EP4594717A1 - Leiterplatte zum einbau in einen ladesteckverbinder für ein elektro- oder hybridfahrzeug - Google Patents
Leiterplatte zum einbau in einen ladesteckverbinder für ein elektro- oder hybridfahrzeugInfo
- Publication number
- EP4594717A1 EP4594717A1 EP23800733.0A EP23800733A EP4594717A1 EP 4594717 A1 EP4594717 A1 EP 4594717A1 EP 23800733 A EP23800733 A EP 23800733A EP 4594717 A1 EP4594717 A1 EP 4594717A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit board
- thermal
- electrical connection
- charging
- temperature
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/16—Special arrangements for conducting heat from the object to the sensitive element
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/36—Temperature of vehicle components or parts
-
- 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
-
- 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
Definitions
- the invention relates to a circuit board for installation in a charging connector for an electric or hybrid vehicle, with a plurality of thermal connection areas, with which a charging contact of the charging connector can be thermally contacted, electrical connection points for a plurality of temperature sensors for detecting the temperature at a thermal connection area or temperature prevailing at several thermal connection areas and an interface for outputting a temperature signal or a plurality of temperature signals.
- Charging connectors for electric and hybrid vehicles are subject to legal and user-specific requirements regarding the temperature monitoring of AC and DC charging contacts.
- a temperature measurement is usually required on both DC charging contacts.
- a component suitable for temperature measurement usually an NTC resistor, is brought as close as possible to the heat source, i.e. the charging contact, in order to enable real-time temperature monitoring for charging optimization and safety monitoring.
- An NTC resistor is a resistor that is used in electronic components. It is also known as a thermistor or hot conductor.
- the abbreviation “NTC” stands for “negative temperature coefficient” and describes the property of hot conductors to conduct electricity better as the temperature increases because they have a negative temperature coefficient.
- a PTC resistor also called a PTC thermistor (“positive temperature coefficient”), is also a temperature-sensing dependent resistance, which, however, conducts electrical current better at low temperatures than at high temperatures.
- NTC element enables a real temperature measurement
- PTC element usually has a non-linear resistance behavior above a threshold temperature and can therefore be used to signal when a critical temperature has been exceeded.
- PTC elements can therefore be used to implement a type of "safety" by returning a suddenly changing value to a reading system when the critical temperature has been exceeded.
- a real temperature measurement or only a detection of the exceedance of a temperature threshold is required. This can be required either for all AC charging contacts (e.g. L1, L2, L3 and N for connectors in accordance with the European standard IEC 62196 Type 2), separately for each AC charging contact, or bundled, i.e. for all AC charging contacts together. This requires different circuit boards to carry and electrically connect one or more temperature sensors at different locations.
- DE 10 2015 106 251 A1 describes a temperature monitoring device with a support element that extends flatly along a plane and has at least one opening.
- the carrier element can be designed as a circuit board.
- the contact elements are components of a contact assembly that can be attached to the plug insert as a modular unit.
- the contact assembly has a temperature monitoring device with a carrier element.
- the temperature monitoring device serves to detect any inappropriate contact elements that are used to transmit large currents during operation of the connector part. to detect casual warming.
- the carrier element has a metallic coating at each opening to provide a contact surface in the form of a plated-through hole.
- WO 2021/004765 A1 describes an electrical assembly with a temperature monitoring device.
- a connector part with both AC charging pins and DC charging pins is provided.
- the connector part has an electrical assembly.
- This assembly consists of contact elements that are arranged on a carrier element and electrically connected to associated load lines.
- each contact element is accommodated in an associated receiving opening in the carrier element.
- EP 3 667 831 B1 describes a connector part with a circuit board.
- a housing part has a circuit board with electrical functional components arranged thereon.
- electrical contact elements are arranged in the plug domes of the plug face via the receiving space.
- the circuit board has two openings through which contact elements in the form of load contacts reach.
- Contact springs for thermal contact with the contact elements are also arranged on the circuit board. These contact springs are grouped around the openings and are used to thermally contact the circuit board with the contact elements, the load contacts. As a result, the contact elements are thermally connected to the circuit board via the contact springs, whereby heat can be conducted via the contact springs to the circuit board and thus to a temperature sensor arranged on the circuit board.
- the object of the invention is to provide such a circuit board for installation in a charging connector for an electric or hybrid vehicle, which can be used universally for various temperature sensor arrangements.
- a circuit board for installation in a charging connector for an electric or hybrid vehicle, with a plurality of thermal connection areas, with each of which a charging contact of the charging connector can be thermally contacted, electrical connection points for a plurality of temperature sensors for detecting the temperature prevailing at a thermal connection area or at several thermal connection areas and an interface electrically connected to the electrical connection points for outputting a temperature signal or a plurality of temperature signals, wherein the electrical connection points are arranged on the circuit board and connected to the interface in such a way that either only a single temperature sensor can be operated for all thermal connection areas together or a plurality of temperature sensors can be operated simultaneously for one thermal connection area or several thermal connection areas on the circuit board.
- the charging connector can be a charging socket, a charging plug, a charging coupling or a built-in charging plug.
- the charging contacts are then contact sleeves in a charging socket and a charging coupling and contact pins in a charging plug and a built-in charging plug that can be inserted into the contact sleeves.
- the respective charging contacts can be contacted directly with the thermal connection areas.
- the thermal connection areas are provided with thermal contact elements with which a respective charging contact can be thermally contacted.
- the thermal contacting of a charging contact by a thermal contact element preferably takes place in that the contact element rests against the respective charging contact, preferably flatly.
- the thermal contact elements are characterized by the fact that their thermal conductivity is greater than the material from which the circuit board is made.
- the thermal contact elements are not galvanically conductive. In this way, it is not a problem if the thermal contact elements contact the charging contacts directly, since no current can be carried via the thermal contact elements.
- thermal contact elements can fundamentally be designed differently. According to a preferred development of the invention, however, it is provided that the thermal contact elements are each provided for exactly one charging contact and i) have no thermal connection to one another and are each thermally connected to their own temperature sensor or ii) each to at least one other thermal contact element have a thermal connection and thermal contact elements that are thermally connected to one another are each thermally connected to a common temperature sensor.
- the thermal contact elements therefore offer the possibility of thermally combining several contact elements so that the common temperature of these contact elements can be measured via a single common temperature sensor.
- thermal contact elements each have a thermal connection with one another and the common temperature sensor is arranged in the central region between the two thermal contact elements, or jj) all thermal contact elements have a thermal connection with one another and the common temperature sensor is arranged in the region of one of the thermal contact elements.
- the thermal contact elements are designed in such a way that they partially enclose the circumference of a respective charging contact. In this way, the thermal contact elements practically nestle against the respective charging contacts, so that very good temperature transfer between the respective charging contact and the respective thermal contact element is possible.
- the electrical connection points are arranged on the circuit board and connected to the interface in such a way that either only a single temperature sensor can be operated for all thermal connection areas together or simultaneously a plurality of temperature sensors can be operated for one thermal connection area or several thermal connection areas on the circuit board .
- the interface on the circuit board has two electrical connections, between which at least two temperature sensor connection lines are parallel. lel connected, the temperature sensor connection lines having a different number of electrical connection points, namely one electrical connection point, two electrical connection points or four electrical connection points.
- thermosensor connection lines are connected in parallel between the two electrical connections of the interface, namely one with one electrical connection point, one with two electrical connection points and one with four electrical connection points.
- the electrical connections that are provided on the circuit board can be designed as lines on the circuit board that lead to the actual interface, which in turn can be contacted with a corresponding interface part of an external system.
- the circuit board has a rectangular basic shape.
- the fact that the circuit board has a rectangular basic shape means that the sides of the circuit board follow a rectangular shape in their predominant areas.
- the circuit board z. B. has cutouts, so that it deviates from the basic rectangular shape in the area of these cutouts.
- the circuit board has part-circular cutouts for the thermal connection areas. These part-circular cutouts can be designed in such a way that the thermal connection areas correspond to the shape of the charging contacts that they are intended to contact. As already mentioned before, such a corresponding shape can significantly improve the thermal conduction between the charging contact and the thermal connection area or the thermal contact element provided there.
- the previously described circuit board is provided for the AC charging contacts of the charging connector in which it is to be installed. It is preferably intended that the circuit board is suitable for a charging connector in accordance with the European standard IEC 62196 Type 2. In this case, the circuit board carries the temperature sensors with which the temperatures at the charging contacts designated L1, L2, L3 and N are recorded.
- the circuit board described above can be used in a charging connector without the need for an additional circuit board.
- a first circuit board, as described above, and a second circuit board are provided, wherein the second circuit board can thermally contact two thermal connection areas, with each of which a charging contact of the charging connector, for which the first circuit board is intended, can be thermally contacted, has two electrical connection points, each for a temperature sensor for detecting the temperature prevailing at the two thermal connection areas and an electrical connection from the two electrical connection points to the interface.
- the first circuit board for the AC charging contacts of the charging connector and the second circuit board for the DC contacts are output via the interface that is provided on the first circuit board.
- the second circuit board is provided with the electrical connection from the two electrical connection points to the interface.
- the first circuit board and the second circuit board have different geometries and sizes. According to a preferred development of the invention, however, the first circuit board has the same width as the second circuit board. This makes it easier to produce the two circuit boards with as little waste as possible.
- the electrical connection from the two electrical connection points to the interface either has two lines for each connection point or one line for each connection point and one ground line for both connection points. On the one hand, an alternative is conceivable in which each connection point is provided with its own ground line or an alternative in which a common ground line is used for the two connection points.
- the preferred embodiments of the first circuit board described above can in principle also be applied to the second circuit board.
- FIG. 1 shows a schematic of a circuit board according to a preferred embodiment of the invention, which is installed in a charging connector for an electric or hybrid vehicle,
- Fig. 2a shows a circuit board according to a preferred embodiment of the invention, which is equipped with a temperature sensor
- Fig. 2b shows a circuit board according to a preferred embodiment of the invention, which is equipped with two temperature sensors
- Fig. 2c shows schematically a circuit board according to a preferred embodiment of the invention, which is equipped with four temperature sensors
- Fig. 3a schematically shows the thermal connections between the charging contacts on the circuit board according to Fig. 2a
- Fig. 3b schematically shows the thermal connections between the charging contacts on the circuit board according to Fig. 2b
- 3c shows schematically the thermal connections between the charging contacts on the circuit board according to FIG. 2c
- FIG. 4a shows schematically the connection of a second circuit board according to a preferred embodiment of the invention with an electrical connection having two signal lines and two ground lines and
- 4b shows schematically the connection of a second circuit board according to a preferred embodiment of the invention by means of an electrical connection that has two signal lines and a ground line.
- FIG. 1 shows a schematic view of a charging connector 1 which is equipped with a circuit board 4 according to a preferred embodiment of the invention.
- the charging connector 1 is a built-in charging plug which can be installed in the body of an electric or hybrid vehicle. Specifically, it is a charging plug according to the European standard IEC 62196 Type 2, which has an alternating current part at the top and a direct current part at the bottom. An alternating current charging coupling can be plugged onto the alternating current part, and the direct current part can be used together with the alternating current part to plug in a A direct current charging coupling is provided.
- the alternating current charging part 2 is provided with four charging contacts 6, namely the alternating current contacts, which are also designated L1, L2, L3 and N.
- a protective conductor 22 in the alternating current part 2 is provided in the alternating current part 2.
- two communication contacts 19 in the alternating current part which are also designated PP and CP.
- the direct current part there are only the two charging contacts 6', which serve as direct current charging contacts. If a direct current charging coupling is plugged onto the alternating current part and the direct current part for direct current charging, then in the alternating current part only the protective contact 22 and the communication contacts 19 are usually contacted.
- the charging connector 1 is provided with a first circuit board 4 and a second circuit board 13 according to a preferred embodiment of the invention.
- the first circuit board 4 has a plurality of thermal connection areas 5, which in turn are each provided with thermal contact elements 10. These thermal contact elements 10 have particularly good thermal conductivity, but are galvanically insulating.
- the first circuit board 4 is provided with electrical connection points 7, by means of which temperature sensors 8 can be connected, which are intended to detect the temperature prevailing at one thermal connection area or at several thermal connection areas 5.
- the first circuit board 4 has an interface 9 connected to the electrical connection points 7 for outputting a temperature signal or, in the case of several temperature sensors, for outputting a plurality of temperature signals.
- These electrical connection points 7 are arranged on the first circuit board 4 and connected to the interface 9 in such a way that either only a single temperature sensor 8 for all thermal connection areas together or simultaneously a plurality of temperature sensors 8 for each thermal connection area 5 or several thermal connection areas 5 on the circuit board 4 can be operated.
- the interface 9 on the first circuit board 4 has electrical connections 11, namely in the form of electrical lines printed on the first circuit board 4, between which a total of three temperature sensor connection lines 20 are provided.
- These temperature sensor connection lines 20 each have a different number of electrical connection points 7, namely only one electrical connection point 7, two electrical connection points 7 or four electrical connection points 7.
- FIG. 1 and Figures 2a to 2c do not show how the charging contacts 6 or the thermal contact elements 10 are thermally connected to one another in the thermal connection areas 5. Rather, this is shown separately in Figures 3a to 3c.
- the design shown in Figure 3a corresponds to the design shown in Figure 2a with a single temperature sensor 8 for all charging contacts 6.
- all charging contacts 6 and also the protective contact 22 are thermally connected to one another via a common thermal connection 21.
- the temperature sensor 8 can be arranged at any point on the thermal connection 21 in this situation. In the present case, the positioning of the temperature sensor 8 has been chosen so that it is in the area of the protective contact 22.
- the situation shown in Figure 3b corresponds to the situation from Figure 2b.
- a total of two temperature sensors 8 are provided here, each of which jointly detects the temperature of two charging contacts 6, namely on the one hand together for the charging contacts L1 and L2 and on the other hand together for the charging contacts L3 and N. These include the charging contacts L1 and L2 on the one hand and the charging contacts L3 and N, on the other hand, are each thermally connected to one another with a thermal connection 21.
- the temperature sensor 8 is installed in the middle area of the respective thermal connection 21, so that an average temperature of the two respective charging contacts 6 can practically be detected by the respective temperature sensor 8.
- FIG 3c shows the situation that is also shown in Figure 2c.
- a separate temperature sensor 8 is provided for each charging contact 6.
- thermal connections between the charging contacts 6 or the thermal contact elements 10, which are provided in the area of the thermal connection areas 5, are omitted.
- the second circuit board 13 will be discussed below.
- This is provided with thermal connection areas 14, which enable a thermal connection to the two charging contacts 6', i.e. to the two direct current charging contacts.
- the second circuit board 13 in the Other electrical connection points 15 are provided so that temperature sensors 8 can also be connected there.
- a separate temperature sensor 8 is always provided for each charging contact 6'.
- the second circuit board 13 is now characterized in that it has the same width as the first circuit board 4. This facilitates the production of the circuit boards 4, 13 and reduces waste.
- the electrical circuit board 13 is connected to the first circuit board 4 and there to the interface 9 via an electrical connection 16.
- each electrical connection point 15 for a temperature sensor 8 can each be provided with a signal line 17 and a ground line 18.
- a common ground line 18 for both temperature sensors 8 it is possible, as shown in Figure 4b, to use a common ground line 18 for both temperature sensors 8, so that each electrical connection point 15 of the second circuit board 13 has its own signal line 17, but the ground line 18 is connected to the other electrical connection point 15 Splits.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022124708.2A DE102022124708B3 (de) | 2022-09-26 | 2022-09-26 | Leiterplatte zum Einbau in einen Ladesteckverbinder für ein Elektro- oder Hybridfahrzeug, Ladesteckverbinder mit einer solchen Leiterplatte und Anordnung aus einer solchen Leiterplatte und einer zweiten Leiterplatte |
| PCT/DE2023/100673 WO2024067909A1 (de) | 2022-09-26 | 2023-09-12 | Leiterplatte zum einbau in einen ladesteckverbinder für ein elektro- oder hybridfahrzeug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4594717A1 true EP4594717A1 (de) | 2025-08-06 |
Family
ID=88695438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23800733.0A Pending EP4594717A1 (de) | 2022-09-26 | 2023-09-12 | Leiterplatte zum einbau in einen ladesteckverbinder für ein elektro- oder hybridfahrzeug |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4594717A1 (de) |
| DE (1) | DE102022124708B3 (de) |
| WO (1) | WO2024067909A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102024121697A1 (de) * | 2024-07-30 | 2026-02-05 | Kiekert Aktiengesellschaft | Ladesteckverbinder für Elektro- und Hybridfahrzeuge |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015106251A1 (de) | 2015-04-23 | 2016-10-27 | Phoenix Contact E-Mobility Gmbh | Steckverbinderteil mit einer Temperaturüberwachungseinrichtung |
| BE1026857B1 (de) | 2018-12-10 | 2020-07-13 | Phoenix Contact E Mobility Gmbh | Steckverbinderteil mit einer Leiterplatte |
| FR3098078B1 (fr) * | 2019-06-28 | 2021-07-09 | Aptiv Tech Ltd | Circuit imprimé et procédé pour la mesure de la température dans un connecteur électrique de puissance |
| LU101309B1 (de) | 2019-07-11 | 2021-01-11 | Phoenix Contact E Mobility Gmbh | Elektrische Baugruppe mit einer Temperaturüberwachungseinrichtung |
| DE102020116535A1 (de) | 2020-06-23 | 2021-12-23 | Te Connectivity Germany Gmbh | Hochstromkontakteinrichtung und Verfahren zur Herstellung einer Hochstromkontakteinrichtung |
| DE102020116533A1 (de) | 2020-06-23 | 2021-12-23 | Te Connectivity Germany Gmbh | Hochstromkontakteinrichtung |
-
2022
- 2022-09-26 DE DE102022124708.2A patent/DE102022124708B3/de active Active
-
2023
- 2023-09-12 WO PCT/DE2023/100673 patent/WO2024067909A1/de not_active Ceased
- 2023-09-12 EP EP23800733.0A patent/EP4594717A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE102022124708B3 (de) | 2023-12-21 |
| WO2024067909A1 (de) | 2024-04-04 |
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