WO2022239555A1 - コネクタを用いた接続装置 - Google Patents

コネクタを用いた接続装置 Download PDF

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Publication number
WO2022239555A1
WO2022239555A1 PCT/JP2022/015697 JP2022015697W WO2022239555A1 WO 2022239555 A1 WO2022239555 A1 WO 2022239555A1 JP 2022015697 W JP2022015697 W JP 2022015697W WO 2022239555 A1 WO2022239555 A1 WO 2022239555A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
housing
wire
wire insertion
dummy
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
Application number
PCT/JP2022/015697
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
英治 柳田
尭久 八代
聖 今川
啓太 深田
宗一郎 犬飼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Wiring Systems Ltd
Toyota Motor Corp
Original Assignee
Sumitomo Wiring Systems Ltd
Toyota Motor Corp
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 Sumitomo Wiring Systems Ltd, Toyota Motor Corp filed Critical Sumitomo Wiring Systems Ltd
Priority to US18/285,453 priority Critical patent/US12500370B2/en
Priority to CN202280031544.7A priority patent/CN117321862A/zh
Publication of WO2022239555A1 publication Critical patent/WO2022239555A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • H01R13/5208—Sealing means between cable and housing, e.g. grommet having at least two cable receiving openings

Definitions

  • the present invention is a connection device using a connector capable of closing an empty wire insertion hole out of a plurality of wire insertion holes, and is versatile even if the shape of the connector or the like changes. related to the connecting device.
  • a connector includes a housing formed with a plurality of electric wires and a plurality of electric wire insertion holes for accommodating the ends of the electric wires and the terminal fittings attached to the ends of the electric wires.
  • a connector if the entire wire insertion hole is not used, foreign matter can easily enter through the vacant wire insertion hole, which may reduce the reliability of the contact between the terminal fitting and the terminal fitting in the mating connector. was there.
  • the connector disclosed in Patent Document 1 a plurality of wire insertion holes are exposed through the holding cover opening, and dummy plugs are inserted into the empty wire insertion holes among the wire insertion holes of the waterproof member. By wearing it, the vacant wire insertion hole is closed. As a result, the connector can be applied to wires of which the number is smaller than the total number of wire insertion holes without requiring design changes of the housing, the waterproof member, and the like.
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a connector that does not require a design change of a member that closes an empty wire insertion hole of the connector even if there is a change in connector specifications.
  • the gist of the first invention is: (a) a plurality of wire insertion holes accommodating a plurality of wires, ends of the plurality of wires, and a plurality of terminal fittings attached to the ends of the wires; and (b) the plurality of wires are lead wires having one end inserted into the wire insertion hole and the other end connected to another connector, and the lead and a dummy electric wire of the same kind as the wire, the one end and the other end of which are respectively inserted into a pair of empty electric wire insertion holes among the electric wire insertion holes.
  • the gist of the second invention is that, in the first invention, between the connector and the other connector, a tubular protector that is shorter than the lead wire and that wraps the lead wire and the dummy wire is provided.
  • a tube is provided, and the dummy electric wire has a bent end portion in which the other connector side is bent in a U shape, and the bent end portion of the dummy electric wire is connected to the protective tube. It is exposed from the end on the other connector side.
  • the gist of the third invention is that in the first or second invention, the connector includes a housing in which a plurality of wire insertion holes are formed, and the dummy wires are provided at both ends of the housing. The terminal fitting accommodated in the wire insertion hole is connected.
  • the gist of the fourth invention is that in the first invention or the second invention, the connector comprises a housing in which a plurality of wire insertion holes are formed, and a housing that is superimposed on the housing to seal the plurality of wires in a watertight manner.
  • a waterproof member having a plurality of wire insertion holes that can be inserted into the housing in a watertight manner and a housing waterproof portion that is watertightly fitted to the housing; a holding cover that holds the waterproof member so that it does not come off from the housing; one end and the other end of the dummy wire are inserted into the wire insertion hole provided in the waterproof member, or the wire insertion hole provided in the waterproof member and the wire insertion hole formed in the housing It is in that it is inserted.
  • the plurality of electric wires includes a lead wire having one end inserted into the electric wire insertion hole and the other end connected to another connector, and the same lead wire as the lead wire. a dummy electric wire having one end and the other end respectively inserted into a pair of empty electric wire insertion holes among the electric wire insertion holes. Therefore, even if the specifications of the connector are changed, it is possible to obtain a connection device using a connector that does not require a design change of a member for closing an empty wire insertion hole of the connector.
  • a cylindrical protective tube shorter than the lead wire enclosing the lead wire and the dummy electric wire is provided between the connector and the other connector.
  • the dummy electric wire has a curved end portion in which the other connector side is bent in a U shape, and the curved end portion of the dummy electric wire is connected to the other connector of the protective tube. is exposed from the connector-side end of the Therefore, it is possible to easily perform an inspection for confirming that the dummy electric wire is inserted into the empty electric wire insertion hole and other empty electric wire insertion holes by visual inspection of the appearance.
  • the connector includes a housing in which a plurality of wire insertion holes are formed, and both ends of the dummy wire are provided in the wire insertion holes of the housing.
  • the terminal fitting housed in is connected. For this reason, the dummy electric wire can obtain the same retention performance as the lead wire which is retained by being inserted into the accommodation space of the housing with the terminal fitting connected to the tip thereof.
  • the connector includes a housing having a plurality of wire insertion holes formed therein, and the connector is superimposed on the housing so that the plurality of wires can be inserted in a watertight manner.
  • a waterproof member having a plurality of wire insertion holes and a housing waterproof portion watertightly fitted to the housing; and a holding cover for holding the waterproof member so as not to come off the housing, One end and the other end of the electric wire are inserted into the wire insertion hole provided in the waterproof member, or the wire insertion hole provided in the waterproof member and the wire insertion hole formed in the housing.
  • one end and the other end of the dummy wire which is the same type of wire as the lead wire, are inserted into the wire insertion holes provided in the waterproof member or the wire insertion holes provided in the waterproof member and the housing, respectively. Therefore, it is possible to prevent not only entry of foreign matter but also entry of water and dust.
  • FIG. 2 is an enlarged perspective view illustrating the waterproof connector of the embodiment of FIG. 1;
  • FIG. 3 is a cross-sectional view illustrating the internal structure of the waterproof connector of FIG. 2 in which a plurality of electric wires are inserted, and is a cross-sectional view taken along line III-III of FIG. 2;
  • FIG. 1 is a diagram showing a connection device 10 using a waterproof connector 12 to which the present invention is preferably applied.
  • the connection device 10 includes a plurality of electric wires W and a waterproof connector 12.
  • the waterproof connector 12 is fitted to a mating connector 16 supported by a stationary bracket 14 .
  • the waterproof connector 12 is connected via a plurality of electric wires W to another connector 22 paired with the waterproof connector 12 .
  • Another connector 22 is provided in a device 20 in the vehicle, such as a resolver that detects the phase angle of the rotating body.
  • a plurality of electric wires W between the waterproof connector 12 and the other connector 22 have one end inserted into a wire insertion hole 38 (described later) of the waterproof connector 12 and the other end connected to the other connector 22 .
  • Lead wires LW and dummy wires DW having one end inserted into an empty wire insertion hole 38 of the wire insertion holes 38 and the other end inserted into another empty wire insertion hole 38 of the wire insertion holes I'm in.
  • the dummy electric wire DW is an electric wire of the same kind as the lead wire LW, for example, an electric wire that is common to the lead wire LW in terms of the outer diameter, the material of the core wire and the coating, and the standards.
  • a connection device 10 having a waterproof connector 12 a lead wire LW and a dummy wire DW whose side of the other connector 22 is bent in a U shape are wrapped between the waterproof connector 12 and another connector 22.
  • a cylindrical protective tube 18 shorter than the lead wire LW is provided.
  • the protective tube 18 is a so-called glass varnish tube in which glass fiber woven cloth is sewn into a cylindrical shape and impregnated with varnish.
  • the U-shaped curved end portion 26 of the dummy electric wire DW is exposed from the end portion 18a of the protective tube 18 on the other connector 22 side, and the curved end portion 26 of the dummy electric wire DW is exposed. It is visible.
  • FIG. 2 is a perspective view of the waterproof connector 12.
  • FIG. The waterproof connector 12 includes a housing 28 made of hard resin, a waterproof member 30 superimposed on the end face of the housing 28 on the wire W side, and a holding cover 40 made of hard resin that holds the waterproof member 30 so that it does not come off from the housing 28.
  • FIG. 3 is a cross-sectional view for explaining the internal structure of the waterproof connector 12 in which a plurality of electric wires W are inserted, and is a cross-sectional view taken along line III-III in FIG.
  • the housing 28 is formed with a plurality of housing spaces 28a penetrating therethrough, which are capable of housing the ends of the wires W and the terminal fittings 24 attached to the ends of the wires W, respectively.
  • This accommodation space 28a functions as a wire insertion hole of the housing 28 into which the end of the wire W is inserted, and penetrates between the rear surface of the housing 28 on the other connector 22 side and the front surface on the mating connector side. It is a prismatic space.
  • the waterproof member 30 includes a wire insertion hole 38 through which a portion of the wire W adjacent to the other connector 22 side can be inserted in a watertight manner, and a housing watertightly fitted into the housing 28 .
  • a housing waterproof part 34 made of resin or rubber softer than 28 is provided.
  • the terminal fitting 24 includes a connecting portion 24a that is crimped and connected to the core wire exposed at the end of the electric wire W, and a stepped hook portion 24c following the connecting portion 24a. , and is formed by pressing a conductive metal plate such as a copper plate.
  • a receiving space 28a of a housing 28 in which the terminal fitting 24 is received is formed through the housing 28, into which a rod-like terminal of the mating connector 16 is inserted.
  • the terminal fittings 24 are attached to the ends of the lead wires LW and both ends of the dummy wires DW, respectively.
  • the hooking portion 24c of the terminal fitting 24 is retained by engaging with a retainer 42 which is fitted through a retainer fitting opening 28b which opens in the lower surface of the housing 28 (lower surface in FIG. 3). ing.
  • the retainer 42 functions as a retaining member for retaining the wire W from coming off.
  • the retainer 42 and housing 28 are adapted to be positioned in two latching positions, a relatively shallow latching position and a deeper latching position than the temporary latching position (the position shown in FIG. 3). At the temporary hooking position, the terminal fitting 24 is allowed to be inserted into and pulled out of the housing space 28a. The terminal fitting 24 is prevented from coming off from the accommodation space 28a.
  • a longitudinal lock arm 44 that can be elastically deformed in the vertical direction is integrally provided on the upper surface (the upper surface in FIG. 3) of the housing 28 in a cantilevered manner.
  • An engaging projection 44a that engages with the mating connector 16 to prevent it from coming off projects outward (upward in FIG. 3) from the central portion of the lock arm 44 in the longitudinal direction.
  • the tip of the lock arm 44 contacts the inner side of the waterproof member 30 to position the waterproof member 30 .
  • the waterproof member 30 is formed in a box-like shape from a material such as synthetic rubber that is easily elastically deformable, and is a set into which the housing 28 is fitted in order to cover the entire wire W side of the housing 28 . It has an opening 30a.
  • the assembly opening 30a has a shape that can be accommodated therein including the lock arm 44 of the housing 28, and the bottom surface of the waterproof member 30 allows the lock arm 44 to be pushed in by pressing from the outside. 2 is formed.
  • a plurality of ridges 30c are formed along the entire circumference of the inner surface of the assembly opening 30a.
  • a plurality of wire insertion holes 38 are formed through the waterproof member 30 at positions corresponding to the housing spaces 28a of the housing 28 .
  • An inner wall surface of the wire insertion hole 38 is formed with a plurality of annular ridges 38a.
  • the inner diameter of the annular projection 38a is slightly smaller than the outer diameter of the wire W, and the annular projection 38a is pressed against the outer peripheral surface of the wire W to form a watertight structure.
  • the lead wires LW out of the plurality of electric wires W are not shown in the cross section, but the pair of dummy electric wires DW are shown in the cross section.
  • the pair of empty wire insertion holes 38 into which the dummy wires DW are inserted may not necessarily be positioned as shown in FIG.
  • the holding cover 40 has a box shape with a rectangular opening 40a formed on the bottom surface for exposing the wire insertion hole 38 formed in the waterproof member 30, and covers the waterproof member 30. It is molded from a synthetic resin as shown.
  • the holding cover 40 has an engagement arm (not shown) protruding toward the housing 28 , and the engagement arm is engaged with an engagement recess (not shown) formed in the housing 28 . Thereby, the holding cover 40 is fixed to the housing 28 while holding the waterproof member 30 .
  • the connection device 10 using the waterproof connector 12 of this embodiment the plurality of electric wires W, the ends of the plurality of electric wires W, and the plurality of terminal fittings attached to the ends of the electric wires W are provided. and a plurality of wire insertion holes (wire insertion holes 38, housing spaces 28a) in which the wires W are housed. It has a connected lead wire LW and a dummy wire DW which is the same type of wire as the lead wire LW and whose one end and the other end are respectively inserted into a pair of empty wire insertion holes among the wire insertion holes.
  • the empty wire insertion hole 38 of the waterproof member 30 or the empty housing space is required. It is possible to obtain the connection device 10 using the waterproof connector 12 that does not require a design change of the member that closes the hole 28a.
  • the lead wire LW and the other connector 22 side are bent in a U shape between the waterproof connector 12 and the other connector 22 .
  • a cylindrical protective tube 18 shorter than the lead wire LW is provided to wrap the dummy wire DW and the dummy wire DW. 26, and the curved end portion 26 of the dummy electric wire DW is exposed from the end portion 18a of the protective tube 18 on the other connector 22 side.
  • the inspection for confirming that the dummy electric wire DW is inserted into the empty electric wire insertion holes (28a, 38) and the other empty electric wire insertion holes (28a, 38) is carried out on the presence or absence of the curved end portion 26. Based on this, it can be easily performed by visual inspection of the appearance.
  • the waterproof connector 12 includes the housing 28 in which a plurality of housing spaces (wire insertion holes) 28a are formed, and both ends of the dummy wires DW are provided. is connected to the terminal fitting 24 housed in the housing space 28a.
  • the dummy electric wire DW has the same retention performance as the lead wire LW which is retained by being inserted into the housing space 28a of the housing 28 with the terminal fitting 24 connected to the tip thereof.
  • the waterproof connector 12 is superimposed on the housing 28 in which a plurality of accommodation spaces (wire insertion holes) 28a are formed, and the housing 28, and a plurality of A waterproof member 30 having a plurality of wire insertion holes 38 into which wires W can be inserted in a watertight manner and a housing waterproof part 34 fitted in the housing 28 in a watertight manner, and the waterproof member 30 cannot be removed from the housing 28.
  • One end and the other end of the dummy electric wire DW are inserted into the electric wire insertion hole 38 provided in the waterproof member 30 or the electric wire insertion hole 38 provided in the waterproof member 30 and the housing 28. and is inserted into the housing space 28a.
  • one end and the other end of the dummy wire DW which is the same type of wire as the lead wire LW, are inserted into at least the wire insertion holes 38 provided in the waterproof member 30, respectively. Intrusion of water and dust can be prevented.
  • the number of accommodation spaces 28a of the housing 28 and the number of wire insertion holes 38 of the waterproof member 30 in the above-described embodiment can be changed as appropriate according to the application, and the shapes of the housing 28 and the waterproof member 30 Alternatively, various modifications or improvements may be added to the structure.
  • the holding cover 40 made of hard resin that holds the waterproof member 30 from coming off from the housing 28 has a reliable fixing structure between the housing 28 and the waterproof member 30. In such cases, it may not necessarily be provided.
  • the terminal fittings 24 are connected to both ends of the dummy electric wire DW to prevent the dummy electric wire DW from coming off, but other retaining structures may be applied. However, even if a tensile force is applied between the waterproof connector 12 and the other connector 22, a large tensile force is not applied to both ends of the dummy electric wire DW. good.
  • the waterproof connector 12 including the waterproof member 30 and the holding cover 40 for fixing the waterproof member 30 to the housing 28 was described.
  • the present invention can also be applied to a connector that does not have a holding cover 40 that fixes the waterproof member 30 to the housing 28 .
  • a connection device using a connector in this case includes a plurality of electric wires W, a plurality of electric housing spaces ( and a housing 28 in which an electric wire insertion hole 28a is formed. Even in the connector configured in this manner, the empty housing space (empty wire insertion hole) 28a is closed by the dummy wire DW, so the entry of foreign matter is preferably suppressed.
  • Connection device 12 Waterproof connector (connector) 18: Protective tube 18a: End 22: Other connector 24: Terminal fitting 26: Turned end 28: Housing 28a: Housing space (wire insertion hole) 30: Waterproof member 34: Housing waterproof part 38: Wire insertion hole W: Wire LW: Lead wire DW: Dummy wire

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  • Connector Housings Or Holding Contact Members (AREA)
PCT/JP2022/015697 2021-05-13 2022-03-29 コネクタを用いた接続装置 Ceased WO2022239555A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US18/285,453 US12500370B2 (en) 2021-05-13 2022-03-29 Connection device using connector
CN202280031544.7A CN117321862A (zh) 2021-05-13 2022-03-29 使用连接器的连接装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-081987 2021-05-13
JP2021081987A JP7538084B2 (ja) 2021-05-13 2021-05-13 コネクタを用いた接続装置

Publications (1)

Publication Number Publication Date
WO2022239555A1 true WO2022239555A1 (ja) 2022-11-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/015697 Ceased WO2022239555A1 (ja) 2021-05-13 2022-03-29 コネクタを用いた接続装置

Country Status (4)

Country Link
US (1) US12500370B2 (https=)
JP (1) JP7538084B2 (https=)
CN (1) CN117321862A (https=)
WO (1) WO2022239555A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7538084B2 (ja) * 2021-05-13 2024-08-21 トヨタ自動車株式会社 コネクタを用いた接続装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0283617U (https=) * 1988-12-19 1990-06-28
JPH09204954A (ja) * 1996-01-29 1997-08-05 Sumitomo Wiring Syst Ltd 防水コネクタおよびその製造方法
JP2001126842A (ja) * 1999-10-26 2001-05-11 Sumitomo Wiring Syst Ltd 端子付電線挿入具
JP2001217034A (ja) * 2000-02-02 2001-08-10 Sumitomo Wiring Syst Ltd 防水コネクタにおける空きキャビティの処理構造
JP2017092003A (ja) * 2015-11-17 2017-05-25 株式会社デンソー ワイヤハーネス

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3022261B2 (ja) 1995-07-14 2000-03-15 住友電装株式会社 電線の端末処理構造
JP3596427B2 (ja) 1999-11-05 2004-12-02 住友電装株式会社 防水コネクタ
JP2007005018A (ja) * 2005-06-21 2007-01-11 Tokai Rika Co Ltd 防水型コネクタ
JP2009054443A (ja) 2007-08-28 2009-03-12 Yazaki Corp ボンダー、該ボンダーを備えた電気接続箱、該ボンダーのコネクタへの取付構造、および該ボンダーの電気接続箱への取付方法
JP2012201345A (ja) 2011-03-28 2012-10-22 Furukawa Electric Co Ltd:The 車両盗難防止構造
JP5939954B2 (ja) * 2012-10-05 2016-06-29 矢崎総業株式会社 端子用スペーサ
JP6946967B2 (ja) * 2017-11-22 2021-10-13 住友電装株式会社 端子ホルダ、ワイヤハーネス、固定構造
JP7538084B2 (ja) * 2021-05-13 2024-08-21 トヨタ自動車株式会社 コネクタを用いた接続装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0283617U (https=) * 1988-12-19 1990-06-28
JPH09204954A (ja) * 1996-01-29 1997-08-05 Sumitomo Wiring Syst Ltd 防水コネクタおよびその製造方法
JP2001126842A (ja) * 1999-10-26 2001-05-11 Sumitomo Wiring Syst Ltd 端子付電線挿入具
JP2001217034A (ja) * 2000-02-02 2001-08-10 Sumitomo Wiring Syst Ltd 防水コネクタにおける空きキャビティの処理構造
JP2017092003A (ja) * 2015-11-17 2017-05-25 株式会社デンソー ワイヤハーネス

Also Published As

Publication number Publication date
US20240186745A1 (en) 2024-06-06
JP2022175522A (ja) 2022-11-25
US12500370B2 (en) 2025-12-16
CN117321862A (zh) 2023-12-29
JP7538084B2 (ja) 2024-08-21

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