WO2025002500A1 - Set zur herstellung eines ladesteckverbinders für elektro- und hybridfahrzeuge - Google Patents
Set zur herstellung eines ladesteckverbinders für elektro- und hybridfahrzeuge Download PDFInfo
- Publication number
- WO2025002500A1 WO2025002500A1 PCT/DE2024/100471 DE2024100471W WO2025002500A1 WO 2025002500 A1 WO2025002500 A1 WO 2025002500A1 DE 2024100471 W DE2024100471 W DE 2024100471W WO 2025002500 A1 WO2025002500 A1 WO 2025002500A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- charging
- pair
- contacts
- charging contacts
- contact
- 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.)
- Ceased
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
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
-
- 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
-
- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for 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 set for producing a charging connector for electric and hybrid vehicles, with a housing and a pair of charging contacts for contacting the corresponding charging contacts of a corresponding charging connector.
- Electric and hybrid vehicles have a rechargeable energy storage device, usually a high-voltage battery, which provides energy to an electric drive motor when driving. The storage capacities of these high-voltage batteries are limited, so they have to be regularly recharged at a charging station.
- the battery is charged via a charging cable provided between the charging station and the vehicle, whereby the charging cable is provided, for example, in accordance with the European standard IEC 62196 Type 2, with a charging plug on one side that can be plugged into a charging socket provided on the charging station, and on the other side with a charging coupling that can be connected to a charging plug installed in the electric and hybrid vehicle.
- charging sockets, charging plugs, charging couplings and charging plugs are subsumed under the term "charging connector”.
- Charging sockets and charging couplings are provided with charging contacts, which in turn have contact sleeves as contact elements, and charging plugs and charging plugs that can be installed in electric and hybrid vehicles have contact pins as contact elements that can be plugged into the contact sleeves.
- the charging device of an electric or hybrid vehicle comprises the charging station with charging cable as well as the charging station-side or vehicle-side charging connectors with electrical 2 May 14, 2024 Kiekert AG ical lines that, in the case of the vehicle-side charging connector, lead from the charging connector to the vehicle's battery.
- the charging connectors themselves can be designed in different ways. In particular, the distances between the contact elements and the distances between the charging contacts are not always uniform. One such case is, for example, with charging connectors according to the standards SAE J1772, also known as Combo Charging Standard Type 1 (CCS1), and the European standard IEC 62196 Type 2, also known as Combo Charging Standard Type 2 (CCS2). Both standards describe requirements for the distances between the contact elements of the charging contacts, which differ from one another.
- a charging connector according to the IEC 62196 Type 2 standard which can be a charging plug that can be installed in an electric or hybrid vehicle, is not compatible or cannot be coupled with a corresponding charging coupling according to the SAE J1772 standard.
- the object of the present invention is to provide a set for producing charging connectors with which the compatibility of the charging connectors is expanded. This object is solved by the subject matter of the independent claims. Preferred developments of the invention are described in the subclaims.
- a set for producing a charging connector for electric and hybrid vehicles with a housing, a first pair of charging contacts for contacting corresponding charging contacts of a corresponding charging connector and a second pair of charging contacts for contacting corresponding charging contacts of a corresponding charging connector, wherein the charging contacts each have a contact element, wherein the contact elements are all either at least partially cylindrical contact pins or contact sleeves with a respective at least partially cylindrical bore, the housing has a pair of receptacles for receiving either the first pair of charging contacts or the second pair of charging contacts, and the charging contacts of the first pair and the charging contacts of the second pair are designed such that the center axes of the contact elements of the first pair are further apart from one another in a state arranged in the receptacles than the center axes of the contact elements of the second pair in a state arranged in the receptacles.
- a receptacle means an opening in the housing of the charging connector, which is designed to accommodate the charging contacts in such a way that the charging contacts are arranged in a fixed position in the housing of the charging connector.
- the charging contacts are introduced into the receptacles during production, which then accordingly enclose the charging contacts and hold them in place in the housing of the charging connector.
- the first pair of charging contacts can 4 May 14, 2024 Kiekert AG contacts or the second pair of charging contacts are arranged in the receptacles so that the charging contacts are spaced apart from one another accordingly.
- An essential aspect of the invention here is that such a procedure avoids producing different housing types and charging connectors that can only be intended for electric or hybrid vehicles in a specific country or region of the corresponding combo charging standard type.
- Other design features of the charging connectors such as cooling devices, heat storage or sensor arrangements, do not have to be rearranged and designed due to otherwise essential changes to the housings of the charging connectors.
- the charging contacts can be arranged in a housing that is always uniform and has identical dimensions regardless of the requirements for the spacing of the contact elements of the charging contacts.
- the contact elements are to be understood as part of the charging contacts, which can be electrically connected to the corresponding contact elements, so that a current can be transmitted from a charging connector to a corresponding charging connector.
- the contact elements are designed as contact pins or contact sleeves that are at least partially cylindrical and have a bore that is at least partially cylindrical. So that a charging current can be transmitted, the contact pins are designed so that they can be inserted into the contact sleeves.
- the center axis of the contact element refers to the part of the element that is at least partially cylindrical, so that the center axis is either coaxial to a center of the 5 May 14, 2024 Kiekert AG bore of the contact sleeve or a center of the tip of the contact pin.
- a property of the present charging contact with contact element is that the arrangement of charging contact and contact element does not necessarily have to be rotationally symmetrical.
- the charging contact without contact element is generally rotationally symmetrical.
- the center axis of the contact element itself is to be viewed separately from the axis of symmetry of the charging contact and does not have to coincide with it.
- a corresponding charging connector in this case, this means on the one hand a charging connector that has the same plug face as the charging connector, whereby one plug face has contact pins if the other plug face has contact sleeves, and vice versa.
- the charging connector and the corresponding charging connector can therefore be plugged together.
- we also speak of a corresponding charging connector if the plug faces in the aforementioned sense only partially correspond, i.e. the corresponding charging connector, for example, does not have all the contacts that are present in the charging connector.
- the contact elements of the charging contacts it is not necessary for the contact elements of the charging contacts to be equally spaced from one another. Rather, it is sufficient if the existing contacts of the corresponding charging connector correspond to the charging connector in terms of the plug face, so that the charging connector and the corresponding charging connector can be plugged together. Such a case occurs, for example, with a charging coupling connected to a charging cable for direct current charging according to the 6 May 14, 2024 Kiekert AG European standard IEC 62196 Type 2.
- Such a charging coupling can be plugged into a charging plug that is built into the body of an electric or hybrid vehicle and is suitable for AC charging as well as DC charging, whereby only the communication contacts and the protective contact are present in the AC plug face of the DC charging coupling, but no contacts for the outer conductor and a center conductor for AC charging.
- the provision of two sets of charging contacts enables a combo charging standard type 1 charging coupling connected to a charging cable in accordance with the SAE J1772 standard to be plugged into a combo charging standard type 2 charging plug that is built into the body of an electric or hybrid vehicle and is suitable for AC charging as well as DC charging in accordance with the European standard IEC 62196 Type 2, whereby the second pair of charging contacts is arranged in the receptacles in the charging plug.
- such contacts are referred to as direct current charging contacts, which are intended exclusively for charging with direct current.
- Direct current charging contacts are arranged separately laterally next to one another under the alternating current charging contacts in both combo charging standard type 2 and combo charging standard type 1 charging connectors.
- alternating current charging contacts In contrast to direct current contacts, there are alternating current charging contacts. This refers to the outer conductors and the neutral conductor (center conductor), which are also intended for charging with alternating current.
- An outer conductor also colloquially referred to as a phase
- a neutral conductor is a conductor that is electrically connected to the neutral point and is able to contribute to the distribution of electrical energy.
- the contacts which are referred to here as alternating current charging contacts, are designated L1, L2 and L3 (outer conductors) and N (neutral conductor), and the direct current charging contacts are designated DC+ and DC-.
- the receptacles and at least one pair of charging contacts each have such a fit that the pair of charging contacts can only be accommodated in the receptacles in a single orientation.
- a single orientation here is understood to mean the positioning of the charging contacts at a certain angle in the receptacles with respect to a rotation around the axis of symmetry of the charging contacts. This is intended to ensure that a predetermined distance between the contact elements can be achieved during assembly.
- the charging contacts and the receptacles can be designed in such a way that error protection with regard to the orientation of the charging contacts in the receptacles is provided in the form of a Poka-Yoke design.
- Poka Yoke refers to a principle consisting of several elements, which includes technical precautions or devices for the immediate detection and prevention of errors.
- Poka Yoke is similar to a key-lock principle: only if a suitable counterpart is used can the function protected by Poka Yoke be activated, i.e. the correct orientation can be adopted here.
- various types of error protection can be implemented here.
- the charging contacts with the fit or the holders each have a groove in which a corresponding extension formed in the respective holder or in the charging contact with the fit can be received.
- the charging contacts with the fit and the receptacles are each flattened on a section of the circumference, so that corresponding mating surfaces are created.
- the fit and the mating surfaces are designed in such a way that only charging contacts intended for this purpose can be arranged in the receptacles provided for this purpose in one orientation.
- the fit here refers to the respective shapes of the charging contact, which are fitted in the receptacles with corresponding negatives, which can be mating surfaces, extensions, grooves or recesses of the respective shapes.
- the contact elements can be spaced apart from one another by different distances. According to a preferred development of the invention, however, it is provided that the central axes of the contact elements of the first pair of charging contacts are in a 9 May 14, 2024 Kiekert AG the receptacles are spaced 27 mm apart and the center axes of the contact elements of the second pair of charging contacts are spaced 26 mm apart when arranged in the receptacles.
- the charging connector with the first pair of charging contacts arranged in the receptacles to be coupled to corresponding charging connectors of the Combo Charging Standard Type 1 and for the charging connector with the second pair of charging contacts arranged in the receptacles to be coupled to corresponding charging connectors of the Combo Charging Standard Type 2.
- the contact elements of the second pair of charging contacts are arranged eccentrically, the charging contacts can be accommodated in the receptacles in two orientations and the contact elements in a second orientation of the charging contacts in the receptacles are further apart from one another than in the first orientation. This makes it possible to achieve both distances with a pair of charging contacts in different orientations.
- the first orientation preferably differs by 180° from the second orientation, so that the center axes of both contact elements lie in the same plane as the axes of symmetry of the charging contacts. It is possible to arrange the holes in the charging contacts in different ways. According to a preferred development of the invention, however, it is provided that the charging contacts are contact sleeves with holes in which corresponding contact pins can be accommodated, and the holes of at least one pair of charging contacts are arranged eccentrically in the respective charging contact.
- the center axis of the hole is therefore 10 May 14, 2024 Kiekert AG not arranged coaxially with the axis of symmetry of the charging contact, but runs at a distance parallel to the axis of symmetry.
- Fig. 1 shows a charging connector according to a preferred embodiment of the invention in a perspective view
- Fig. 2 shows a connector corresponding to the connector from Fig. 1
- Fig. 3 shows the charging connector from Fig. 1 in a side view
- Fig. 4a shows a first pair of charging contacts in a housing of the charging connector
- Fig. 4b shows a second pair of charging contacts in a housing of the charging connector
- Fig. 5 shows the installation of a charging connector according to a preferred embodiment on the body of an electric or hybrid vehicle.
- Fig. 1 shows a perspective view of a charging connector 1 according to a preferred embodiment of the invention.
- This is a charging plug for installation in the vehicle body 17 of an electric or hybrid vehicle 16, as shown schematically in Fig. 5.
- the present charging connector 1 is essentially and in terms of its plug face a charging plug according to the European standard IEC 62196 Type 2.
- the charging connector 1 has two DC charging contacts 2 for direct current charging.
- the charging connector 1 can be coupled to a corresponding charging connector 4, which is shown in Fig. 2. This is a charging coupling that can be attached to a charging cable and can be plugged into the charging plug.
- the charging coupling shown here as an example is one for direct current charging and therefore has corresponding direct current charging contacts 3, a protective contact and communication contacts.
- the corresponding charging connector 4 has contact elements 5 on the corresponding charging contacts 3, which are designed as contact sleeves. These contact elements 5 are spaced 26 mm apart from one another.
- the charging connector shown in Fig. 3 can be provided with a first pair 11 of charging contacts 2 or with a second pair 13 of charging contacts 2 in receptacles 9.
- the first pair 11 of charging contacts 2 has an axis of symmetry 14 of the charging contacts 2 coaxial with a center 12 May 14, 2024 Kiekert AG axis 12 of the contact elements 5 coincides and the contact elements 5, which in this case are designed as contact pins that can be inserted into the contact sleeves, are 27 mm apart.
- the charging connector 1 in Fig. 3 is, however, designed with the second pair 13 of charging contacts 2 in the receptacles 9.
- the contact elements 5 are arranged with their central axis 12 eccentrically relative to the respective axes of symmetry 14. As a result, the contact elements are 526 mm apart so that the corresponding charging connector 4 can be plugged into the charging connector 1.
- Fig. 4b shows the first pair 11 charging contacts 2 in the receptacles 9 of the housing 6 of the charging connector 1.
- the contact elements 5 are spaced apart from one another in an orientation by 27 mm by the groove 8 formed in the charging contacts 2 and the extension 10 of the receptacle 9 fitted into the housing side.
- Fig. 4b shows the first pair 11 charging contacts 2 in the receptacles 9 of the housing 6 of the charging connector 1.
- the contact elements 5 are spaced apart from one another in an orientation by 27 mm by the groove 8 formed in the charging contacts 2 and the extension 10 of the receptacle 9 fitted into the housing side.
- the second pair 13 charging contacts 2 with a further Poka-Yoke variant are spaced apart from one another in an orientation by 26 mm by corresponding fitting surfaces 7.
- the axis of symmetry 14 and the central axis 12 lie in one plane and run parallel to each other.
- This further Poka-Yoke variant is not compatible with the Poka-Yoke variant shown above.
- a set according to the invention consisting of a first 13 May 14, 2024 Kiekert AG Pair 11 and a second pair 13 charging contacts 2 can accordingly only have one of the two variants shown above.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202480042946.6A CN121399806A (zh) | 2023-06-26 | 2024-05-22 | 用于制造用于电动车辆以及混合动力车辆的充电插接器的套件 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102023116755.3A DE102023116755A1 (de) | 2023-06-26 | 2023-06-26 | Set zur Herstellung eines Ladesteckverbinders für Elektro- und Hybridfahrzeuge |
| DE102023116755.3 | 2023-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2025002500A1 true WO2025002500A1 (de) | 2025-01-02 |
Family
ID=91582131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2024/100471 Ceased WO2025002500A1 (de) | 2023-06-26 | 2024-05-22 | Set zur herstellung eines ladesteckverbinders für elektro- und hybridfahrzeuge |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN121399806A (de) |
| DE (1) | DE102023116755A1 (de) |
| WO (1) | WO2025002500A1 (de) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180248275A1 (en) * | 2015-12-25 | 2018-08-30 | Fujikura Ltd. | Charging connector and method of manufacturing charging connector assembly |
| US20220396162A1 (en) * | 2021-06-10 | 2022-12-15 | Te Connectivity Germany Gmbh | Adapter System for Electrical Connection of a Connector of a Cabling to Different Contact Arrangements of Different Charging Sockets |
| WO2023036567A1 (de) * | 2021-09-10 | 2023-03-16 | Auto-Kabel Management Gmbh | Ladebuchse, steckverbinder, sowie system aus ladebuchse und steckverbinder für hochspannungsanwendungen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101506015B1 (ko) * | 2013-12-06 | 2015-03-31 | 이진국 | 전기차용 충전장치 |
-
2023
- 2023-06-26 DE DE102023116755.3A patent/DE102023116755A1/de active Pending
-
2024
- 2024-05-22 CN CN202480042946.6A patent/CN121399806A/zh active Pending
- 2024-05-22 WO PCT/DE2024/100471 patent/WO2025002500A1/de not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180248275A1 (en) * | 2015-12-25 | 2018-08-30 | Fujikura Ltd. | Charging connector and method of manufacturing charging connector assembly |
| US20220396162A1 (en) * | 2021-06-10 | 2022-12-15 | Te Connectivity Germany Gmbh | Adapter System for Electrical Connection of a Connector of a Cabling to Different Contact Arrangements of Different Charging Sockets |
| WO2023036567A1 (de) * | 2021-09-10 | 2023-03-16 | Auto-Kabel Management Gmbh | Ladebuchse, steckverbinder, sowie system aus ladebuchse und steckverbinder für hochspannungsanwendungen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN121399806A (zh) | 2026-01-23 |
| DE102023116755A1 (de) | 2025-01-02 |
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