EP4147309A1 - Dispositif de verrouillage, prise de recharge et procédé de vérification du fonctionnement d'un dispositif de verrouillage - Google Patents

Dispositif de verrouillage, prise de recharge et procédé de vérification du fonctionnement d'un dispositif de verrouillage

Info

Publication number
EP4147309A1
EP4147309A1 EP21719917.3A EP21719917A EP4147309A1 EP 4147309 A1 EP4147309 A1 EP 4147309A1 EP 21719917 A EP21719917 A EP 21719917A EP 4147309 A1 EP4147309 A1 EP 4147309A1
Authority
EP
European Patent Office
Prior art keywords
locking element
housing
locking device
connector
locking
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
Application number
EP21719917.3A
Other languages
German (de)
English (en)
Inventor
Dieter PRIES
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Phoenix Contact eMobility GmbH
Original Assignee
Phoenix Contact eMobility GmbH
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 Phoenix Contact eMobility GmbH filed Critical Phoenix Contact eMobility GmbH
Publication of EP4147309A1 publication Critical patent/EP4147309A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • H01R13/6395—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap for wall or panel outlets
    • 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
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • 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
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the invention relates to a locking device for a plug connection and the invention also relates to a charging connection for an electric vehicle, having such a locking device.
  • the invention also relates to a method for checking the function of a locking device.
  • Electric vehicles use electrical energy to drive them. Electric vehicles are usually charged at charging stations via a cable connection. For example, in Directive 2014/94 / EU of the European Union, it is required that every charging station with more than 3.7 kW alternating current charging power, AC, should have a connection in accordance with IEC 62196 Type 2. Furthermore, every charging station with more than 22 kW direct current charging power, DC, should have a connection according to the Combined Charging System, CCS. In other geographic regions, differently configured connections can also be used. In North America, for example, the connections described as Type 1 in the IEC 62196-2: 2011 standard are often used.
  • the plug connection for example the charging plug in the charging socket
  • a locking element which can also be referred to as a locking pin or a pin
  • the locking element can thereby lock a corresponding connector plugged into the plug connector, such as a charging plug plugged into the charging socket, in the charging socket.
  • the locking element is often moved by means of an electromechanical actuator.
  • Such a locking device which can be arranged directly on a housing of a connector or in the vicinity of the connector, is described, for example, in DE 102018 114205 A1.
  • an interlock is required to prevent the charging circuit from being interrupted under load.
  • the locking is described in DIN EN 62196-1 / -2 / -3 and determined by IEC 61851-1.
  • Such a lock is also often used to secure the components required for charging against theft, for example even when the charging process has already been completed and the charging cable is still plugged into the electric vehicle or the charging station.
  • locking elements are known in the prior art which have a step at one end area that moves against an edge on the charging plug.
  • DE 10 2011 056 558 A1 describes a locking device in which a locked position of the locking element is monitored.
  • the locking element does not reach its target position or overruns the target position. For example, based on this, the charging process can be interrupted or not started at all.
  • DE 10 2011 056 558 A1 also describes a test plug element with a recess designed as a blind hole that can be inserted into the connector in order to determine the presence and function of an undamaged locking element.
  • test plug element The determination by means of a test plug element described in the prior art, however, has the disadvantage that a functional check can only be carried out by manually inserting the test plug element. If the user does not have the test plug-in element at hand or if he forgets to carry out a regular check, a defective locking element is not recognized and a danger for the user can arise as a result.
  • the object of the present invention is to provide an improved concept for checking the function of a locking device. This object is achieved by an object with the features of claim 1.
  • a locking device for a plug connection comprising: a plug connector, comprising a housing for connection to a corresponding plug connector; an actuator and a locking element, wherein the actuator is arranged on the housing and is adapted to move the locking element in a region of the housing into a function test position, wherein in the function test position an end region of the locking element rests on a stop surface of the housing; and an evaluation means, adapted to recognize an actual position of the locking element and to compare the actual position of the locking element with a target position of the function test position, for recognizing a deviation from the target position.
  • the connector can, for example, be arranged as a charging socket at the end of a charging cable, or be arranged directly on an electric vehicle and can also be adapted to be connected to a charging cable via a corresponding corresponding connector, which can be designed as a charging plug and can be plugged into the charging socket to become.
  • the charging socket can be a type 2 or Combo 2 charging socket, for example.
  • the charging socket can also be a charging socket according to other known types, such as, for example, a charging socket according to the GB / T standard, the CCS1 standard or according to type 1, as already described above.
  • the actuator can be designed to convert an electrical signal into a mechanical movement, for example into a translational movement.
  • the locking element which can be configured as a locking pin or as a pin, is in examples mechanically connected to the actuator in order to be able to be moved mechanically along an axis.
  • the actuator can be arranged on the housing in such a way that the locking element can be moved through an opening in the housing of the connector into a further opening or recess along the axis in a corresponding connector located in the connector, for example a charging plug.
  • the actuator in normal operation, can be adapted to move the locking element from an “unlocked position” in which the corresponding Plug-in connector can be inserted into the plug-in connector into a "locked position".
  • the locked position at least one end region of the locking element can be introduced into the further opening or recess along the axis of the corresponding connector located in order to thus lock the two connectors to one another.
  • the “end region of the locking element” can be understood to mean a tip of the locking element or an area at the tip of the locking element.
  • the tip or the area can be brought into the housing by the actuator.
  • a “function test position” can be understood to mean a position that lies behind the locked position on a distance from the unlocked position to the locked position.
  • a “function test position” can also be understood as a position that corresponds to a maximum retraction of the locking element into the housing, namely until the end region of the locking element rests on a stop surface of the housing and can no longer be moved further in the direction of the housing.
  • the stop surface can be a surface of the housing, for example a surface of the “plug face” of the connector.
  • the evaluation means can be arranged in the actuator, and for example by means of a sensor, which can be designed as a touch sensor and can detect a specific point along the direction of extension of the locking element, or the actual position of the locking element by detecting a number of revolutions of a motor in the actuator capture.
  • a sensor which can be designed as a touch sensor and can detect a specific point along the direction of extension of the locking element, or the actual position of the locking element by detecting a number of revolutions of a motor in the actuator capture.
  • actual position can be understood to mean a position at which a known area of the locking element, or the end area of the locking element, is actually located when the position is determined.
  • the associated “target position” can be the function test position, ie a known position where the locking element can no longer be moved because the locking element comes to rest on the stop surface.
  • the recognized actual position should also correspond to this specific position during a function test, or be in a predetermined area around this specific position.
  • a test can be understood here in which the function of an undamaged locking element is determined or damage to the locking element is determined.
  • a damaged locking element can be recognized, for example, when the function test position is passed, that is, the target position no longer corresponds to the actual position. For example, if the locking element has broken off. This means that the “shorter” locking element can be moved further into the housing. As a result, a longer travel path is necessary until the end region of the locking element comes to rest on the stop surface of the housing.
  • a function check can be carried out reliably in order to identify a faulty locking element, even without introducing test plug-in elements.
  • the evaluation means is adapted to
  • a tolerance range can be used here to denote a range around the target position of the function test position, which, depending on the specific application, can be, for example, in a range of up to ⁇ 10% around the target position of the function test position.
  • the warning message can be transmitted by means of a signal to a computing unit, for example to a computing unit of a charging station or an electric vehicle, in order to stop the charging process or not to start it at all.
  • the stop surface is formed in one piece with the housing, in particular the stop surface comprises a region of a mating face of the connector.
  • the housing with the stop surface can be formed in one piece from a plastic.
  • the stop surface here can be part of an opening or an undercut into which a housing ring of the corresponding plug connector can be introduced.
  • the locking element is designed in the shape of a pin.
  • Such a pin-shaped locking element can easily be introduced into a corresponding recess in a housing of the corresponding plug connector in order to lock the corresponding plug connector in the plug connector during a charging process.
  • the end region of the locking element can also have a conical shape in order to enable the locking element to be introduced more easily.
  • the locking element has a step at the end area for resting at least in areas on an area of the corresponding plug connector.
  • gradation can also be used to describe a projection. Furthermore, the gradation can be an area on the locking element which comes to rest around the recess on the housing of the corresponding plug connector in a locked position.
  • the evaluation means has a sensor means, in particular a touch sensor, for detecting a position of the locking element.
  • the pushbutton sensor can be designed as a pushbutton switch with a pushbutton ball which can slide on a sliding surface along the course of the locking element in the direction of displacement and can engage in at least one recess in the sliding surface for position detection.
  • the actuator is adapted to move the locking element between an unlocked position and a locked position.
  • the actuator in normal operation, can be adapted to move the locking element from an “unlocked position”, in which the corresponding connector can be inserted into the connector, into a “locked position”.
  • the locked position at least the end region of the locking element can be introduced into the recess of the housing of the corresponding plug connector in order to thus lock the two plug connectors to one another.
  • the unlocked position can be located before the locked position and the function test position can be located in the direction of displacement after the locked position.
  • the housing is designed as a socket housing, in particular as a charging socket for charging an electric vehicle.
  • the housing can be on a charging cable that is connected to a charging station.
  • the housing can also be located on the electric vehicle.
  • the invention also relates to a charging connection for an electric vehicle, having a locking device as described herein.
  • the charging connection can be located on a charging cable of a charging station, or it can be located on the electric vehicle.
  • the charging connection can have the features described with regard to the locking device.
  • the invention further relates to a method for checking the function of a locking device, in particular a locking device described herein, comprising:
  • the method comprises the step:
  • the method comprises the step:
  • the method can be carried out by a computing unit, for example a computing unit of a charging station. After each charging process and after the plug connection has been disconnected, the computing unit can carry out the previously described method for a functional test in order to detect a defect in the locking element before another charging process is started.
  • the functional test can also be carried out at specific intervals, for example after every second or third charging process or at specific times, for example once a week or once a month.
  • Fig. 1 is a plan view of a locking device according to a
  • FIG. 2 shows a view of a housing of a plug connector according to an embodiment
  • FIG. 3 shows a front view of a locking device according to an embodiment
  • 4A, 4B show sectional views through a locking device in a locked position and in a test position in a functioning state
  • Figure 1 shows a plan view of a locking device 1 according to one embodiment.
  • the locking element is coupled to an actuator 9 and can be moved by means of the actuator 9. Furthermore, a corresponding plug connector 5 is shown in FIG.
  • Figure 2 shows a view of a housing 7 of a connector 3 according to one embodiment.
  • Figure 3 shows a front view of a locking device 1 according to an embodiment.
  • the locking device shown in Figure 3 has a housing 7 of a connector 3 according to the combined charging system.
  • the locking device 1 with the actuator 9 is shown.
  • the locking element 11 is shown, which can be moved through an opening in the housing 7 of the plug connector 3 along an axis which also corresponds to the section line A-A shown.
  • FIG. 4A shows a sectional view through a locking device 1 in a locked position, in which the connector 3 is connected to a corresponding connector 5.
  • the sectional view shown of the locking device 1 is along the section line A-A previously shown in FIG.
  • the locking element 11 extends through an opening in the housing 7 of the connector 3 through a further opening in a housing of the FIG the connector 3 located corresponding connector 5, in order to thus lock the two connectors 3, 5 together.
  • the connector 3 is shown as a charging socket and the corresponding connector 5 is shown as a charging plug.
  • the plug connector can also be designed as a charging plug and the corresponding plug connector can be designed as a charging socket.
  • the locking element 11 has a step 13 at the end area 15 in the direction of the corresponding plug connector 5, for at least partially resting on an area of the corresponding plug connector 5. As shown, the area of the locking element 11 comes with the step 13, in the locked position, around the recess on the housing of the corresponding connector 5 to rest.
  • FIG. 4B shows a sectional view through the previously shown locking device 1 without the corresponding plug connector.
  • the locking element 11 is in the function test position.
  • the end region 15 of the locking element 11 rests on a stop surface 17 of the housing 7.
  • the end region 15 is formed by an end face of the locking element 11.
  • the stop surface 17 is a surface of the housing 7 and is shown in FIG. 4B as the surface of the “plug face” of the connector 3.
  • the locking element 11 is inserted or retracted maximally into the housing 7, namely until the end region 15 of the locking element 11 rests on the stop surface 17 of the housing 7 and can no longer be moved in the direction of the housing 7.
  • FIG. 5A shows a sectional view through a locking device 1 in a locked position, in which the connector 3 is connected to a corresponding connector 5.
  • the sectional view shown in FIG. 5A is also a view along the section line AA shown in FIG.
  • the locking element 11 is shown in a damaged state. As shown, the end region of the locking element 11 is at least partially broken off, so that the corresponding connector 5 is not locked to the connector 3, even if the locking element 11 is in the “locked position”.
  • FIG. 5B shows a sectional view through the locking device 1 previously shown in FIG. 5A without the corresponding plug connector.
  • the locking element 11 is in the function test position.
  • the damaged locking element 11 can be recognized by the fact that the target position of the function test position is exceeded, that is to say that the target position and the actual position do not match.
  • the “shorter” locking element 11 shown in FIG. 5B can be moved further into the housing 7. As a result, a longer travel path is necessary until the broken end region of the locking element 11 comes to rest on the stop surface 17 of the housing 7.
  • FIGS. 6A and 6B show isometric views of connectors 3 together with corresponding connectors 5 according to different embodiments.
  • a plug connector 3 and a corresponding plug connector 5 according to the combined charging system are shown and in FIG. 6B a plug connector 3 and a corresponding plug connector 5 according to type 2 without DC contacts.
  • the associated side views are shown in FIGS. 7A and 7B, each with an opening for introducing a locking element (not shown).
  • An evaluation means 19 is also shown in FIGS. 7A and 7B.
  • the evaluation means can also be arranged directly on the actuator or in a computing unit. LIST OF REFERENCE NUMERALS 1 locking device

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

L'invention concerne un dispositif de verrouillage (1) pour une connexion enfichable, comprenant : - un connecteur enfichable (3) comprenant un boîtier (7) destiné à être relié à un connecteur enfichable correspondant ; - un actionneur (9) et un élément de verrouillage (11), l'actionneur (9) étant disposé sur le boîtier (7) et étant conçu pour amener l'élément de verrouillage (11) dans une position d'essai de fonctionnement dans une zone du boîtier (7), une zone d'extrémité (15) de l'élément de verrouillage (11) appuyant contre une surface de butée (17) du boîtier (7) lorsque l'élément de verrouillage se trouve dans ladite position d'essai de fonctionnement ; et - un moyen d'évaluation (19) qui est conçu pour détecter une position réelle de l'élément de verrouillage (11) et pour comparer la position réelle de l'élément de verrouillage avec une position théorique de la position d'essai de fonctionnement, afin de détecter un écart par rapport à la position théorique. L'invention concerne en outre une prise de recharge pour un véhicule électrique et un procédé pour vérifier le fonctionnement d'un dispositif de verrouillage (1).
EP21719917.3A 2020-05-06 2021-04-22 Dispositif de verrouillage, prise de recharge et procédé de vérification du fonctionnement d'un dispositif de verrouillage Pending EP4147309A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE20205301A BE1028275B1 (de) 2020-05-06 2020-05-06 Verriegelungseinrichtung
PCT/EP2021/060498 WO2021224013A1 (fr) 2020-05-06 2021-04-22 Dispositif de verrouillage, prise de recharge et procédé de vérification du fonctionnement d'un dispositif de verrouillage

Publications (1)

Publication Number Publication Date
EP4147309A1 true EP4147309A1 (fr) 2023-03-15

Family

ID=70680151

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21719917.3A Pending EP4147309A1 (fr) 2020-05-06 2021-04-22 Dispositif de verrouillage, prise de recharge et procédé de vérification du fonctionnement d'un dispositif de verrouillage

Country Status (3)

Country Link
EP (1) EP4147309A1 (fr)
BE (1) BE1028275B1 (fr)
WO (1) WO2021224013A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4309947A1 (fr) * 2022-07-19 2024-01-24 Andrew Kemal Adaptateur de chargeur de véhicule électrique et procédé de charge d'un véhicule électrique
EP4436232A2 (fr) * 2022-07-19 2024-09-25 Andrew Kemal Adaptateur de chargeur de véhicule électrique et procédé de charge d'un véhicule électrique
DE102022129673A1 (de) 2022-11-10 2024-05-16 Bayerische Motoren Werke Aktiengesellschaft Stecker und Lademulde für einen elektrisch antreibbaren Kraftwagen
CN118156897A (zh) 2022-12-05 2024-06-07 凯毅德汽车系统(常熟)有限公司 用于电气插接机构的闭锁设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011056558B4 (de) 2011-02-17 2018-03-01 Küster Holding GmbH Sicherungsvorrichtung für eine elektrische Steckverbindung, elektrische Steckverbindungsvorrichtung sowie Verfahren zum Überprüfen der Funktionsfähigkeit einer Sicherungsvorrichtung
CN103702859A (zh) * 2011-10-25 2014-04-02 住友电装株式会社 车辆用充电装置
DE102017123207A1 (de) * 2017-10-06 2019-04-11 Kiekert Ag Elektrische Anschlussvorrichtung
DE102018114205A1 (de) 2018-06-14 2019-12-19 Kiekert Ag Verriegelungsvorrichtung für eine elektrische ladevorrichtung eines kraftfahrzeuges

Also Published As

Publication number Publication date
BE1028275A1 (de) 2021-12-03
BE1028275B1 (de) 2021-12-06
WO2021224013A1 (fr) 2021-11-11

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