EP3396785A1 - Système de connecteur - Google Patents

Système de connecteur Download PDF

Info

Publication number
EP3396785A1
EP3396785A1 EP17168499.6A EP17168499A EP3396785A1 EP 3396785 A1 EP3396785 A1 EP 3396785A1 EP 17168499 A EP17168499 A EP 17168499A EP 3396785 A1 EP3396785 A1 EP 3396785A1
Authority
EP
European Patent Office
Prior art keywords
plug
electrical connector
connector assembly
recess
assembly according
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.)
Granted
Application number
EP17168499.6A
Other languages
German (de)
English (en)
Other versions
EP3396785B1 (fr
Inventor
Vincent Regnier
Michael Gunreben
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.)
Aptiv Technologies Ltd
Original Assignee
Delphi International Operations Luxembourg SARL
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 Delphi International Operations Luxembourg SARL filed Critical Delphi International Operations Luxembourg SARL
Priority to EP17168499.6A priority Critical patent/EP3396785B1/fr
Priority to US15/949,284 priority patent/US10283905B2/en
Priority to KR1020180046634A priority patent/KR102530979B1/ko
Priority to CN201810370386.3A priority patent/CN108808314B/zh
Priority to JP2018084955A priority patent/JP7127929B2/ja
Publication of EP3396785A1 publication Critical patent/EP3396785A1/fr
Application granted granted Critical
Publication of EP3396785B1 publication Critical patent/EP3396785B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R13/66—Structural association with built-in electrical component
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6277—Snap or like fastening comprising annular latching means, e.g. ring snapping in an annular groove
    • 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
    • H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
    • 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
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/625—Casing or ring with bayonet engagement
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6278—Snap or like fastening comprising a pin snapping into a recess
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
    • H01R13/635—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only by mechanical pressure, e.g. spring force
    • 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
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/641—Means for preventing incorrect coupling by indicating incorrect coupling; by indicating correct or full engagement
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • 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 connector assembly for an airbag igniter.
  • the object of the invention can be seen to provide a connector assembly for an airbag igniter, which during the Installation is easy to handle, provides a secure plug connection and is suitable for tight spaces.
  • an electrical connector assembly for an airbag igniter having a plug body comprising a contact holder portion, an annular detent ring movable about a plug axis, fixed to the plug body and concentrically surrounding the contact holder portion.
  • the locking ring has at least one at a first end 53) introduced first recess 55), which extends against a direction of insertion, diagonally to the plug-in axis, wherein it generates a guide surface 52).
  • a mating connector having a plug receiving portion adapted to receive the contact holder portion of the plug.
  • the plug receiving portion is surrounded by a collar, on the outside of which a projection is mounted, which engages in mating of electrical plug and mating connector with the guide surface and the latching ring against a spring force (F) of the elastic member about the plug-in axis in a first direction (R) turns.
  • the locking ring has a second recess at a second end. In fully assembled state, the projection and the second recess in a plane perpendicular to the plug-in axis, wherein the spring force rotates the locking ring counter to the first direction, so that the projection is received in the second recess and locks the plug body with the plug-in receptacle.
  • this electrical connector assembly ensures that the plug is only then locked to the mating connector when fully is plugged. If the connector is not fully inserted, the plug is pulled out of the mating connector by the elastic element when the insertion force is removed. The worker sees immediately that the plug is not plugged in correctly and can repeat the process. However, if the plug is correctly inserted, the projections snap into the recesses and lock the plug securely. The plug is locked at several points in order to hold the plug particularly firmly on the mating connector. This locking concept makes it possible to design very flat connectors.
  • a clearance is formed between the contact holder portion and locking ring, which completely receives the collar when the electrical connector is inserted into the mating connector.
  • the contact holder region has on its circumference facing the locking ring at least one rib which is designed to engage with at least one groove in the mating connector while the electrical connector is inserted into the mating connector.
  • the interaction of the rib and the groove allows for a precise guidance of the plug in the mating connector and on the other holds the rib the plug in position when the locking ring is rotated about the through axle.
  • the rib prevents slippage of the first connector when the elastic element causes a torque about the thru-axle.
  • the rib engages the groove before the projection engages the guide surface.
  • the rib-and-groove combination In order for the rib-and-groove combination to hold the first housing part, when inserted in the insertion direction, the rib first has to engage the groove before the locking ring is rotated.
  • a plurality of ribs are distributed unevenly over the circumference.
  • the retention capacity increases, which makes the plug arrangement more robust, on the other hand, this results in coding possibilities for the plug arrangement.
  • plug-in errors are avoided during assembly, because certain connectors can only be connected to certain mating connectors. This is particularly important when several, same-looking mating connector are arranged side by side.
  • the first recess and the second recess are introduced on the inside of the locking ring.
  • This has the advantage that the outside has a smooth surface that is dirt-repellent.
  • the surface may also have corrugated areas to facilitate gripping when opening the connector.
  • the mechanism consisting of guide surface and projection, protected against dirt and foreign bodies.
  • the elastic element is designed as a torsion spring.
  • the design as a torsion spring can be integrated particularly well in the housing.
  • the torsion spring is perpendicular to the plug-in axis and thus does not contribute to the expansion of the housing in the direction of the thru-axle.
  • the elastic element can also be designed as a spring or elastomer element.
  • a promising embodiment of the elastic element consists of a stamped spring element.
  • the spring element is designed U-shaped or in the form of a circular arc.
  • the torsion spring has at least one turn which winds around the thru-axle. This construction guarantees a uniform spring effect.
  • one end of the torsion spring is connected to the plug body and the second end to the locking ring.
  • plug body and locking ring can move elastically against each other.
  • the plug body has a flat, elongated shape whose extension along the housing axis, which extends at right angles to the plug-in axis, is greater than in the direction of the plug-in axis. Due to the flat design of the plug body, it can be installed in confined spaces.
  • the locking ring has more than one first recess and more than one second recess.
  • the use of multiple recesses reduces the pressure on the guide surfaces, which allows the latching ring to slide more easily and also provides increased retention force (as previously mentioned).
  • the recesses are distributed uniformly over the circumference of the locking ring. This prevents the locking ring from being misjudged or jammed when mated together.
  • the guide surface extends in a straight line.
  • a straight guide surface requires a uniform force on the plug when mating. Is it desirable that the insertion force should vary, the guide surface may be curved or in stages. The characteristic of the necessary insertion force can thus be varied within a wide range.
  • FIG. 1 shows an electrical connector assembly, wherein two mating connector 100 side by side on a housing wall 1 of an airbag igniter, are attached.
  • a plug 10 is attached to one of the mating connector 100.
  • the plug 10 has a plug body 20, comprising a contact holder portion 30 and an annular detent ring 50 which is movably mounted about a plug axis X on the plug body 20 and concentrically surrounds the contact holder portion 30.
  • An elastic element 90 FIG. 3 ) holds the latching ring 50 in a rest position P.
  • the plug body 20 has a flat, elongated shape whose extension along the housing axis A, which extends at right angles to the plug-in axis X, is greater than in the direction of the plug-in axis.
  • the mating connector 100 has a plug-in receiving region 110, which is designed to receive the plug-in region 30 of the plug 10 and to connect it electrically and mechanically.
  • the mating connector 100 has a collar 101, which delimits the plug-receiving portion 110.
  • the collar 101 has around the through-axle X around a round cross-section. From the plug-receiving portion 110 protrude along the plug axis X contact pins 111, which have a round cross-section.
  • the contact pins 111 are aligned with the housing axis A.
  • the mating connector 100 has, on the side facing the plug-receiving region 110, recesses 104 which are designed to support ribs 32 (FIG. FIG. 2 ) of the plug 10.
  • FIG. 2 shows the plug 10 in a position that makes the contact holder portion 30 more visible.
  • the latching ring 50 has a first recess 55 introduced at a first end 53, which extends counter to an insertion direction Y, diagonally to the plug-in axis X, wherein it generates a guide surface 52.
  • Between the contact holder portion 30 and locking ring (50) has a free space (57) is formed, which completely receives the collar 101 when the electrical connector is inserted into the mating connector
  • FIG. 3 shows the plug 10 in perspective view.
  • the elastic member 90 is engaged with both the plug body 20 and the detent ring 50.
  • the elastic member 90 holds the detent ring 50 in a rest position P on the plug body 20 by exerting a force F on the detent ring 50.
  • the locking ring 50 is thus prevented from rotating about the thru-axle X.
  • FIG. 4 shows the plug 10 in an exploded view.
  • the elastic element 90 is held in the plug body 20 and partially wound around the thru-axle X.
  • the course of the electrical lines 12 is only indicated.
  • a ferrite element 14 surrounds the electrical lines 12 and is also held in the plug body 20.
  • a lid 22 covers the plug body 20.
  • the latching ring 50 has at a first end (53) a first recess (55) which extends counter to a plugging direction (Y), diagonally to the plug-in axis, wherein it generates a guide surface (52).
  • the latching ring has a second recess (56) at a second end (54).
  • FIG. 5 shows the electrical connector assembly in a position with plug body 10 and mating connector 100 are aligned with the plug-in axis X, but the plug-in process has not yet begun.
  • the plug 10 is in its rest position P.
  • FIG. 6b shows a sectional view of a section along the cutting axis C of FIG. 6a.
  • FIGS. 6a, 6b show the plug 10 and the mating connector 100, both of which are aligned on the plug-in axis X and the insertion process begins.
  • a portion of the rib 32 on the plug is received in the groove 104 of the mating connector 100 and limits the freedom of movement about the thru-axle X (not shown).
  • the guide surface 52 of the plug 10 and projection 102 of the mating connector 100 are adjacent.
  • the projection 102 and the inclined guide surface 52 act against each other so that the locking ring 50 is a direction R against the spring force F is rotated about the insertion axis X.
  • the insertion force Fs overcomes the effect of the force F of the elastic element.
  • FIG. 7b shows a sectional view of a section along the cutting axis C of Figure 7a.
  • FIGS. 7a, 7b show the plug 10 and the mating connector 100 in fully mated condition.
  • the projection 102 is located in an end plane E with the recess 56.
  • the elastic element 90 has the elastic element 90 has the recess 56 (part of the locking ring 50) pulled into the end position and the plug body 20 with the locked against plug 100.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Air Bags (AREA)
EP17168499.6A 2017-04-27 2017-04-27 Système de connecteur Active EP3396785B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP17168499.6A EP3396785B1 (fr) 2017-04-27 2017-04-27 Système de connecteur
US15/949,284 US10283905B2 (en) 2017-04-27 2018-04-10 Electrical connector assembly
KR1020180046634A KR102530979B1 (ko) 2017-04-27 2018-04-23 커넥터 조립체
CN201810370386.3A CN108808314B (zh) 2017-04-27 2018-04-24 气囊点火机构的电连接器组件
JP2018084955A JP7127929B2 (ja) 2017-04-27 2018-04-26 コネクタアセンブリ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17168499.6A EP3396785B1 (fr) 2017-04-27 2017-04-27 Système de connecteur

Publications (2)

Publication Number Publication Date
EP3396785A1 true EP3396785A1 (fr) 2018-10-31
EP3396785B1 EP3396785B1 (fr) 2020-12-09

Family

ID=58638792

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17168499.6A Active EP3396785B1 (fr) 2017-04-27 2017-04-27 Système de connecteur

Country Status (5)

Country Link
US (1) US10283905B2 (fr)
EP (1) EP3396785B1 (fr)
JP (1) JP7127929B2 (fr)
KR (1) KR102530979B1 (fr)
CN (1) CN108808314B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112490779A (zh) * 2018-08-10 2021-03-12 株式会社村田制作所 连接器以及连接器组
US11171440B2 (en) * 2019-03-20 2021-11-09 Aptiv Technologies Limited Backing plate for mounting and sealing an electrical connector to an intermediate surface
CN113875099B (zh) * 2019-06-14 2022-06-28 史莱福灵有限公司 滑环装置
CN112615204B (zh) * 2020-12-14 2022-03-29 中航光电科技股份有限公司 电气连接组件
CN112768999A (zh) * 2020-12-21 2021-05-07 安克创新科技股份有限公司 可折叠插头组件和包括可折叠插头组件的装置
KR102576083B1 (ko) * 2021-09-13 2023-09-07 주식회사 경신 각도 조절형 커넥터 커버

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1113173A (en) * 1965-04-30 1968-05-08 Plessey Co Ltd Improvements in or relating to coupling devices,more particularly for electrical connectors
DE3042185A1 (de) * 1979-11-16 1981-05-21 Aktiebolaget Electronic Components Ltd., Abercynon, Mid Glamorgan, Wales Verrastbare kabelkupplung
EP0808749A2 (fr) * 1996-05-24 1997-11-26 THOMAS & BETTS CORPORATION Connecteur pour générateur de gaz
EP1127388A1 (fr) * 1999-08-27 2001-08-29 Amphenol Corporation Mecanisme de couplage a baionnette autoverrouillante
EP2966735A1 (fr) 2014-07-11 2016-01-13 Delphi International Operations Luxembourg S.à r.l. Ensemble de connecteur à double verrouillage secondaire

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US4464001A (en) * 1982-09-30 1984-08-07 The Bendix Corporation Coupling nut having an anti-decoupling device
GB8920195D0 (en) * 1989-09-07 1989-10-18 Amp Great Britain Breakaway electrical connector
JPH09147987A (ja) * 1995-11-17 1997-06-06 Sumitomo Wiring Syst Ltd 半嵌合検知コネクタ
US5662491A (en) * 1995-12-07 1997-09-02 Chrysler Corporation Electrical connector for vehicle power component switches
DE10224757B3 (de) * 2002-06-04 2004-01-29 Fci Steckverbinder mit während des Steckvorgangs verrastender Sekundärverriegelung
DE102004034321B3 (de) * 2004-07-15 2006-01-12 Amphenol-Tuchel Electronics Gmbh Elektrischer Steckverbinder
US7351089B2 (en) * 2006-04-28 2008-04-01 Delphi Technologies, Inc. Electrical connector having a CPA plug
US8215884B2 (en) * 2008-12-16 2012-07-10 Lockheed Martin Corporation Connector for use in high vibration environment
DE102009004458B3 (de) * 2009-01-13 2010-09-09 Tyco Electronics Amp Gmbh Elektrischer Steckverbinder mit Verriegelungseinrichtung
CN102725921B (zh) * 2010-03-30 2015-08-19 株式会社藤仓 同轴连接器
JP5559635B2 (ja) * 2010-08-09 2014-07-23 タイコエレクトロニクスジャパン合同会社 防水型電気コネクタ、防水型電気コネクタの組み立て方法
JP6001642B2 (ja) * 2011-04-22 2016-10-05 デルフィ・コネクション・システムズ・ホールディング・フランス エアバッグコネクターシステム
EP2779321B1 (fr) * 2013-03-13 2018-11-07 Amphenol Corporation Élément anti-découplage pour composant de connecteur
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FR3034345B1 (fr) * 2015-04-02 2019-08-23 Dover Europe Sarl Connecteur configurable

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1113173A (en) * 1965-04-30 1968-05-08 Plessey Co Ltd Improvements in or relating to coupling devices,more particularly for electrical connectors
DE3042185A1 (de) * 1979-11-16 1981-05-21 Aktiebolaget Electronic Components Ltd., Abercynon, Mid Glamorgan, Wales Verrastbare kabelkupplung
EP0808749A2 (fr) * 1996-05-24 1997-11-26 THOMAS & BETTS CORPORATION Connecteur pour générateur de gaz
EP1127388A1 (fr) * 1999-08-27 2001-08-29 Amphenol Corporation Mecanisme de couplage a baionnette autoverrouillante
EP2966735A1 (fr) 2014-07-11 2016-01-13 Delphi International Operations Luxembourg S.à r.l. Ensemble de connecteur à double verrouillage secondaire

Also Published As

Publication number Publication date
EP3396785B1 (fr) 2020-12-09
KR20180120590A (ko) 2018-11-06
JP7127929B2 (ja) 2022-08-30
US20180316133A1 (en) 2018-11-01
KR102530979B1 (ko) 2023-05-11
US10283905B2 (en) 2019-05-07
JP2018190713A (ja) 2018-11-29
CN108808314A (zh) 2018-11-13
CN108808314B (zh) 2020-04-03

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