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WO2025041262A1 - Filtre cem et système de charge - Google Patents

Filtre cem et système de charge Download PDF

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Publication number
WO2025041262A1
WO2025041262A1 PCT/JP2023/030148 JP2023030148W WO2025041262A1 WO 2025041262 A1 WO2025041262 A1 WO 2025041262A1 JP 2023030148 W JP2023030148 W JP 2023030148W WO 2025041262 A1 WO2025041262 A1 WO 2025041262A1
Authority
WO
WIPO (PCT)
Prior art keywords
charging
power line
connector
emc filter
conversion adapter
Prior art date
Application number
PCT/JP2023/030148
Other languages
English (en)
Japanese (ja)
Inventor
宣博 木佛寺
Original Assignee
住友電気工業株式会社
住友電装株式会社
株式会社オートネットワーク技術研究所
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 住友電気工業株式会社, 住友電装株式会社, 株式会社オートネットワーク技術研究所 filed Critical 住友電気工業株式会社
Priority to PCT/JP2023/030148 priority Critical patent/WO2025041262A1/fr
Publication of WO2025041262A1 publication Critical patent/WO2025041262A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—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

Definitions

  • This disclosure relates to EMC filters and charging systems.
  • charging stations installed at the destination may be used for charging. If the charging station has a different standard from the standard that the electric vehicle complies with, a conversion adapter is used (see, for example, Patent Document 1, Patent Document 2, and Patent Document 3).
  • the EMC filter disclosed herein is an EMC filter that suppresses common mode noise generated in power lines, and is connected between a vehicle's charging inlet and a charging cable connected to a charging station, and is detachable from a conversion adapter that connects the power lines of the charging inlet and the charging cable.
  • FIG. 1 is a schematic perspective view illustrating an appearance of a conversion adaptor included in a charging system according to a first embodiment of the present disclosure.
  • FIG. 2 is a schematic diagram of the charging system according to the first embodiment of the present disclosure.
  • FIG. 3 is a schematic diagram showing a connection state of electrical power lines and the like during charging by the charging system.
  • FIG. 4 is a schematic diagram illustrating the EMC filter according to the first embodiment.
  • FIG. 5 is a schematic diagram showing a state in which the EMC filter is attached to the second charging connector.
  • FIG. 6 is a schematic diagram showing a state in which the EMC filter according to the second embodiment is attached to a charging inlet of a vehicle.
  • An electric vehicle is provided with an EMC filter that is connected to a charging station and suppresses common mode noise generated when charging.
  • a conversion adapter is used to convert the interface.
  • an EMC filter is designed for an electric vehicle assuming that the vehicle will be connected to a charging station of the same charging method.
  • the impedance component seen from the charging inlet of the electric vehicle toward the charging station changes compared to when the conversion adapter is not used, which causes a problem that the common mode noise may not be sufficiently suppressed.
  • one of the objectives is to provide an EMC filter that can improve convenience when charging using a conversion adapter.
  • the above-described EMC filter can improve convenience when charging using a conversion adapter.
  • the EMC filter according to the present disclosure includes: (1) An EMC filter that suppresses common mode noise generated in a power line.
  • the filter is connected between a charging inlet of a vehicle and a charging cable connected to a charging station, and is detachable from a conversion adapter that connects the power line of the charging inlet and the power line of the charging cable.
  • the EMC (Electromagnetic Compatibility) filter can suppress common mode noise generated in the power line. This makes it possible to suppress erroneous detection and malfunction of the thermistor even when charging using the conversion adapter.
  • the EMC filter since the EMC filter is removable, the EMC filter to be attached can be easily changed according to the common mode noise that changes due to changes in vehicle model, etc. Therefore, such an EMC filter can improve convenience when charging using the conversion adapter.
  • the EMC filter may include a first connector and a second connector that are connected to the power line of the conversion adapter, a first power line that is connected to the first connector and the second connector, a second power line that is connected to the first connector and the second connector, and a third power line that is connected to the first connector and the second connector.
  • the third power line may be connected to a ground line. In this way, earthing can be achieved by the third power line that is connected to the ground line, allowing for safer charging.
  • the first power line may be connected to the positive power line.
  • the second power line may be connected to the negative power line.
  • the conversion adapter may include a housing.
  • the EMC filter may be disposed within the housing. In this way, since the EMC filter is disposed within the housing, the EMC filter can be protected by the housing. Therefore, it is possible to ensure stable use over a longer period of time.
  • the EMC filter may include a common choke coil arranged to surround a part of the first power line and a part of the second power line, a first capacitor connected to the first power line and the third power line, and a second capacitor connected to the second power line and the third power line. In this way, charging can be performed more safely using the capacitors and the common choke coil.
  • the charging system includes a vehicle, a charging stand, a conversion adapter connected between the vehicle and the charging stand and connecting the vehicle's power line to the charging stand's power line, and an EMC filter that is detachable from at least one of the conversion adapter and the vehicle and suppresses common mode noise generated in the power line.
  • FIG. 1 is a schematic perspective view showing the appearance of a conversion adaptor equipped with an EMC filter according to the first embodiment of the present disclosure.
  • Fig. 2 is a schematic diagram of a charging system including the conversion adaptor shown in Fig. 1.
  • Fig. 3 is a schematic diagram showing a connection state of electrical power lines and the like during charging by the charging system.
  • Fig. 4 is a schematic diagram showing an EMC filter according to the first embodiment.
  • the charging system 10a including the conversion adapter 11a equipped with the EMC filter 59a in the first embodiment is a charging system that charges an electric vehicle, in this embodiment, an electric vehicle 12a.
  • the charging in this disclosure is DC (direct current) charging.
  • the charging system 10a includes the conversion adapter 11a, a charging stand 14a to which a charging cable 13a is connected, and an EMC filter 59a attached to the conversion adapter 11a.
  • the tip of the charging cable 13a connected to the charging stand 14a corresponding to a second charging method different from the first charging method described later is provided with a charging connector 15a for the charging cable with a handle. Note that when the charging method on the charging stand 14a side is different from the charging method on the electric vehicle 12a side, the conversion adapter 11a converts the charging method so that one charging method matches the other charging method.
  • the charging cable 13a includes multiple electric lines. Specifically, the charging cable 13a includes electric lines such as a positive power line 21a, a negative power line 22a, a ground line 23a for earthing, a first communication line 24a, a second communication line 25a, a first signal line 26a, a second signal line 27a, a third signal line 28a, and a fourth signal line 29a.
  • electric lines such as a positive power line 21a, a negative power line 22a, a ground line 23a for earthing, a first communication line 24a, a second communication line 25a, a first signal line 26a, a second signal line 27a, a third signal line 28a, and a fourth signal line 29a.
  • the electric vehicle 12a includes a vehicle charging inlet 16a that is compatible with the first charging method and serves as an interface for charging.
  • the charging system 10a includes the charging inlet 16a of the electric vehicle 12a.
  • the charging inlet 16a is provided with a charging socket 17a for vehicle charging, which is an insertion port for the charging connector 15a.
  • the charging connector 15a is connected to this charging socket 17a to charge the electric vehicle 12a.
  • the charging inlet 16a is provided with multiple electric lines corresponding to the charging cable 13a.
  • the charging inlet 16a includes electric lines such as a positive power line 31a, a negative power line 32a, a ground line 33a for earthing, a first communication line 34a, a second communication line 35a, a first signal line 36a, and a second signal line 37a.
  • the charging inlet 16a also includes a voltmeter 38a and a switch 39a provided on the second signal line 37a.
  • the charging inlet 16a on the electric vehicle 12a side is equipped with thermistors 18a and 18b that detect the temperature during charging, and an EMC filter 19a (second EMC filter) that suppresses common mode noise generated in the power line when the charging socket 17a and charging connector 15a are connected during charging. If the temperature detected by thermistors 18a and 18b is higher than a predetermined temperature, it is determined that the charging state is abnormal and charging is stopped.
  • the element values of the EMC filter 19a are designed so that it can sufficiently suppress common mode noise when it is connected to a charging stand that uses the same charging method as the charging method on the electric vehicle 12a side.
  • the charging cable 13a and charging inlet 16a comply with the same standard, charging is possible by simply connecting the charging connector 15a directly to the charging socket 17a.
  • the charging stand 14a, charging cable 13a, charging connector 15a, and charging socket 17a comply with different standards, charging cannot be achieved by simply connecting the charging connector 15a to the charging socket 17a.
  • the conversion adapter 11a is used.
  • the opening 54a and the arrangement of the power lines exposed in the opening 54a comply with the same standards as the charging stand 14a, the charging cable 13a, and the charging connector 15a.
  • the second charging connector 52a can be connected to the charging socket 17a.
  • the shape and arrangement of the protrusions 55a that are inserted into the charging socket 17a conform to the same standards as the charging socket 17a.
  • the conversion cable 53a is provided with a plurality of electric lines corresponding to the charging cable 13a.
  • the conversion cable 53a includes electric lines such as a positive power line 41a, a negative power line 42a, a ground line 43a for earthing, a first communication line 44a, a second communication line 45a, a first signal line 46a, a second signal line 47a, a third signal line 48a, and a fourth signal line 49a.
  • the conversion cable 53a also includes a resistor 56a arranged between the ground line 43a and the first signal line 46a, a resistor 57a arranged in the second signal line 47a, and a resistor 58a arranged between the second signal line 47a and the fourth signal line 49a.
  • the conversion adaptor 11a is equipped with an EMC filter 59a (first EMC filter) that suppresses common mode noise generated in the power lines, specifically, the positive power line 41a and the negative power line 42a.
  • the EMC filter 59a is detachably attached to the housing 20a.
  • the EMC filter 59a is provided in the second charging connector 52a.
  • the conversion adaptor 11b and the conversion adaptor 11c are also similarly provided with an EMC filter 59b (first EMC filter) and an EMC filter 59c (first EMC filter).
  • the EMC filter 59a includes a first connector 61a, a second connector 62a, a common choke coil 63a, a first capacitor 64a, a second capacitor 65a, a first power line 71a, a second power line 72a, and a third power line 73a.
  • the first power line 71a is connected to the first connector 61a and the second connector 62a.
  • the second power line 72a is connected to the first connector 61a and the second connector 62a.
  • the third power line 73a is connected to the first connector 61a and the second connector 62a.
  • the first power line 71a, the second power line 72a, and the third power line 73a are each disposed between the first connector 61a and the second connector 62a.
  • first connector 61a and the second connector 62a are provided at both ends of the first power line 71a, the second power line 72a, and the third power line 73a, respectively.
  • the first connector 61a and the second connector 62a are connection terminals of the EMC filter 59a, and are attached to the second charging connector 52a using the first connector 61a and the second connector 62a.
  • the common choke coil 63a is arranged to surround a portion of the first power line 71a and the second power line 72a.
  • the first capacitor 64a is connected to the first power line 71a and the third power line 73a.
  • the second capacitor 65a is connected to the second power line 72a and the third power line 73a.
  • FIG. 5 is a schematic diagram showing the EMC filter 59a attached to the second charging connector 52a.
  • the first connector 61a and the second connector 62a are connected to the first internal connector 66a and the second internal connector 67a provided on the second charging connector 52a side, respectively.
  • the first power line 71a is connected to the positive power line 41a
  • the second power line 72a is connected to the negative power line 42a
  • the third power line 73a is connected to the ground line 43a.
  • Charging is performed using the conversion adapter 11a equipped with such an EMC filter 59a. Specifically, the first charging connector 51a of the conversion adapter 11a is connected to the charging connector 15a of the charging cable 13a, and the second charging connector 52a of the conversion adapter 11a is connected to the charging socket 17a of the charging inlet 16a. Charging is performed in this state.
  • the EMC filter 59a can suppress common mode noise generated in the power line. As a result, even when charging using the conversion adapter 11a, false detection and malfunction of the thermistors 18a and 18b can be suppressed. In this case, since the EMC filter 59a is detachable, the EMC filter 59a to be attached can be easily changed according to the common mode noise that changes due to changes in the vehicle model, etc. Therefore, such an EMC filter 59a can improve convenience when charging using the conversion adapter 11a.
  • the EMC filter 59a can suppress common mode noise.
  • the EMC filter 59a is detachably attached to the conversion adapter 11a, the EMC filter 59a to be attached can be easily changed depending on the common mode noise generated. Therefore, convenience during charging using the conversion adapter 11a can be improved.
  • the EMC filter 59a includes a first connector 61a and a second connector 62a that are connected to the power lines of the conversion adapter 11a, a first power line 71a that is connected to the first connector 61a and the second connector 62a, a second power line 72a that is connected to the first connector 61a and the second connector 62a, and a third power line 73a that is connected to the first connector 61a and the second connector 62a.
  • the third power line 73a is connected to the ground line.
  • earthing can be achieved by the third power line 73a that is connected to the ground line, allowing for safer charging.
  • the first power line 71a is connected to the positive power line 41a.
  • the second power line 72a is connected to the negative power line 42a. This reliably suppresses common mode noise that occurs in the positive power line 41a and the negative power line 42a, and prevents erroneous detection of thermistors 18a and 18b. This allows for more reliable charging.
  • the conversion adapter 11a includes a housing 20a.
  • the EMC filter 59a is disposed within the housing 20a. As the EMC filter 59a is disposed within the housing 20a, the EMC filter 59a can be protected by the housing 20a. This ensures stable use over a longer period of time.
  • the EMC filter 59a includes a common choke coil 63a arranged to surround a portion of the first power line 71a and a portion of the second power line 72a, a first capacitor 64a connected to the first power line 71a and the third power line 73a, and a second capacitor 65a connected to the second power line 72a and the third power line 73a. Therefore, charging can be performed more safely using the capacitors and the common choke coil.
  • the EMC filter is disposed inside the housing, but this is not limiting, and the EMC filter may be disposed outside the housing.
  • FIG. 6 is a schematic diagram showing an EMC filter in embodiment 2 attached to a charging inlet of a vehicle.
  • the EMC filter in embodiment 2 basically has a similar configuration to embodiment 1 and achieves similar effects.
  • the EMC filter in embodiment 2 differs from embodiment 1 in that it is detachably provided in the inlet of the vehicle.
  • EMC filter 59d (second EMC filter) in embodiment 2 is detachably provided to charging inlet 16a of electric vehicle 12a.
  • EMC filter 59d includes a first connector 61d, a second connector 62d, a common choke coil 63d, a first capacitor 64d, a second capacitor 65d, a first power line 71d, a second power line 72d, and a third power line 73d.
  • the configurations of the first connector 61d, the second connector 62d, the common choke coil 63d, the first capacitor 64d, the second capacitor 65d, the first power line 71d, the second power line 72d, and the third power line 73d are similar to those of the first connector 61a, the second connector 62a, the common choke coil 63a, the first capacitor 64a, the second capacitor 65a, the first power line 71a, the second power line 72a, and the third power line 73a, respectively, and therefore their description will be omitted.
  • the first connector 61d and the second connector 62d are connection terminals of the EMC filter 59d, and are attached to the charging inlet 16a of the electric vehicle 12a using the first connector 61d and the second connector 62d.
  • the first connector 61d and the second connector 62d are connected to the first internal connector 66d and the second internal connector 67d, respectively, provided on the charging inlet 16a side. This connects the first power line 71d to the positive power line 31a, the second power line 72d to the negative power line 32a, and the third power line 73d to the ground line 43a.
  • Charging is performed using the charging inlet 16a equipped with such an EMC filter 59d. Specifically, the first charging connector 51a of the conversion adaptor 11a is connected to the charging connector 15a of the charging cable 13a, and the second charging connector 52a of the conversion adaptor 11a is connected to the charging socket 17a of the charging inlet 16a. Charging is performed in this state.
  • the charging system 10d including the EMC filter 59d can suppress common mode noise even when the conversion adapter 11a is used.
  • the EMC filter 59d is detachably provided on the charging inlet 16a of the electric vehicle 12a, the EMC filter 59d to be attached can be easily changed depending on the common mode noise generated. Therefore, convenience during charging using the conversion adapter 11a can be improved.
  • the EMC filter is provided so as to be detachable from at least one of the conversion adapter and the vehicle's charging inlet. This allows for more efficient charging.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Ce filtre CEM inhibe un bruit de mode commun généré dans une ligne électrique. Le filtre CEM doit être couplé entre une entrée de charge d'un véhicule et un câble de charge connecté à une station de charge, et peut être fixé à un adaptateur de conversion et détaché de celui-ci qui connecte une ligne électrique de l'entrée de charge et une ligne électrique du câble de charge.
PCT/JP2023/030148 2023-08-22 2023-08-22 Filtre cem et système de charge WO2025041262A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/030148 WO2025041262A1 (fr) 2023-08-22 2023-08-22 Filtre cem et système de charge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/030148 WO2025041262A1 (fr) 2023-08-22 2023-08-22 Filtre cem et système de charge

Publications (1)

Publication Number Publication Date
WO2025041262A1 true WO2025041262A1 (fr) 2025-02-27

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PCT/JP2023/030148 WO2025041262A1 (fr) 2023-08-22 2023-08-22 Filtre cem et système de charge

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013062978A (ja) * 2011-09-14 2013-04-04 Jfe Engineering Corp 超急速充電対応電気自動車、及び、そのための超急速充電用ケーブルの支持構造
JP2014183723A (ja) * 2013-03-21 2014-09-29 Denso Corp 充電用接続装置
JP2015207817A (ja) * 2014-04-17 2015-11-19 株式会社オートネットワーク技術研究所 通信装置
JP2016195540A (ja) * 2008-11-18 2016-11-17 ヴァレオ システム ドゥ コントロール モトゥール 給電および充電に共用される電気装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016195540A (ja) * 2008-11-18 2016-11-17 ヴァレオ システム ドゥ コントロール モトゥール 給電および充電に共用される電気装置
JP2013062978A (ja) * 2011-09-14 2013-04-04 Jfe Engineering Corp 超急速充電対応電気自動車、及び、そのための超急速充電用ケーブルの支持構造
JP2014183723A (ja) * 2013-03-21 2014-09-29 Denso Corp 充電用接続装置
JP2015207817A (ja) * 2014-04-17 2015-11-19 株式会社オートネットワーク技術研究所 通信装置

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