WO2015131883A1 - Connecteur enfichable muni d'un ensemble de capteurs - Google Patents

Connecteur enfichable muni d'un ensemble de capteurs Download PDF

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Publication number
WO2015131883A1
WO2015131883A1 PCT/DE2015/100088 DE2015100088W WO2015131883A1 WO 2015131883 A1 WO2015131883 A1 WO 2015131883A1 DE 2015100088 W DE2015100088 W DE 2015100088W WO 2015131883 A1 WO2015131883 A1 WO 2015131883A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
sensors
housing
electrical connection
sensor
Prior art date
Application number
PCT/DE2015/100088
Other languages
German (de)
English (en)
Inventor
Wolfgang Neuhaus
Marco Grinblats
Claus Dr. HELLWIG
Rainer Kolkhorst
Original Assignee
HARTING Automotive 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 HARTING Automotive GmbH filed Critical HARTING Automotive GmbH
Publication of WO2015131883A1 publication Critical patent/WO2015131883A1/fr

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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
    • 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
    • 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
    • B60L53/18—Cables 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 connector with sensor arrangement according to the preamble of independent claim 1.
  • Such connectors are required to transfer electrical power between two devices. Often this is a charger and another device with a rechargeable battery.
  • Connectors intended for charging rechargeable batteries often have to transmit a high current load. For example, electric vehicles require that the charging process be kept as short as possible. This inevitably results in a high current that must be transmitted via such connector.
  • DE 10 2009 034 886 A1 shows a plug-in device for a charging cable for connecting an electric vehicle with a charging station.
  • the plug-in device comprises a housing, the housing zuge- arranged electrical contacts for connection to a connection device in the charging station or in the electric vehicle.
  • a temperature detection means is provided in the housing, which is a thermistor, and via which the temperature in the housing can be evaluated.
  • the temperature detection means that is, the sensor which detects the temperature
  • the temperature detection means is mounted somewhere in the housing.
  • the temperature of the heat-generating component i. the electrical conductor or the electrical contact
  • the temperature of the housing is measured at the point where the sensor is located.
  • the temperature sensor could output an acceptable value, while the housing has already reached a much too high temperature in the area of the electrical contacts.
  • the housing can thus have very different temperatures at different locations, in particular due to different contacting and heating of the connection contacts.
  • the object of the invention is to present a connector with a sensor arrangement for improved temperature measurement. In this case, a reduced number of individually adapted to the connector components is desirable.
  • the connector is a connector which is provided for electrical contact with a connector.
  • the connector may be both a second connector and a female connector.
  • the connector consists of a housing, which preferably consists of an electrically insulating material. It is conceivable both a multi-part, made of two or more sub-housings housing, as well as a one-piece, for example, injection-molded housing appropriate.
  • both a multi-part housing has advantages, such as a simple repair, a reopening of the housing or weight savings. But also have one-piece, injection-molded housing advantages, so they are safer against environmental influences such as moisture and dust, and tamper-proof.
  • electrical connection contacts are provided in the housing of the connector. These are in the housing me- chanically fixed and protrude at least partially out of the housing in the insertion direction. Depending on the type and intended use of the connector this may have two or more electrical connection contacts.
  • a bipolar plug connector is assumed in the following, multi-pin plug connectors being synonymous.
  • the electrical connection contacts with electrical conductors are mechanically and electrically connected. Collectively, the electrical conductors lead out of the connector as cables and are provided for connection of the connector.
  • sensors for temperature measurement are provided in the housing of the connector.
  • the sensors are provided in the same number as electrical connection contacts.
  • a sensor is assigned to an electrical connection contact.
  • the connector has more than two terminals.
  • a three-pole connector which is used for multi-phase charging the battery of an electric car
  • very large temperature differences can occur at the various terminal contacts.
  • An accurate measurement of the individual connection contacts would be of the utmost importance here to switch off individual phases before overheating.
  • the sensors are mounted in direct contact with the electrical connection contacts.
  • the sensors may be in direct contact with the electrical connection contacts or at a very short distance from them.
  • a thin, insulating layer of, for example, paint or a protective film between sensors and electrical connection contacts is conceivable. The distance between the sensors and the electrical connection contacts must only be so low that a good heat transfer is ensured.
  • the sensors may be different types of components. However, it should be some kind of temperature dependent resistor. Thus, by changing the temperature of the electrical connection contacts can be evaluated by the change in the electrical resistance of the sensor.
  • thermistors for use as a temperature-dependent resistor.
  • Another type of sensors according to the invention is the use of coils. Coils of thin enameled wire have proved to be particularly advantageous for this purpose. Useful enameled wire with a particularly high temperature coefficient. As advantageous metals with temperature coefficients over 4.0 * 10 -3 ⁇ -1 have been found. Particularly advantageous nickel has proven with a temperature coefficient of 6.0 * lO -3 ⁇ -1.
  • a coil is placed around the electrical connection contact. Similar to a thermistor, the temperature change of the coil can be determined via an electronic evaluation system. However, since the coil surrounds the electrical connection contact in a form-fitting manner, the heat transfer and thus the measurement accuracy are significantly greater than when using a thermistor, which can be attached only on one side to the electrical connection contact.
  • the signal conductors serve to electrically contact the sensors with an evaluation unit.
  • the signal conductors are led away from the connector together with the electrical conductors in the cable.
  • an evaluation unit in the plug-in Binder conceivable or additional signal contacts. By means of additional signal contacts, the connections of the sensor genes can also be transferred to the connector and evaluated in this.
  • a sensor receptacle is provided in the housing of the connector.
  • the sensor receptacle is also formed as a housing which receives only the sensors and the electrical connection contacts.
  • the contacting of the sensors with the signal conductors is provided in the sensor receptacle.
  • the signal conductors are advantageously soldered to the coils.
  • other types of connections such as screws or terminals are conceivable. Due to the sensor holder, this connection is additionally protected against mechanical influences.
  • the sensor receptacle can be designed both one-piece and multi-part.
  • one-piece, for example injection-molded versions have advantages such as greater manipulation safety, as well as these are safer against mechanical stress acting on conductors and contacts.
  • multi-part designs can, for example, be subsequently changed or repaired more easily. This is especially helpful if, for example, the electrical connection of the signal conductors to the sensors to be changed.
  • the electrical connection of the signal conductors to the sensors may be changed.
  • Fig. 1 is a schematic representation of one of the prior
  • Fig. 2 is a schematic representation of an inventive
  • Fig. 3 is a schematic representation of an inventive
  • Fig. 4 is a two-part sensor receptacle
  • Fig. 5 is a schematic representation of an inventive
  • the connector 1 shows a schematic representation of a known from the prior art connector 1 with a decentralized sensor 4 for measuring and evaluation of the temperature.
  • the connector 1 consists of a housing 2 in which two, electrical connection contacts 3 are added.
  • the electrical connection contacts 3 are used for contacting with a contact partner.
  • the contact partner can be, for example, a mating connector or a junction box.
  • a required electrical power is transmitted from a cable 7 to the contact partner.
  • the cable 7 is mechanically connected to the housing 2 of the connector 1.
  • electrical conductor 5 are mechanically and electrically connected in the housing 2 with the electrical connection contacts 3.
  • the electrical connection contacts 3 are mechanically fastened in the housing 2.
  • the mating side of the electrical connection contacts 3 protrude in the insertion direction out of the housing 2 and form the mating face.
  • the senor 4 is accommodated in the housing 2. This is arranged in the embodiment shown decentralized in the rear region of the housing 2.
  • the sensor 4 is connected to signal conductors 6.
  • the signal conductors 6 are provided to connect the sensor 4 with an evaluation electronics.
  • the signal conductors 6 also lead, like the electrical conductors 5, into the cable 7 and are led away from the connector 1.
  • the housing 2 may have various configurations.
  • a two-part housing is conceivable. Here, all the components are inserted in two housing halves.
  • the housing halves are connected to each other by means of a lock, screw, rivet or other connection technology. By joining the housing halves to a housing 2, the components are held in the housing 2.
  • Another embodiment would be an injection molded housing 2, in which all other components are cast.
  • This construction has the advantage that all components are protected against environmental influences such as moisture.
  • the molded connector 1 is safe against manipulation of third parties, since the housing 2 can not be opened.
  • a disadvantage of this and other arrangements known from the prior art is the decentralized measurement of the temperature by means of the sensor. Heat is mainly generated at the electrical connection contacts 3 or the connection region of the electrical connection contacts 3 to the electrical conductors 5, if large currents are transmitted here.
  • the housing 2 consists of a poor heat-conducting material. It follows disadvantageously that a temperature increase at the electrical connection contacts 3 is registered with high delay at the sensor 4. For example, a temperature which is still within the limit values could be measured at the sensor 4, while a critical temperature has already been exceeded in the area of contact between the electrical connection contacts 3 and the housing 2.
  • FIG. 2 shows a schematic representation of a connector 1 according to the invention with two sensors 4 is shown.
  • the two sensors 4 are not arranged anywhere in the housing 2 in this embodiment.
  • the sensors 4 are attached directly to the electrical connection contacts 3.
  • a sensor 4 is assigned.
  • the sensors 4 are in direct contact with the electrical connection contacts 3.
  • an accurate measurement of the temperatures is possible, which have the electrical connection contacts 3.
  • the temperatures of the electrical connection contacts 3 can also be evaluated individually.
  • the connector 1 has more than two terminal contacts 3.
  • the connector 1 has more than two terminal contacts 3.
  • very large temperature differences at the various terminal contacts 3 occur.
  • a Accurate measurement of the individual connection contacts 3 would be of the utmost importance here to switch off individual phases before overheating.
  • FIG. 3 shows a preferred embodiment of the connector 1 according to the invention as in FIG. 2.
  • the sensors 4 are held directly in the housing 2 or cast in it.
  • An additional sensor receptacle 8 surrounds the sensors 4 and the electrical connection contacts.
  • the sensor receptacle 8 is provided as a separate component in the connector 1.
  • the electrical connection contacts 3 can be mounted with the sensors 4 before this assembly is inserted into the housing 2 or molded around it.
  • the sensor receptacle 8 can be made in one piece as an injection-molded component or in two parts in half-shells. A second embodiment of the sensor receptacle 8 is shown in FIG.
  • the two-part sensor receptacle 8 which consists of a front and a rear housing half.
  • the two housing halves are shown in an exploded view to allow insight into the interior of the Sensoraufappele 8.
  • the two sensors 4 are shown, which are formed in this embodiment as coils. For the sake of clarity, only the coil cores without coil windings are shown in FIG.
  • connection points 10 are provided on three solder lugs for connecting the coils.
  • the coils could also be connected in series or in parallel with only two solder lugs.
  • connection points 10 are each a signal conductor. 6 attached to evaluate the temperature change of the sensors.
  • the coil cores of the sensors 4 each receive one of the electrical connection contacts 3 of the connector 1. Shown here is only the rear of the two electrical connection contacts 3.
  • the coils are designed so that the electrical connection contacts 3 fit exactly into the coil cores. This ensures the best possible, uniform heat transfer from the electrical connection contact 3 to the coil and thus the sensor 4.
  • connection points 10, sensors 4 and signal conductors 6 are mechanically fixed and can be easily mounted in the housing 2 of the connector 1.
  • the signal conductors 6 are not guided into the cable 6, but are connected to signal contacts 9. This particular embodiment is shown schematically in FIG. By means of the signal contacts 9, the terminals of the sensor 4 are also transferred as the electrical connection contacts 3 to a connector.

Landscapes

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

Abstract

L'invention concerne un connecteur enfichable 1 muni d'un ensemble de capteurs, le connecteur enfichable 1 étant composé d'un boîtier 2, d'au moins deux contacts de connexion électrique 3 et d'un ensemble de capteurs destiné à mesurer la température régnant dans le connecteur enfichable 1. Selon l'invention, l'ensemble de capteurs est composé d'au moins deux capteurs 4 qui sont disposés dans le connecteur enfichable 1 d'une façon particulièrement avantageuse. De cette façon, il est possible de garantir une mesure plus exacte, et plus exempte de dérive, de la température intérieure du connecteur enfichable 1.
PCT/DE2015/100088 2014-03-06 2015-03-05 Connecteur enfichable muni d'un ensemble de capteurs WO2015131883A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014102991.7 2014-03-06
DE102014102991.7A DE102014102991B3 (de) 2014-03-06 2014-03-06 Steckverbinder mit Sensoranordnung

Publications (1)

Publication Number Publication Date
WO2015131883A1 true WO2015131883A1 (fr) 2015-09-11

Family

ID=52807473

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2015/100088 WO2015131883A1 (fr) 2014-03-06 2015-03-05 Connecteur enfichable muni d'un ensemble de capteurs

Country Status (2)

Country Link
DE (1) DE102014102991B3 (fr)
WO (1) WO2015131883A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016115678A1 (de) 2016-08-24 2018-03-01 Harting Ag & Co. Kg Steckverbinder mit kontaktaufgelöster Temperaturüberwachung
US11688984B2 (en) 2020-06-23 2023-06-27 Te Connectivity Germany Gmbh High-current contact device and method of producing a high-current contact device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110014920B (zh) * 2017-09-30 2021-11-12 比亚迪股份有限公司 充电装置和充电桩
DE102018211698A1 (de) 2018-07-13 2020-01-16 Volkswagen Aktiengesellschaft Steckverbinder
DE102019111495A1 (de) * 2019-05-03 2020-11-05 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Ladevorrichtung zum Aufladen einer Traktionsbatterie eines Elektrofahrzeugs
GB2605417A (en) * 2021-03-31 2022-10-05 Jaguar Land Rover Ltd Electrical Connector

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WO2002013330A1 (fr) * 2000-08-04 2002-02-14 Manfred Fladung Gmbh Connecteur multibroche electrique
JP2002352635A (ja) * 2001-05-24 2002-12-06 Hitachi Information Technology Co Ltd 温度センサ付き電源コード
WO2009019801A1 (fr) * 2007-08-08 2009-02-12 Fuji Electric Wire Industries Co., Ltd. Cordon d'alimentation
US20090251832A1 (en) * 2008-04-07 2009-10-08 Technology Research Corporation Over heating detection and interrupter circuit
DE102009034886A1 (de) 2009-07-27 2011-02-03 Rwe Ag Ladekabelstecker zur Verbindung eines Elektrofahrzeuges mit einer Ladestation
EP2706628A1 (fr) * 2012-09-11 2014-03-12 Panasonic Corporation Cordon d'alimentation
EP2706627A1 (fr) * 2012-09-11 2014-03-12 Panasonic Corporation Cordon d'alimentation

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JP3985182B2 (ja) * 2000-11-01 2007-10-03 住友電装株式会社 電流センサ付きバッテリターミナル
AT11846U1 (de) * 2010-06-07 2011-05-15 Fronius Int Gmbh Vorrichtung zur lösbaren befestigung eines widerstandes, sowie halbschale und hülse für eine solche vorrichtung
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Publication number Priority date Publication date Assignee Title
WO2002013330A1 (fr) * 2000-08-04 2002-02-14 Manfred Fladung Gmbh Connecteur multibroche electrique
JP2002352635A (ja) * 2001-05-24 2002-12-06 Hitachi Information Technology Co Ltd 温度センサ付き電源コード
WO2009019801A1 (fr) * 2007-08-08 2009-02-12 Fuji Electric Wire Industries Co., Ltd. Cordon d'alimentation
US20090251832A1 (en) * 2008-04-07 2009-10-08 Technology Research Corporation Over heating detection and interrupter circuit
DE102009034886A1 (de) 2009-07-27 2011-02-03 Rwe Ag Ladekabelstecker zur Verbindung eines Elektrofahrzeuges mit einer Ladestation
EP2706628A1 (fr) * 2012-09-11 2014-03-12 Panasonic Corporation Cordon d'alimentation
EP2706627A1 (fr) * 2012-09-11 2014-03-12 Panasonic Corporation Cordon d'alimentation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016115678A1 (de) 2016-08-24 2018-03-01 Harting Ag & Co. Kg Steckverbinder mit kontaktaufgelöster Temperaturüberwachung
US11688984B2 (en) 2020-06-23 2023-06-27 Te Connectivity Germany Gmbh High-current contact device and method of producing a high-current contact device

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