. The advantage of the invention is that electric vehicles parked in a parking house with parking platforms can be charged in an easy way.

Description

PARKING PLATFORM, PARKING HOUSE WITH ELECTRICAL SYSTEM
AND METHOD OF PARKING AND CHARGING AN ELECTRICAL VEHICLE
TECHNICAL FIELD
The present invention relates to an electric system for an automated parking house, a parking house and a method for parking and charging an electric vehicle in an automated parking house.
BACKGROUND ART
There are several different known systems for automated parking of vehicles in parking houses. In most systems, the vehicle is driven through a port to a loading station where the vehicle is left by the driver. The vehicle can thereafter be moved by the system to a predefined place, where it is stored until it is time to return the vehicle to the driver. The system is then moved to a delivery station, where the driver can collect the vehicle and drive away. The transportation of the vehicle can be made in different ways, by a rolling platform, by a belt conveyor or with platforms handled by an overhead crane.
One purpose of such automated parking systems is to save space. Parking houses having conventional drive ways requires a higher internal height and further driveways to the different floors, which takes up unnecessary space. The vehicles can be packed denser in an automated parking system. A further advantage is that the parking is safer. Since the space where the vehicles are parked is not commonly accessible, no one can steal the vehicle, parts of the vehicle or things in the vehicle. Even if someone would enter the space, it is impossible to drive the vehicle away when it is parked. These systems work well for conventional vehicles, but do not have the possibility to charge electric vehicles and hybrid vehicles during the parking of the vehicles. There is thus room for an improved parking system. DISCLOSURE OF INVENTION
An object of the invention is to provide a parking platform comprising an electric circuit. A further object of the invention is to provide a parking house comprising a plurality of parking platforms. A further object of the invention is to provide a method for parking and charging an electric vehicle in an automated parking house.
The solution to the problem according to the invention is described in the characterizing part of claim 1 . The other claims contain advantageous further developments of the inventive parking platform, the parking house and the method.
In a parking platform for a vehicle, comprising a base plate adapted to hold the vehicle and also a plurality of side pillars, where the side pillars are perpendicular to the bottom plate during use, the object of the invention is achieved in that a side pillar comprises a plurality of electric cables, a lower connector arranged at a lower end surface, an upper connector arranged at an upper end surface, and an intermediate socket arranged at a sidewall on the side pillar, where a lower connector is adapted to interact with an upper connector, such that a lower connector can be connected to an upper connector of another parking platform. By this first embodiment of the parking platform according to the invention, the parking platform comprises an electric circuit comprising a plurality of electric cables. The electric circuit comprises a lower and an upper connector and an intermediate socket. The connectors can supply current to the electric circuit in a parking platform and can supply the current to another parking platform. A charger unit of a vehicle can be connected to the socket, which makes it possible to charge the batteries of an electric vehicle during parking.
In an advantageous development of the inventive parking platform, two side pillars are provided with electric cables. The side pillars are arranged diagonally to each other, on each side of the parking platform. In this way, the parking platform can be placed in any direction and still be connected to the electric supply from the supply point. The advantage is that the parking platform can be positioned with a vehicle pointing both forwards and rearwards, which may be advantageous if e.g. the parking platforms with vehicles are turned during the parking such that they can be driven forwards when they are picked up. By turning the vehicles when the parking house is not used, e.g. during the night, time is saved since it takes a relatively long time to turn a parking platform at the same time as it is to be moved to a storage space or when it is to be delivered to a delivery position.
In the inventive parking house, the parking house comprises a plurality of storage spaces where the parking platforms can be placed with or without vehicles when they are stored. Every storage space is provided with an electric supply point which comprises at least an upper connector which is adapted to interact with the lower connector of a parking platform. This allows a parking platform to be connected to the supply when it is placed in the storage space. When several parking platforms are stacked on each other, all parking platform will be connected to the supply. In an advantageous development of the inventive parking house, the electric system comprises a switch allocated to every storage space which is adapted to break the supply to the supply point at that storage space when a parking platform is to be handled, i.e. when a parking platform is placed in that storage space or when a parking platform is removed from that storage space. The switch breaks the current to the supply point when the electric system receives a signal saying that a parking platform is to be handled in that storage space.
In an advantageous development of the inventive parking house, the overhead crane is provided with a lower connector, which interacts with the upper connector of a parking platform when a parking platform is handled. A control system sends out a low voltage signal in the circuit in a parking platform. In this way, the control system can detect when the parking platform is in a correct position when it is lowered, either in a storage space or in a receiving or delivery position. Due to the fact that the supply point comprises two diagonally arranged upper connectors which are connected to each other, the circuit will be closed when the parking platform has reached the final correct position. This is detected by the control system which will be able to send out a signal saying that the parking platform is correctly positioned. When the overhead crane releases the parking platform, the circuit will open again. The control system can thus detect that the overhead crane has released the parking platform, which causes the control system to send out a signal to the switch at the supply point such that it can close. The parking platform can now be supplied with current. This occurs at the storage space where the parking platform is handled. When the control system detects that the parking platform is in the correct position at a receiving or delivery position, the control system can send a confirmation signal to the control system of the parking house, such that a vehicle can be received or delivered. BRIEF DESCRIPTION OF DRAWINGS
The invention will be described in greater detail in the following, with reference to the embodiments that are shown in the attached drawings, in which
Fig. 1 shows a parking platform according to the invention at a storage space,
Fig. 2 shows a side pillar of a parking platform according to the invention,
Fig. 3 shows an electric circuit in a parking platform, Fig. 4 shows an electric circuit at a storage space,
Fig. 5 shows an electric circuit of an overhead crane, and
Fig. 6 shows part of a parking house according to the invention.
MODES FOR CARRYING OUT THE INVENTION The embodiments of the invention with further developments described in the following are to be regarded only as examples and are in no way to limit the scope of the protection provided by the patent claims.
Fig. 1 shows a parking platform 1 being handled by an overhead crane 22 at a storage space 21 . The parking platform comprises a base plate 2 and a number of side pillars 3, four in this example. The base plate also comprises a frame 16 which constitutes a bottom design to which the side pillars are attached. The frame and the base plate can be one part or may be two separate parts, where the frame and the base plate can be connected with connecting means. The advantage of using separate frames with side pillars is that side pillars of different length can be used with a common base plate. The side pillars are attached to the frame or base plate such that the side pillars are perpendicular to the bottom plate when the base plate is used. The side pillars can be pivotally attached such that the side pillars can be angled and folded away when several empty parking platforms are to be stacked on each other. A vehicle 17 is placed on the parking platform and is in the shown example being moved from a receiving position to a storage space 21 , where the vehicle will be stored for some time.
A side pillar is shown in Fig. 2. The side pillar a lower connector 4 arranged at a lower end surface 5 of the side pillar and an upper connector 6 arranged at an upper end surface 7 of the side pillar. The lower connector is preferably a male connector where the electric terminals protrude from the lower surface. The upper connector is preferably a female connector where the terminals are recessed and protected from touching. The lower connector and the upper connector are connected to each other with electric cables 8, which are adapted to conduct current from a supply point at the floor of a storage space. A parking platform is advantageously provided with two side pillars comprising connectors and electric cables. These side pillars are arranged diagonally each other, such that e.g. the front right side pillar and the rear left side pillar comprises connectors and electric cables. In this way, a parking platform with a vehicle can be placed with optional orientation of the vehicle, i.e. with the vehicle directed either forwards or rearwards, and current can at the same time be conducted from the supply point to additional parking platforms.
The electric circuit of a parking platform is shown in Fig. 3. To the left is a circuit shown comprising a lower connector 4, an upper connector 6, an intermediate socket 9 and electric cables 8. This circuit is arranged in e.g. the rear left side pillar. To the right is a similar circuit shown comprising a lower connector 4, an upper connector 6, an intermediate socket 9 and electric cables 8. This circuit is arranged in e.g. the front right side pillar. The two circuits are preferably identical, but it is also possible to let only one circuit comprise an intermediate socket, since both side pillars will always be connected to the supply point. The intermediate socket is adapted for the charging of an electric vehicle.
The connection in the shown example comprises a first circuit 1 1 and a second circuit 12. The first circuit is adapted to supply a charger in a vehicle with a high current, e.g. for quick charging of the batteries of the vehicle, and can for this purpose be provided with a suitable high current connector. The first circuit is in the shown example a 3-phase 400 V AC voltage having a fused of 32 ampere, and is thus provided with a 3-phase connector. The second circuit is here adapted for low current charging and is here a single-phase 240 V voltage having a fuse of 10 ampere and is provided with an ordinary plug. Other voltages and currents are also possible. It is also possible to feed the socket with a DC voltage specifically adapted for charging vehicles. The second circuit may also be adapted for control purposes when specific control cables are used. It is also possible to provide the socket with a switch which disconnects the connection between the socket and the charger of the vehicle when there is no power supply in the parking platform.
The electric cables and the connectors are advantageously adapted to allow quick charging at each parking platform. If each socket of a parking platform is fused with 32 ampere, then the electric cables and the connectors must be able to handle this current multiplied with the number of parking platform used. A suitable number of levels with stacked vehicles can be four or five levels, but more levels are possible. The electric cables may e.g. be isolated copper rods or copper tubes.
Fig. 4 shows an electric circuit of a storage space. The storage space comprises a supply point 13 which is provided with two upper connectors 6 arranged in the floor at the storage space. The two upper connectors are adapted to be connected to the lower connectors of a parking platform when the parking platform is positioned at the storage space. It is important that there is no power in the supply point when a parking platform is placed at or is collected from the storage space. The electric circuit is thus provided with a switch 14 which is adapted to break the power supply to the supply point when a parking platform is handled at that storage space. The switch can be controlled in different ways. The switch can in one example be switched off when the overhead crane is assigned from the control system of the parking house to collect or place a parking platform at that storage space. It is also possible to use optical or mechanical sensors which detects that the overhead crane is at that storage space. When the switch has switched off the power supply from the electric circuit, a parking platform can be placed in or collected from the storage space in a secure way.
Fig. 5 shows the electric circuit of the overhead crane. The overhead crane comprises two lower connectors adapted to interact with the upper connectors of a parking platform. When the overhead crane connects to a parking platform, the lower connectors of the overhead crane will connect to the upper connectors of the parking platform. At the same time, the control system 15 will connect a low voltage, e.g. 24 V, to the connectors, which means that this voltage will also be present in the side pillars of the parking platform that is handled. The parking platform is when it is handled not connected to any other parking platform which means that this circuit is open. When the parking platform has been placed at its storage space, the lower connectors will connect to the supply point in the floor, either directly or through another parking platform, which will close the circuit. The power supply is disconnected by the switch. The control system detects that the circuit is closed, which means that the parking platform is in a correct position. Since the parking platform now is positioned at its storage space, the overhead crane can disconnect from the parking platform. The control system detects that the low voltage circuit opens when the is overhead crane leaves the parking platform, which means that the overhead crane is disconnected from the parking platform. The control system can now send a signal to the switch which can connect the supply to the supply point, such that the electric vehicle can be charged.
Fig. 6 shows a view of a parking house 20. In this example, the parking house has two sideway columns with storage places 21 . The number of lengthwise storage spaces is optional, but may be between five and ten. In the shown example, the parking platform having side pillars of different length is used. A parking house can be provided with an optional number of storage spaces, depending on the available space and the need of parking places. A suitable number of storage spaces may be between 50 and 300, but other numbers are also possible. A large parking house may use several reception and delivery positions, while a small parking house can have a combined reception and delivery position.
In a method for parking and charging an electric vehicle in an automated parking house, a vehicle is first driven to a reception position on a parking platform in the parking house. It is possible to book a specific time of arrival at the parking house, or it is possible to queue. The reception position is advantageously arranged in a closed room, which is opened when the vehicle is identified. The driver and possible passengers leave the room, after the charger unit of the vehicle has been connected to the charging socket of the parking platform. When the room is empty, the parking platform together with the vehicle is collected and is moved to a storing space. When the parking platform is correctly positioned at the storage space, the power supply is applied to the charge socket by closing the switch such that the power supply is connected to the supply point at that storage space.
When the vehicle is to be collected, the driver identifies himself, a signal is sent to the control system of the parking house that the parking platform with the vehicle is to be picked up. The time for collecting the vehicle can be pre-booked or can be made at an optional moment. When the parking platform is picked-up, the charge current is disconnected from the charge socket by the switch which disconnects the power supply from the supply point. The charge current can also be disconnected when the vehicle is fully charged. The parking platform is moved to the delivery position, and when the parking platform is correctly positioned at the delivery position, the driver is let into the room in order to collect the vehicle. The driver can then drive the vehicle out from the delivery position. The described solution has several advantages. One advantage is that the complete handling of the vehicle is performed without humans in the vicinity, which allows for a safe parking without the risk of personal injury. A further advantage is that the charging of a vehicle is performed in a protected place which humans don't have access to, which limits the possibility of personal injury if a fault on a charge unit would occur. An advantage of charging a vehicle in a protected place is also that the vehicle cannot be damaged during the charging, which may be the case if the charging is performed in a public and unprotected place with public access. The vehicle and its content is further protected during the complete parking time, and is further not subjected to wind and weather.
The invention is not to be regarded as being limited to the embodiments described above, a number of additional variants and modifications being possible within the scope of the subsequent patent claims.
REFERENCE SIGNS
1 : Parking platform
2: Base plate
3: Side pillar 4: Lower connector
5: Lower end surface
6: Upper connector
7: Upper end surface
8: Electric cable 9: Socket
10: Sidewall
1 1 : First circuit
12: Second circuit
13: Supply point 14: Switch
15: Control system
16: Frame
17: Vehicle 20: Parking house
21 : Storage space
22: Overhead crane

Claims

Parking platform (1) for a vehicle, comprising a base plate
(2) adapted to hold the vehicle and also a plurality of side pillars (3), where the side pillars are perpendicular to the bottom plate during use, characterized in that a side pillar
(3) comprises a plurality of electric cables (8), a lower connector
(4) arranged at a lower end surface
(5), an upper connector (6) arranged at an upper end surface (7), and an intermediate socket (9) arranged at a sidewall (10) on the side pillar (3), where a lower connector (4) is adapted to interact with an upper connector (6), such that a lower connector (4) can be connected to an upper connector (6) of a lower parking platform (1), when several parking platforms are stacked on each other.
Parking platform according to claim 1, characterized in that the parking platform (1 ) comprises two side pillars (3) comprising electric cables (8), a lower connector (4), an upper connector (6) and an intermediate socket (9).
Parking platform according to claim 2, characterized in that the side pillars (3) comprising electric cables (8) are positioned diagonally on the parking platform.
Parking platform according to any of the preceding claims, characterized in that the intermediate socket (9) comprises a distribution box with fuses.
Parking house (20) comprising a plurality of storage spaces (21) and also a plurality of parking platforms (1) according to any of the preceding claims, characterized in that the parking house (20) comprises an electric system (18) having a supply point (13) at each storage space (21), where the supply point comprises an upper connector (6) adapted to interact with a lower connector (4) arranged on a parking platform.
6. Parking house according to claim 5, characterized in that the electric system (18) further comprises a switch (14) allocated to every storage space (21) and adapted to break the supply to the supply point (13) at a storage space when a parking platform (1) is to be handled at that storage space (21 ).
7. Parking house according to claim 5 or 6, characterized in that the parking house comprises an overhead crane (22) adapted to handle a parking platform (1), where the overhead crane comprises a lower connector (4) and a control system (15), where the lower connector (4) of the overhead crane is adapted to be connected to the upper connector (6) arranged on a parking platform (1) that is to be handled.
8. Parking house according to claim 7, characterized in that the control system (15) is adapted to detect that a parking platform is in a correct position in a storage space (21) by measuring a control signal connected between a supply point (13) at a storage space (21 ) and the lower connector (4) of the overhead crane.
9. Method for parking and charging an electric vehicle, comprising the steps of:
- driving the vehicle to a reception position on a parking platform,
- connecting the charging unit of the vehicle to a charge socket on the parking platform, moving the parking platform to a storage space, and applying charge current to the charge socket when the parking platform has assumed a correct position.
10. Method according to claim 9, further comprising the steps of:
- disconnecting the charge current to the charge socket when the vehicle is fully charged or when the parking platform is to be moved to a delivery position, - moving the parking platform to the delivery position, and
- driving the vehicle from the delivery position.
PCT/SE2017/050769 2016-07-11 2017-07-07 Parking platform, parking house with electrical system and method of parking and charging an electrical vehicle WO2018013044A1 (en)

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SE1651024A SE539996C2 (en) 2016-07-11 2016-07-11 Parking platform and parking garage with electrical system for charging electric cars and hybrid cars
SE1651024-0 2016-07-11

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