EP3802200A1 - Ladeeinheit für elektrofahrzeuge - Google Patents
Ladeeinheit für elektrofahrzeugeInfo
- Publication number
- EP3802200A1 EP3802200A1 EP19702877.2A EP19702877A EP3802200A1 EP 3802200 A1 EP3802200 A1 EP 3802200A1 EP 19702877 A EP19702877 A EP 19702877A EP 3802200 A1 EP3802200 A1 EP 3802200A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- charging
- module
- control circuit
- docking station
- communication module
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric 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
- B60L53/30—Constructional details of 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
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Definitions
- the subject matter relates to a charging station for electric vehicles, a docking station for charging stations and a charging unit in a charging station as well as modules installed in a charging unit.
- the construction of the charging infrastructure is of crucial importance for the nationwide establishment of electromobility. For this purpose, it is necessary to install in public as well as in part public spaces charging stations for electric vehicles to a large extent.
- the charging stations should fit into the streetscape and are therefore usually designed as charging stations. Charging columns are characterized by a compact design with a small footprint.
- the charging stations are usually stela-like and have integrated or connectable charging electronics.
- the extensive expansion of the charging infrastructure is a key factor in the acceptance of electromobility. Therefore charging stations must be installed as widely as possible and in large numbers in a short time. This is a challenge with regard to the design, construction and actual installation on site of the charging stations, since the mass use of the charging stations they must be produced on an industrial scale and particularly easy, preferably by a single person, should be installed on site.
- Charging technology be decoupled to ensure that even laymen can install charging technology. Also the possible maintenance as well as the exchange of
- the charging unit comprises a power module (HPS module), a communication module [ECU module] and a user interface module (UI module), wherein the
- Power module a first charging control circuit for charging control with a
- Electric vehicle has.
- the requirements for loading units can vary greatly depending on the application. Nevertheless, it is desired to create as much as possible a uniform structure of a charging unit, which can be adapted to demand.
- the charging unit it is first necessary for the charging unit to include basic charging control functions. Therefore, a first charge control circuit is arranged on the power module.
- User interface module connects to the power module. On the
- Communication bus can be coupled as needed, the communication module and / or the user interface module.
- the function of the power module, in particular of the charging control circuit, is initially independent of this, so that the charging unit is also set up without a communication module connected to the communication bus for providing charging functionalities. If the communication module is coupled, then further functions such as encryption of accounting data, exchange of Charging parameters, transmission of information and the like, are provided by the communication module.
- Communication bus is connected.
- the communication bus serves to interconnect the respective functions on the different modules
- the power module on the one hand always aware of the presence of a communication module and / or a user interface module and on the other hand also trigger, trigger and / or detect functions thereof.
- the respective communication module and the user interface module also trigger, trigger and / or detect functions thereof.
- User interface module can be optionally connected to the power module. As already mentioned, the functions of the first charge control circuit of the
- Communication module for example, a second charging control circuit, it may at least partially override the first charging control circuit, but can also take over and complete functions of the first charging control circuit.
- Communication module and the user interface module in the manner of plug and play over the communication bus to the power module can be connected.
- the Mödule connected via the bus at the
- the communication bus is next to the
- Communication functionality for example, a power supply for the communication module and / or the user interface module for
- a multi-voltage supply is possible, for example, 3.3 V, 5 V and / or 12 V.
- the communication and the power supply can via a single, multi-core cable, for example, run a flat cable.
- an RS422 bus is suitable as a communication bus between the respective modules.
- User interface module is each arranged on a separate circuit board. As a result, a mechanical decoupling of the functions of the respective modules is achieved, so that they can be arranged in the loading unit, if necessary.
- the charging unit with the power module is intended to provide basic functions for charging an electric vehicle.
- the first charge control circuit be independent of the
- Charging control is set up with an electric vehicle.
- the charge control circuit is set up for charge control by means of pulse width modulation.
- the communication with the electric vehicle should be done exclusively via an energy manager.
- Charge control circuit is set up in particular for charging control according to DIN 61851.
- Communication module have a second, independent thereof charge control circuit for charging control with an electric vehicle.
- the second charge control circuit has an extended functionality compared to the first charge control circuit. This extended range of functions relates in particular to the possibility of negotiating charging parameters with the electric vehicle. It is proposed that the second charge control circuit for charge control via a pilot conductor with the
- the second charging control circuit supports in particular a communication protocol according to DIN 15118 or Chademo.
- a charging outlet is arranged at the power module. In addition to the connections for phase and neutral, this charging outlet also has a connection for a ground conductor and a connection for a PP (Plug Present) contact, as well as a CP
- the PP and the CP contact of the charging outlet are on the
- the second charging control circuit can record a communication with the electric vehicle, at least via the CP and PP contacts.
- Functions may be present in the second charge control circuit which are complementary to functions of the first charge control circuit.
- the second charge control circuit at least partially override the charge control of the first charge control circuit.
- the power module is used in particular for performance monitoring and the
- Power protection for power protection, in particular, a circuit breaker, a fuse, a leakage circuit breaker, a ground fault (GFCI) sensor, a welding detection sensor and / or a control for an electrical plug unlocking are accommodated on the power module.
- GFCI ground fault
- Monitoring can be done in phases or for all phases at the same time, phased monitoring is always preferred.
- the communication module may include components for wireless communication in a local area network and / or a wide area network.
- radio protocols such as LTE, UMTS, GSM, 5G, WLAN, for example according to IEEE E802.II, Bluetooth, RFID, NFC or other protocols for wire and / or wireless communication are integrated on the communication module.
- the communication module may also include an encryption circuit, which may be formed, for example, as TPM (Trusted Platform Module e). This can be used, for example, by means of SML or TLS communication with a smart meter, iMS be included in the docking station and on the other hand, a secure communication with a billing center are performed.
- TPM Truste
- the loading unit can optionally be equipped as master or slave.
- a master controller or a slave controller can be arranged on the communication module.
- the communication module can, for example, with the extended communication functionality for wireless communication
- Communication module can control other loading units, the only one
- a display interface and / or a touch display interface can be arranged on the communication module. Via one of these interfaces, a display or a touch display, which is arranged on the user interface module, can be controlled. About one of these interfaces can also be a display or a touch display, which spatially offset from the
- User interface module e.g. is housed in a separate housing from the charging unit, drive. This makes it possible, the charging unit as
- Control center for example to use information and / or advertising displays.
- the communication and control capability is located on the communication module and the displays themselves no longer require such functionality.
- a communication module equipped with a master controller can receive measured values via an interface, for example via a LAN interface, from a communication module equipped with a slave controller. These measured values can be recorded by the measuring device on the charging unit, which is equipped with the slave controller, and transmitted to the charging unit with the master controller.
- the communication module with the master controller can encrypt the received measured values for further billing.
- the encrypted measured values can be transmitted from the encryption circuit to a billing center.
- Printed circuit board a variety of sensors are arranged.
- the sensors are arranged in particular on the side of the printed circuit board which, in the connected state, faces a lid surface.
- Sensors may be, for example, radar sensors, capacitive or inductive proximity sensors or the like.
- a radio antenna in particular a near field antenna, be arranged to support, for example, RFID functions and / or NFC functions.
- the antenna may be formed as a PCB antenna.
- User interface module may be arranged.
- a display, a touch display and / or a brightness sensor may be disposed on the user interface module.
- the touch display is preferably controlled via a touch display interface on the communication module.
- a display is preferably controlled via a display interface on the communication module.
- the (touch) display is controlled by the communication module.
- the user interface module Preferably, it only picks up the (touch) display itself and properly locates it relative to the lid surface on the lid.
- the power module is arranged in a well assembly and that the communication module and / or the user interface module are arranged in a cover assembly.
- the docking station has a trough-shaped housing with a bottom and circumferential side walls. Furthermore, the docking station has a cable entry leading into the housing. The cable entry can be both in the
- the docking station is for installation either directly on a wall or in a receptacle, e.g. can be arranged in a stela is arranged, the cable entry is either arranged laterally in the side walls or at the bottom.
- connection strip for a power cable is arranged.
- this connector bar can the
- Power cord for example, multi-phase, for example, single-phase or three-phase, be placed together with, for example, a neutral and / or a protective conductor.
- the terminal block is preferably arranged at the bottom of the housing.
- a contact strip or a connection socket for a network connection for example, according to the Cat 5, Cat 6 or Cat 7 standard or the like may be provided.
- the network connection allows a connection with a local network formed externally of the docking station or with a wide area network, for example DSL, ADSL or the like.
- the network connection can be set up for the connection of two independently operable networks.
- a systematic separation between a connection level for the power engineering and a supply level for charging technology is proposed.
- the docking station in particular taking advantage of the terminal block, as a connection level for a power grid and has within the housing in particular a receptacle for an energy meter, such as an intelligent measuring system (iMS) or a smart meter.
- iMS intelligent measuring system
- smart meter a smart meter
- Power port has in particular a jack with several
- Connection contacts which can be contacted with one phase of the power cable, the neutral conductor and optionally a protective conductor.
- a rectifier or rectifier may be provided within the docking station, the at least two additional terminals of the
- Power terminal applied, and over which arranged outside the docking station charging technology may optionally receive additional electrical power.
- connection level makes it possible to allow the layman to install the charging technology.
- the docking station as such has no "intelligence" in the sense of being able to perform charge control. Rather, at a later time a separate from the docking station charging unit easy and be conveniently connected by a layman via the power connector to the docking station. Since the mains connection is located to the power supply network within the docking station, there is no risk of electric shock by the one who couples the charging unit with the docking station.
- the docking station can be coupled to a charging unit.
- This charging unit serves as a supply level for a charging technology and in particular has a charging control circuit.
- a universally applicable docking station which secures the high-voltage connection to the electrical supply network, offers the advantage that with such a docking station differently configured charging units can be mechanically and electrically connected. This means that initially only docking stations must be installed and the charging technology then to the docking station
- the charging unit is also encapsulated in a separate housing, the docking of the charging unit to the docking station can be done by a technical layman.
- Charging unit can be decoupled in time from the installation of the docking station. Any layperson, after having been installed by a specialist in a docking station, can couple the appropriate charging technology to the docking station through a suitable charging unit. This makes the installation process much easier for the charging technology provider. In a simple
- connection level is free of charge technology for an electric vehicle.
- connection level is provided within the housing of the docking station.
- the connection level is set up to receive the power cord. For this purpose, a possibility of fixation and strain relief can be provided in addition to the cable entry.
- the connection level takes up the terminal strip for the power cable. Furthermore, the connection level for receiving the
- connection level is designed so that the
- An initial configuration of the docking station may provide that the power connector is directly connected to the power connector via the terminal block.
- a second configuration of the docking station may provide that the mains connection is first connected to the energy meter via the terminal block and from there to the
- a receptacle surrounding the energy meter is peripherally surrounded by side walls. Within the side walls of the receptacle, cable penetrations for power cables to and from the energy meter can be located between the terminal block and the power supply
- the energy meter may optionally be sealed off from the interior of the housing, which is necessary, for example, for tamper-proof measurement of electrical energy.
- cable bushings for a communication cable can be, with which the energy counter can be read.
- a protocol for reading the energy quantity counter may be SML and / or TLS.
- the receptacle may be closed by a lid which is removable.
- the lid may have a receptacle for a seal together with the side walls.
- this may have latching lugs in the region of an edge of the side walls facing away from the bottom in order to latch the energy supply meter.
- a tool-free installation of the energy meter within the docking station is possible, which greatly simplifies its installation.
- a passage is arranged, which lies in the connected to the side walls of the state in the housing disposed power port.
- the protective housing cover is placed on the docking station.
- connections within the docking station should be protected against contact from the outside, so that as few penetrations as possible are provided in the protective housing cover.
- a first penetration may be located spatially above the power connection.
- the power connection itself can be protected against contact with its connection contacts, as is usual with connection sockets for power cables.
- a further access can be in the area of a communication connection in order to be able to connect the charging unit, if appropriate, to the wide area network and / or the charging network.
- Further penetrations are preferably not present, so that the protective housing cover substantially closes the housing, in particular in the areas in which electrical lines run within the housing between the terminal block, the energy meter and / or the power connection.
- the protective housing cover will be at a distance from the power connection, in particular its upper edge. In order to prevent a manual penetration through the gap formed between the protective housing cover and the power connection, ie between the lower edge of the
- Protective housing cover has a first circumferential collar, wherein the collar engages in the assembled state in the interior of the housing.
- the power connection has a circumferential collar, which projects in the assembled state from the interior of the housing into the passage of the protective housing cover.
- the collar has a depth that corresponds at least to the distance between the underside of the protective housing cover and the top of the power connection.
- the collar can also be larger and extend up to the carrier, in particular the printed circuit board, on which the power connection is mounted.
- a power plug of the charging unit When mounting the charging unit on the docking station, a power plug of the charging unit can be plugged into a socket-shaped power connection.
- the power connector of the charging unit is also protected by a circumferential second collar.
- This second collar can engage according to an advantageous embodiment in an annular gap, which is formed in the assembled state of the protective housing cover circumferentially between the first collar and the power port.
- the Energy meter is an aperture arranged as a viewing window for a reading range of an energy quantity meter.
- the power cable of the mains connection is usually a rigid cable with only a single stranded wire.
- the cable usually has a cable cross-section of at least 2.5 mm 2 , but preferably beyond, for example, 6 mm 2 , 10 mm 2 , 16 mm 2 or the like.
- Such a rigid sheathed cable is difficult to bend and therefore difficult to install. To make sure the installation of the
- a scale is arranged on the bottom and / or the side walls of the housing of the docking station. This scale is used to cut to length the mains connection cable routed through the cable entry into the housing. The scale is spaced from the cable entry, that the power cord for connection to the terminal block can be assembled. This means that the installer can connect the power supply cable to the scale and cut it to length, thus ensuring that he / she has the power cord
- the docking station should serve as a connection level and be mechanically connectable to a charging system formed as a supply level.
- a connection level and be mechanically connectable to a charging system formed as a supply level.
- Protective housing cover has receptacles which cooperate with fastening means of a charging unit in such a way, in which case in particular the charging unit rests completely on the protective housing cover of the docking station.
- the charging unit is installed on the docking station "in layers", in which the charging unit rests completely on the docking station as a further “layer.”
- the base of the docking station is essentially congruent with the base of the charging unit.
- the charging unit can easily be “docked” to the docking station via the attachment means.
- the charging unit then completely or substantially completely covers the docking station, in particular the charging unit covers all electrical components within the housing of the docking station.
- the fastening means may preferably up to the outside of the bottom of the
- Receiving openings corresponding openings are provided, wherein the openings and the receptacles are aligned with each other. Then, in a linear, parallel to the longitudinal extension of the fastening means extending movement
- Fastening means are introduced through the receptacles in the bottom-side openings. This makes the installation of the charging unit on the docking station particularly easy.
- the docking station represents the connection level
- the charging unit represents the supply level
- the docking station has only connections for a power connection and preferably also a communication connection. For this reason, only a power connection and preferably a communication connection are formed between the docking station of the charging unit. The power connection is over the
- Power connection formed, the communication connection via, for example, a network cable.
- the loading unit encloses the housing walls of the docking station preferably circumferentially. Only in the area of a cable inlet and / or a cable outlet can be provided in the docking station comprehensive side walls of the loading unit a recess.
- the protective housing cover preferably returns from the upper level of the docking station, so that the side walls in the assembled state of the
- circumferential sealing lips are provided, which are pressed in the mounted state against the edges of the side walls.
- the fact that the protective housing cover springs back ensures that the sealing lips completely surround the side walls.
- Another aspect relates to a charging station with a charging base and a Ladeklalenkopf and a docking station as described.
- a charging station with a charging base and a Ladeklalenkopf and a docking station as described.
- a receptacle is provided in the charging column head, which is surrounded by circumferential side walls.
- the docking station can be arranged.
- the power cord may be inserted into the docking station.
- annular gap is formed between the side wall of the docking station and the receptacle, and a housing wall of the charging unit can engage in this annular gap. If the charging unit is docked with the docking station, it is placed on top of the docking station. Surrounding side walls of the charging unit can engage in the annular gap, so that from the outside of the charging station is not apparent that the
- Loading unit is placed on a docking station.
- the charging column head on two opposite front surfaces each have a receptacle for each docking station.
- the charging unit can be set up as a supply level on a docking station designed as a connection level.
- the loading unit comprises a
- Tub assembly and a lid assembly The tub assembly together with the lid assembly forms a housing in which the charging technology for the charging unit is housed.
- the connection of the charging technology to a power supply takes place in the manner of a modular system by mounting the charging unit on a docking station. This assembly is preferably done without tools.
- At least one power module is arranged in the tub module.
- HPS module also referred to as High Power Safety Module
- HPS module High Power Safety Module
- Within the tub assembly may also have a first
- Charge control circuit and a charging outlet be arranged. The in the
- Tub assembly arranged components may be sufficient
- the tub assembly includes a bottom which in the assembled state faces a protective housing cover of the docking station.
- Lid assembly substantially closed.
- the cover assembly serves to receive at least one communication module and at least one
- a user interface module makes it possible to realize an interaction with a user.
- the power module provides a power supply for a communication module as well as a user interface module.
- the communication module can optionally be connected to a wide area network connection within the docking station. Also, the communication module can optionally be connected to a charging network within connected to the docking station. Also, the communication module may establish communication in a near field.
- the communication module subsequently also ECU (Electronic Control Unit Module) can act as a control computer and communication gateway.
- ECU Electronic Control Unit Module
- the user interface module also referred to below as UIB (User Interface Board)
- UIB User Interface Board
- the user interface module comprises operating and / or display elements, for example, in each case at least one display, a touch display, a pictogram, a
- the UIB can be modularly connected to the ECU module, with a UIB in a basic function
- the charging unit can be coupled with a docking station via a power connection without tools.
- a circuit board can be arranged as Mains Board, which has the power connection.
- the Mains Board in the docking station can be parallel to the docking station floor and / or parallel to the docking station cover or the HPS module in one plane be floating to the bottom of the tub assembly.
- Within the docking station can be a functional separation between the
- Interfaces interface board to be set up on which external
- connection sockets Data connections are connected to corresponding connection sockets.
- Connection sockets can be connected via patch cables, which are plugged into the Tub assembly are introduced and connected there in particular with the ECU module.
- the interface board preferably has a connection socket which has connections for a first general purpose input / output bus (GPIO) on the one hand and a CAN bus on the other hand.
- GPIO general purpose input / output bus
- connection of a LAN between the interface board and the ECU is preferably carried out via a patch cable, wherein on a cable and in the respective sockets also connections of two mutually separately operated LAN networks can be performed.
- a connection of two different local networks is possible over a single cable.
- the tub assembly is preferably a tub-shaped housing with side walls.
- the side walls surround the power module circumferentially, preferably completely encircling. Thus, via the side walls, a lateral sealing of the
- an outlet for a charging cable can be provided.
- a permanently connected charging cable can be connected via the charging port if no charging socket is to be electrically installed.
- the outlet of the charging cable is preferably arranged in a recess of a side wall.
- the side wall may spring back to the interior of the tub assembly, particularly in the area where a charging socket is placed.
- a non-wired charging socket can be placed in the tub assembly to act as a "plug garage".
- the tub assembly also preferably has a bottom. in the
- the soil is the soil
- the HPS module can be formed as a printed circuit board.
- the HPS module is floating. Due to the floating mounting, it is possible to align plug and socket of the power connection to each other during assembly, in which, with the aid of guide means, the respective printed circuit board, which is mounted floating, is optionally displaced in the plane of storage.
- the charging unit also has a power connection. This is arranged on the HPS module.
- the power port is preferably a port corresponding to the power port on the docking station.
- the power connections correspond to one another according to the socket-plug principle, wherein the power connection on the HPS module is preferably formed as a plug, whereas the power connection is formed on the docking station as a socket.
- the power connection is in a recess in the bottom of the
- the power connection of the HPS module is bordered by a circumferential collar.
- the collar preferably completely surrounds the power port and extends away from the interior of the well assembly through the bottom thereof.
- the collar may be located on the floor itself or on the PCB of the HPS module.
- the collar preferably has a length which corresponds approximately to the length of the longest contact of the power connection.
- the power port is only open at the bottom and laterally through the collar
- the bottom of the tub assembly may have an opening provided in the region of the charging socket.
- the opening may be as a recess for receiving the charging socket.
- the opening makes it possible, in particular, to operate the charging socket manually from the underside, that is, from the ground, in particular to unlock it.
- a charging plug inserted in the charging socket can be locked.
- this lock is unlocked by an energized emergency release.
- this release can be inoperative. Since the emergency unlocking should ensure that the charging unit is de-energized, the emergency release is suggested from the ground. Because the
- the loading unit should be as modular as possible, so that a variety of
- Equipment variants can be operated as needed. This also means that different charging sockets should be receivable from the tub assembly. Therefore, a modular receptacle for the charging socket is proposed, which is preferably operated without tools.
- a receptacle for a charging socket is provided in the tub assembly, wherein the receptacle has fixing means for releasably fixing the charging socket to the tub assembly.
- the charging socket can with correspondingly corresponding fixatives in the
- the charging socket as on a
- the receiving body has a larger footprint than any charging socket.
- the charging socket is preferably arranged centrally in a surface of the receiving body.
- the receiving body is designed so that it can accommodate a variety of types of charging sockets.
- the fixing means corresponding to the fixing means of the receiving body, which form the interface are identical for all different charging sockets. This will be done ensures that the receiving body is dimensioned so that the interface remains unchanged even with changed charging sockets.
- the receiving body are adapted to receive mutually different charging sockets.
- Charging sockets can be in particular according to type 1, 2 or 3 as well as CCS according to IEC 62196 or even a chademo. Other types of
- Charging sockets can also be arranged in the receiving body.
- the fixing means in the tub assembly are preferably comb-shaped
- Flanges formed with mutually aligned openings.
- Corresponding fixing means may be provided on the receiving body of the charging socket or the charging socket.
- On the receiving body of the charging socket also comb-shaped flanges can be provided, which interact with the flanges of the fixing and engage in this. Through the openings of the flanges, the
- pins can be used, so that the receiving body or the charging socket form-fitting manner to the fixing means and thus the
- Tub assembly can be fixed.
- Recesses may be set up at the docking station. By inserting the webs into the recesses on the docking station, the webs can be fixed in a form-fitting manner to the docking station.
- the HPS module can have at least one circuit breaker.
- the power module can in particular have a sensor for monitoring the neutral conductor as well as the ground conductor and / or one
- Misfire circuit breaker and / or a short circuit protection switch and / or a welding detection sensor have. All of these sensors can have switching functions or control a switch.
- the first charging control circuit On the circuit board of the power module, the first charging control circuit, a charging outlet and the circuit breaker may be arranged.
- the charging outlet is wired so that the charging socket can be connected to the charging outlet via terminals.
- the phases LI, L2, L3 as well as neutral PE and ground conductor N can be contacted at the charging outlet.
- the charging outlet may include a CP and a PP terminal, which terminals may be disposed in a connector remote from the power terminals.
- the first charge control circuit allows in particular a
- This charging control includes a
- Basic functionality to be able to initially negotiate the readiness to charge with an electric vehicle.
- the charging outlet serves to connect either one
- the charging outlet is disposed in the tub assembly and connected to a charging cable disposed on the tub assembly, led out of the tub assembly, or connected to a charging socket in the tub assembly.
- the charging outlet preferably comprises a terminal block with terminals for the individual phases, a neutral conductor and a protective conductor on the one hand and an at least two-pole connector for receiving PP and CP terminals.
- the tray assembly can be closed by the lid assembly, with the exception of the charging socket.
- the communication module and the user interface module can be accommodated.
- the cover assembly When mounting a user interface module or communication module In the cover assembly, starting from the cover surface, first the user interface module and then the communication module can be arranged. Thus, the user interface module is sandwiched between the lid surface and the communication module.
- the communication module and the user interface module are preferably each formed on a separate circuit board. This increases the modularity of the charging unit, since the communication module as well as the user interface module can each be fitted separately from one another in the cover assembly. Thus, as needed, either a communication module or a
- User interface module or both modules are arranged in the cover assembly.
- the temperature management is significantly optimized.
- the modules are spaced apart so that temperature management within the tub assembly can be optimized.
- the cover assembly preferably corresponds completely to the
- Tub assembly in particular, the base areas of the lid assembly and tub assembly are such that the lid assembly rests completely in the mounted state on the tub assembly.
- For fixing locking element are provided in particular on the side walls of the cover assembly, which can lock on inner sides of the side walls of the tub assembly. As a result, the cover assembly is connectable to the tub assembly.
- the locking elements may be such that a fixing takes place by a rear engagement. Further, the locking elements may be such that they can only be solved on the bottom side so only in a mechanically detached from the docking tub assembly. This increases safety, since there is always a contact protection by the cover assembly and the cover assembly is not of the
- Can bucket assembly can be lifted as long as the tray assembly rests on the bottom side of the docking station. Only if the tub assembly of the Docking station was removed and thus mandatory the charging unit is free of electrical voltage, the cover assembly can be solved by the tub assembly by loosening the locking elements.
- the communication module and the user interface module are arranged in a first region of the cover surface, and that in a second region, corresponding to
- a shutter is arranged on the lid surface.
- the shutter has a movable element, which is on the inside of the
- Lid assembly is slidable.
- the shutter can be spring-loaded, so that it is always in a closed position when unloaded. By sliding it manually, the shutter can be slid parallel to the inner surface of the lid assembly, thereby releasing an opening that is immediately above the loading socket. As a result, a charging plug can be inserted into the charging socket. After removal of the charging plug, an automatic closing of the shutter can be ensured by the spring elements.
- User interface module is attached to the inside of the lid surface.
- the user interface module is fixedly attached to the lid surface of the lid assembly.
- On the circuit board of the user interface module can on the lid surface facing side signalers and / or
- Controls or displays are provided.
- the mechanical fixation of the user interface module to the lid assembly ensures that the sensors and / or signal generator of the user interface module with on the
- the communication module and / or the user interface module are attached to the lid assembly.
- An attachment to the tub assembly takes place exclusively indirectly via the attachment of the cover assembly to the
- User interface module mechanically connected to the power module only indirectly via the connection between the cover assembly and tub assembly.
- User interface module with the power module via at least one flexible cable.
- the communication module has a second charge control circuit.
- This second charging control circuit is for communicating with an electric vehicle via a pilot conductor.
- the second charging control circuit can access at least the pilot conductor of the charging outlet.
- the second acts
- the second charge control circuit is the first
- Charge control circuit can override the first charging control circuit. Also, a parallel operation is possible, so that both a communication via the first charge control circuit, as well as the second charge control circuit can take place, in which case the first charge control circuit with the second charge control circuit
- Communication module has an encryption module.
- Encryption module is formed in particular as a TPM module.
- Encryption module can be used to encrypt measured values of the measuring device installed in the docking station. For this purpose, a connection between a measured value output of the measuring device in the docking station and the
- Encryption module via a corresponding patch cable done.
- Encryption module can be measured by the meter (Smart Meter, iMS) and encode received measurements and, if necessary, via
- Fig. 1 is a schematic view of a charging station
- Fig. 2 is an exploded view of a charging station with docking station
- FIG. 3 is a view of an opened docking station
- FIG. 4 is a view of a closed docking station
- Fig. 5 is an exploded view of a tub assembly
- Fig. 6 shows a tub assembly in the assembled state
- Fig. 7 shows a tub assembly from below
- Fig. 9 is a view of a lid assembly
- Fig. 10 is a bottom view of a lid assembly
- Fig. 11 is a sectional view of a lid assembly.
- Fig. 1 shows a charging station with a charging station 2, in which a receptacle 2a is provided.
- the receptacle 2a of the charging station 2 is for receiving a docking Station 4 and a loading unit 6 is provided.
- the docking station 4 can be fixed in a manner not described in detail in the receptacle 2a.
- an electrical connection to a power supply network can be introduced into the docking station 4.
- the charging unit 6 can be assembled as an assembly with a tub assembly and a lid assembly, which will be described in more detail below, and placed on the docking station 4 and mechanically fixed to the docking station 4.
- the charging unit can be electrically coupled to the docking station 4 via a plug / socket.
- communication technology coupling can be done via at least one patch cable between the docking station 4 and the charging unit 6.
- the docking station 4 When installed, the docking station 4 is completely received in the receptacle 2a and the loading unit 6 surrounds the outer edge of the docking station 4 substantially completely and is also embedded with its side edges at least in part in the receptacle 2.
- the docking station 4 can, if necessary, also be mounted directly on a wall without the charging station 2 would be necessary with the recording 2a. Even then, the side walls of the docking station are at least partially surrounded by side panels loading unit 6.
- the base areas of docking station 4 and charging unit 6 are approximately congruent to each other, so that when viewed from the front the charging unit 6 completely covers the docking station 4.
- FIG. 1 The modular structure of docking station 4 and charging unit 6 is shown in more detail in FIG. In the figure 2, first the docking station 4 is shown, which has a cable entry 8 in a side wall 10. The docking station 4 is through a
- Protective housing cover 12 at least partially closed on the loading unit 6 side facing.
- recesses 14a, 14b are provided, which will be described in more detail below.
- the loading unit 6 may be formed from a tub assembly 20 and a lid assembly 26.
- openings 16 may be provided between the cover 12 and the side wall 10 openings 16 between the cover 12 and the side wall 10 openings 16. Webs 18 of the tub assembly 20 may be inserted into the docking station 4 through these openings 16 so that the tub assembly 20 may be fixed to the docking station 4 via the webs 18.
- the tub assembly 20 can be coupled to the docking station 4.
- the tub assembly 20 is part of the loading unit 6, which additionally has the lid assembly 26.
- the tub assembly 20 receives a power module 22 and a charging socket 24.
- the tray assembly 20 is substantially closed on the bottom side with a bottom and is closed on the lid side by the lid assembly 26.
- the lid assembly 26 may include a shutter 32 and controls such as a display 34.
- the lid assembly 26 is mechanically joined to the tub assembly 20 and thus seals the tub assembly 20 on one
- the tub assembly 20 is joined to the docking station 4, and a seal is made between the docking station 4 and the tub assembly 20 via the side walls 10. Between the lid assembly 26 and the tub assembly 20 is a
- the docking station 4 serves as a connection level and can be connected independently of the charging unit 6 to a power supply network. As long as the charging unit 6 is not coupled to the docking station 4, this is voltage-free. Via a coupling of the charging unit 6 with the docking station 4, the charging unit 6 is connected to the power supply network.
- the loading unit 6 can as
- the charging unit 6 can be coupled to the docking station 4 in a particularly simple, mechanically tool-free manner at any later time, even by a technical layman, whereby the charging unit 6 is then automatically coupled
- the loading unit 6 is characterized by their special design
- Tub assembly 20 and cover assembly 26 as previously explained, particularly flexible and modular and can be coupled to the particular application.
- the docking station 4 is shown in detail in FIG.
- the docking station 4 has a bottom and side walls 32.
- a main board 34 and an interface board 36 is arranged on the bottom of the docking station 4.
- a terminal block 38 is provided for connecting a power supply cable.
- a power connection 42 is also arranged as a socket on the main board 34.
- a receptacle 44 is provided between the side walls 32. The receptacle 44 is closed by a lid.
- a measuring device such as a smart meter or an iMS can be anchored latching. Not shown are cable penetrations through the side walls of the receptacle 44 to wire the meter.
- the receptacle 44 can be sealed via suitable holes, which is not shown in detail.
- ports 46, 48 are provided for a network cable and for a CAN bus and / or a GPIO bus.
- connection sockets can still be provided for connection to the modules within the charging unit.
- the external wiring with a local network takes place via a terminal strip, which can then be tapped off via an RJ45 socket.
- a terminal strip which can then be tapped off via an RJ45 socket.
- a first local area network can be formed with a central office and a second local area network between master and slave units, ie between a loading unit with a master controller with at least one, preferably several loading units with only one slave controller.
- the two local networks can be connected together via a single patch cable to the charging unit 6 or the modules arranged therein.
- the installer can attach the cable to the scale 40 and cut to length immediately. Thereby the fitter can correctly assemble the connection cable so that he can then place it on the connection strip 38 without any problems.
- a measuring device can be arranged in the receptacle 44.
- This meter is wired from terminal block 38 via flexible cables. Starting from the meter again cabling via flexible cable with a power connection 42. If no meter is installed, there is a direct wiring via a flexible cable between the terminal block 38 and the power terminal 42. At the power terminal 42 is also a terminal block for receiving the provided respective cable.
- a network cable can also be inserted into the housing of the docking station 4 and placed on the terminals 48.
- Communication ports of the interface board 36 in particular a RJ45 connector and a GPIO connector and a CAN bus connector provided.
- An RJ45 connector can connect to two separate LAN networks via the RJ45 socket 46.
- openings 16 are provided.
- the openings 16 are located between the cover 12 and the side wall 10 of the docking station 4. Through the openings 16, the webs 18 of the
- the docking station 4 After the docking station 4 has been installed in the manner shown, it may, protected by the protective housing cover 12, initially remain unpopulated and at any later time with a tub assembly 20 and
- Cover assembly 26 having charging unit 6 are equipped.
- a tub assembly 20 is shown in an equipment variant in FIG.
- the tub assembly 20 includes a housing having side walls 20a and a bottom 20b. In the region of the side walls 20a and the bottom 20b may be a
- Power module 50 bottom side in the tub assembly 20 are mechanically anchored.
- the power module 50 has a charging port 52 and a
- Charge control circuit 54 On the underside of the power module, as also shown in Fig. 5, a plug 56 is arranged, which to the socket of the
- Power connection 42 corresponds. Circumferentially around the plug 56 is a collar 58.
- the collar 58 faces away from the surface of the printed circuit board of the power module 50.
- the collar 58 has an extension in this direction, which is greater than the longest extent of each contact of the plug 56th
- a port 60 for a communication bus is disposed on the power module 50.
- the port 60 for the communication bus allows the
- Communication bus can be in the way of plug-and-play both
- Communication module as well as a user interface module, which
- Modular communication module and / or the user interface module supplement, if necessary, to be able to adapt the loading unit 6 to the respective requirements.
- the power module 50 is disposed in a first region of the bottom 20b.
- a fixing means 62 is provided, which consists of comb-like mutually arranged flanges with each other
- the fixing means 62 is formed of two opposing comb-like structures which define an opening 64 in the bottom 20b.
- the fixing means 62 correspond to fixing means 66 of a receiving body 68 for a charging socket 70.
- the charging socket 70 is arranged directly above the opening 64 in the mounted state. Through the opening 64, it is possible from the
- the mounting body 68 For mounting the fastening body 68 on the tub assembly 20, the mounting body 68 with its fixing means 66 to the fixing means 62 so
- pins 72 fix the receiving body 68 to the housing of the tub assembly 20.
- the power module 50 is in the bottom side in the
- Tub assembly 20 is used, as shown in FIG. 6.
- the plug 56 is inserted together with the collar 58 through the bottom-side opening 74.
- the power module 50 is mechanically latched to the housing of the tub assembly 20 and may be floatingly mounted therein. Alternatively or commutatively, it is possible for the main board 34 to be floating in the housing of the docking station 4.
- the floating storage has the advantage that during assembly of the
- Tub assembly 20 on the docking station 4 of the connector 56 can independently align to the socket of the power terminal 42. This increases operability, in particular facilitates installation by a layman.
- the underside of the tub assembly 20 is shown in FIG. It can be seen that the webs 18 protrude from the bottom 20b pioneering the tub assembly 20. Furthermore, the collar 58 can be seen with the plug 56 as it projects through the opening 74.
- the collar 58 is in the assembled state in engagement with the opening 14 a.
- an annular gap 74 which between the socket of the power terminal 42 and a projecting into the interior of the housing of the docking station 4 collar 78 is formed.
- the tub assembly 20 is placed on the docking station 4 and as can be seen from the combination of FIGS. 4 and 7, while the collar 58 slides into the annular gap 76.
- the collar 58 enters the annular gap 76 before a contact of the plug 56 comes into electrical contact with a contact of the socket of the power terminal 42. This prevents it from mounting during assembly
- Tub assembly 20 may come to the docking station 4 to an electric shock.
- the receiving body 68 is such that it receives a variety of
- Charging sockets 70 is set up or in other words, a variety of charging sockets 70 may be equipped with different receiving bodies 68, each fixing means 66 have an equal distance from each other and thus form a single mechanical interface to the fixing means 62. As a result, it is possible for a very wide variety of charging sockets 70 to be installed in one and the same tub assembly 20, as can be seen from FIGS. 8a-c.
- FIG. 8 a shows a receiving body 68 with a CCS charging socket 70
- FIG. 8 b shows a receiving body 68 with a Chademo charging socket 70
- Fig. 8c shows a receiving body 68 with a type 2 charging socket 70th
- the receiving body 68 makes it possible
- the charging sockets 70 do not necessarily have to be electrically connected to the charging connection 52, but can also remain potential-free. In this case, the charging sockets 70 may serve as a "plug garage.”
- the charging outlet 52 may be electrically connected to a charging cable fixedly attached to the housing of the tub assembly 20. The charging cable may be led out in the region of a recess 80 in the side wall of the tub assembly 20.
- the charging socket 70 can be electrically connected to the charging control circuit 54 via the charging connection 52.
- the charging port 52 has three terminals for one phase on a terminal block, another terminal block with two terminals for the
- Neutral conductor and the protective conductor and optionally via a connection socket for a plug present (PP) contact and a pilot conductor (CP) contact.
- PP plug present
- CP pilot conductor
- Tub assembly 20 arranged via pre-assembled cable is the
- Charging socket 70 connected to the respective terminals of the charging outlet 52 and then the receiving body 68 via the pins 72 in the
- the loading unit 6 comprises not only the tub assembly 20 but also the
- Lid assembly 26 may have a variety of controls 82 and / or a shutter 84 on a top. Side of the lid assembly 26, on whose Side edges can be provided locking elements 86, which can engage with the inner side walls of the tub assembly 20 in engagement. As a result, the cover assembly 26 can be mounted on the tub assembly 20.
- the latching elements 86 may be designed such that they can latch on the side walls of the tub assembly 20 and, in particular, can be released non-destructively only when detached from the bottom, starting from the bottom 20b of the tub assembly 20. This prevents the lid assembly 26 from being disengaged from the tub assembly 20 while the tub assembly 20 is still electrically connected to the mains board 34 of the docking station 4.
- the shutter 84 is supported so that it can be moved in a direction of movement 88 to the
- the shutter 84 is spring-loaded via a spring 98 so that it automatically moves into the closed position shown.
- Communication module 90 and a user interface module 92 may be arranged.
- the communication module 90 as well as the user interface module 92 can be mechanically fixed to the cover assembly 26 or its housing.
- the communication module 90 is connected to the via the communication bus
- the communication module 90 includes a non-illustrated
- Fig. 11 shows the arrangement of the communication module 90 as well as the
- User interface module 92 faces the inside of the top wall and is mechanically connected to the housing of lid assembly 26 via click connections 94.
- the communication module 90 is in turn also connected via connections, not shown, with the housing of the cover assembly 26.
- the user interface module 92 is fixed to the inside of the
- Cover assembly 26 allowing accurate positioning of sensors and
- Cover assembly 26 is ensured.
- a display 96 may be arranged as an option in the cover assembly 26 and be controlled via the user interface module 92 and / or the communication module 90.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018112957.2A DE102018112957A1 (de) | 2018-05-30 | 2018-05-30 | Ladeeinheit für Elektrofahrzeuge |
PCT/EP2019/052359 WO2019228679A1 (de) | 2018-05-30 | 2019-01-31 | Ladeeinheit für elektrofahrzeuge |
Publications (1)
Publication Number | Publication Date |
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EP3802200A1 true EP3802200A1 (de) | 2021-04-14 |
Family
ID=65276173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP19702877.2A Pending EP3802200A1 (de) | 2018-05-30 | 2019-01-31 | Ladeeinheit für elektrofahrzeuge |
Country Status (3)
Country | Link |
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EP (1) | EP3802200A1 (de) |
DE (1) | DE102018112957A1 (de) |
WO (1) | WO2019228679A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102021118797A1 (de) | 2021-07-21 | 2023-01-26 | Webasto SE | Vorrichtung und Verfahren zum Laden eines Elektrofahrzeuges |
DE102022125365A1 (de) | 2022-09-30 | 2024-04-04 | Abl Gmbh | Leistungsmodul für eine Ladestation für Elektrofahrzeuge und Ladestation |
DE202022105552U1 (de) | 2022-09-30 | 2023-10-09 | Abl Gmbh | Leistungsmodul für eine Ladestation für Elektrofahrzeuge und Ladestation |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7804274B2 (en) * | 2008-07-21 | 2010-09-28 | Coulomb Technologies, Inc. | Vehicle charging station having a dual position locking door |
DE102009025302B4 (de) * | 2009-06-15 | 2011-07-28 | Rwe Ag, 45128 | Verbindung zwischen Ladestation und Elektrofahrzeug |
NL2004746C2 (en) * | 2010-05-19 | 2011-11-22 | Epyon B V | Charging system for electric vehicles. |
CA2811149A1 (en) * | 2010-09-13 | 2012-03-22 | Addenergie Technologies Inc. | Modular charging station |
DE202011004734U1 (de) * | 2011-04-01 | 2013-12-16 | Tehalit Gmbh | Energiesäule zum Betanken von Elektrofahrzeugen mit Energie |
US8506315B2 (en) * | 2011-11-17 | 2013-08-13 | Schneider Electric USA, Inc. | Docking station for connector for electric vehicle charging station |
US9153980B2 (en) * | 2012-04-13 | 2015-10-06 | Cooper Technologies Company | Portable electric vehicle recharging device |
US20130342165A1 (en) * | 2012-06-20 | 2013-12-26 | Bruce Brimacombe | Networked Universal Electric Vehicle Charging System |
US9914364B2 (en) * | 2014-12-02 | 2018-03-13 | Aerovironment, Inc. | System for charging an electric vehicle (EV) |
-
2018
- 2018-05-30 DE DE102018112957.2A patent/DE102018112957A1/de active Pending
-
2019
- 2019-01-31 WO PCT/EP2019/052359 patent/WO2019228679A1/de unknown
- 2019-01-31 EP EP19702877.2A patent/EP3802200A1/de active Pending
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DE102018112957A1 (de) | 2019-12-05 |
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