WO2014112098A1 - 端子接続装置 - Google Patents

端子接続装置 Download PDF

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Publication number
WO2014112098A1
WO2014112098A1 PCT/JP2013/050908 JP2013050908W WO2014112098A1 WO 2014112098 A1 WO2014112098 A1 WO 2014112098A1 JP 2013050908 W JP2013050908 W JP 2013050908W WO 2014112098 A1 WO2014112098 A1 WO 2014112098A1
Authority
WO
WIPO (PCT)
Prior art keywords
conductor
contacts
frame
contact
terminal connection
Prior art date
Application number
PCT/JP2013/050908
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
広史 岡下
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to CN201380070831.XA priority Critical patent/CN104937779B/zh
Priority to JP2014557282A priority patent/JP5781243B2/ja
Priority to KR1020157016979A priority patent/KR101718266B1/ko
Priority to PCT/JP2013/050908 priority patent/WO2014112098A1/ja
Publication of WO2014112098A1 publication Critical patent/WO2014112098A1/ja

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/38—Plug-and-socket contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/42—Knife-and-clip contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • 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
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/02—Details
    • H02B11/04—Isolating-contacts, e.g. mountings or shieldings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/46—Contacts characterised by the manner in which co-operating contacts engage by sliding self-aligning contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • 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
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
    • 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
    • H01R13/631—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 engagement only
    • H01R13/6315—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 engagement only allowing relative movement between coupling parts, e.g. floating connection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member

Definitions

  • the present invention relates to a terminal connection device, and more particularly to a circuit breaker terminal connection device for connecting a conductor and a terminal of a circuit breaker in a drawer type circuit breaker.
  • Patent Document 1 As a conventional terminal connection device for a drawer type circuit breaker, for example, there is one disclosed in Patent Document 1.
  • the device disclosed in Patent Document 1 acts on each energizing member so as to clamp the first conductor and the second conductor inserted between the contacts at both ends of a pair of opposed contacts.
  • the biasing means is an elastic member that is on the back side of each energizing member and extends in the longitudinal direction of each energizing member, and both ends thereof are in the longitudinal direction of the energizing member. In addition to being locked to both end portions, the central portion in the longitudinal direction is locked to the frame.
  • the elastic pin that presses each contactor in a direction to sandwich the first conductor as the lead frame side conductor and the second conductor as the main body side conductor. Presses the first conductor and the second conductor with a substantially equal load by means of a frame arranged approximately at the center of each contact. For this reason, in order to insert the second conductor between each contact after the first conductor is inserted between the contacts and brought into contact with the contact portion, the elastic pin deformed by the frame is pressed. An insertion load that exceeds the pressure and the frictional resistance due to the coefficient of friction between each contact and the first conductor is necessary to insert the second conductor. When the circuit breaker is inserted, the operation load However, there was a problem that the circuit breaker was difficult to enter straight.
  • the first conductor, the second conductor, and each contact are subjected to silver plating to ensure contact reliability of the contact portion.
  • the silver plating is peeled off due to the large load caused by pressing. For this reason, the contact resistance of a contact part becomes large, and there also existed a problem that the heat_generation
  • the biasing means for biasing the pair of upper and lower contacts in the clamping direction is an elastic pin, but presses the first conductor and the second conductor due to restrictions on the length direction and displacement direction of each contact. There is a limit to the contact load that can be made, and there is also a limit to the magnitude of the short-circuit current that can flow.
  • the present invention has been made to solve the above-described problems, and can be inserted with a small thrust to insert the conductor between the contacts, and the contact portion between the conductor and the contact repeats insertion and extraction.
  • the terminal connection device is configured such that a pair of contact members each including a plurality of energization members that are arranged side by side and that can be independently operated vertically and seesaw, and at least two pairs of the contact members are arranged at an interval.
  • a frame which is held opposite to each other, and a conductor which is interposed between the frame and the back surface of each of the pair of contacts, and is inserted between the contacts on both ends of the pair of contacts.
  • a circuit breaker terminal connecting device comprising biasing means acting on each energizing member so as to sandwich
  • the biasing means is on the back side of each energizing member of the contact and extends in the longitudinal direction of each energizing member, and both end portions are locked to both end sides in the longitudinal direction of each energizing member, A part of the direction is locked to the frame, and each energizing member is clamped between the first conductor and the second conductor inserted between the contacts at both ends of the pair of contacts.
  • a first urging member that acts and a pin that penetrates the current-carrying member of each of the contacts in a width direction so as to be rotatable, and the first urging member is connected between the contact on the side where the terminal of the circuit breaker is inserted.
  • a second urging member that is rotated by the second conductor when the two conductors are inserted and acts to press the first urging member on the energizing member. is there.
  • the terminal connection device of the present invention since the insertion force required to insert the conductor between the contacts can be inserted with a small thrust, the silver plating treatment applied to the conductor and each contact is inserted into the conductor. Even when the pulling operation is repeated, the silver plating is not peeled off, and thus the contact resistance of the contact portion does not increase, and the heat generation of the contact resistance of the contact portion between each conductor and the contact is suppressed. Can do. Further, when the conductor is in the connection position, a large current such as a short-circuit current can be passed, and a high-quality and high-performance circuit breaker terminal connection device can be obtained.
  • FIG. 10 is an enlarged plan view of a second elastic pin in the terminal connection device of FIG. 9.
  • FIG. 10 is an enlarged front view of a second elastic pin in the terminal connection device of FIG. 9.
  • FIG. FIG. 1 is a plan view showing a terminal connection device according to Embodiment 1 of the present invention
  • FIG. 2 is a front view showing a state in which no conductor is connected
  • 3 and 4 are an enlarged plan view and an enlarged front view of the energizing member in Embodiment 1 of the present invention
  • FIGS. 5 and 6 are an enlarged plan view and an enlarged front view of the second elastic pin
  • 7 and 8 are a plan view and a front view showing a state in which conductors are connected.
  • reference numeral 11 denotes a plate-like frame having two pairs of upper and lower windows side by side.
  • Reference numeral 12 denotes a contact, which is composed of a plurality of current-carrying members 13 formed substantially on a plate.
  • the contact 12 constituted by the energizing member 13 forms a pair of two pairs, upper and lower, and the pair of contacts 12 and 12 are inserted into a pair of upper and lower windows of the frame 11 in a state of being opposed to each other.
  • the energizing member 13 is formed by pressing a copper material, and the surface thereof is subjected to silver plating.
  • the energizing member 13 will be described with reference to FIGS. 13a in the figure is a pair of contact surfaces that press the first conductor 17 or the second conductor 18 formed on one shearing surface, and 13b is a first recess formed in the length direction of one shearing surface. It is provided not at the center but at a position shifted from the center toward the first conductor 17 and the contact portion 13a. 13c is a pair of second recesses formed in the vicinity of both ends of the other shearing surface, and 13d is a protrusion formed on one side surface of the energizing member 13 that is not the shearing surface.
  • the position of the protrusion 13d is provided at a position symmetrical with respect to the center line C in the longitudinal direction, it does not necessarily have a target shape. For example, either one is provided at the position of the center line C. Also good.
  • This protrusion 13d is provided on the side surface of each energizing member 13, and fulfills the function of keeping the horizontal alignment distance constant.
  • Reference numeral 14 denotes an elastic member as a first urging member formed by cutting a rod-shaped spring wire such as a stainless steel wire or a piano wire, and is an elastic pin in this example.
  • the elastic pin 14 as the first urging member is on the back side of each energizing member 13 and extends in the longitudinal direction of each energizing member 13, and both end portions are both end portions in the longitudinal direction of the energizing portion 13.
  • the window of the frame 11 so as to be able to follow up and down and seesaw operation of the current-carrying portion 13 at a position shifted in the direction toward the conductor 17 and the contact portion 13a instead of the central portion in the longitudinal direction. It is locked to a part of the frame.
  • the elastic pin 14 as the elastic member is such that a part of the back side of the elastic member 14 and a part of the frame 11 are brought into point contact with each other at the engaging portion between the longitudinal direction and the frame 11. Yes. Further, at the engaging portions of the both end portions with the energizing member 13, a part of the elastic member 14 and a part of the energizing member 13 are brought into point contact.
  • both ends of the elastic pin 14 are respectively inserted and locked in second recesses 13 c and 13 c as locking portions provided on both ends of the back surface of the energization member 13.
  • the elastic pin 14 as an elastic member includes a first conductor 17 and a second conductor connected between the contact surfaces 13 a and 13 a of the pair of upper and lower current-carrying members 13 and 13.
  • Each energizing member 13 is pressed from both ends of the back surface in the direction in which the conductor 18 is sandwiched.
  • Reference numeral 15 denotes a support plate, which forms a part of the frame 11 by forming a window frame, that is, an inner frame, which partitions a window hole provided in the frame 11 into a pair of upper and lower windows.
  • each energizing member 13 is a distance in the longitudinal direction from the contact portion 13a that contacts the first conductor 17 that is a conductor on the lead frame side to the frame 11, and each energizing member 13 is a conductor on the main body side.
  • the second conductor 18 When the distance in the longitudinal direction from the contact portion 13a that contacts the second conductor 18 to the frame 11 is L1, the second conductor 18 is inserted if the position of the frame 11 is provided, for example, at a position of L1> L2. The load at the time can be reduced. Moreover, this latching state is comprised so that it may not fall, even if the contactor 12 moves up and down and seesaw.
  • Reference numeral 16 denotes a caulking pin for fixing the support plate 15 to the frame 11.
  • reference numeral 19 denotes an elastic member as a second urging member formed by cutting a rod-shaped spring wire such as a stainless steel wire or a piano wire.
  • 2 is an elastic pin.
  • 7 and 8 are a plan view and a front view showing a state in which the first conductor 17 and the second conductor 18 are connected between the pair of contacts, as shown in FIG. 7 and FIG.
  • the second elastic pin 19 is locked to the energizing members 13 and 13 so as to be rotatable by a pin 20 and a retaining ring 21 penetrating through a hole 13e provided in the energizing member 13.
  • the second elastic pin 19 does not press the elastic pins 14 and 14.
  • the contact portions 19b and 19b of the second conductor 18 and the second elastic pin 19 come into contact with each other and the second conductor 18 is further inserted, the second elastic pins 19 and 19 are moved in the width direction of the current-carrying members 13 and 13. Rotation is started around the pins 20, 20 installed through, and the second conductor 18 is further pushed in, so that the contact portions 19 a, 19 a at the other ends press the elastic pins 14, 14, The current-carrying members 13 and 13 are further pressed via 14.
  • the second elastic pins 19, 19 may not be elastic pins as long as the current-carrying members 13, 13 are pressed in the direction in which the conductor 18 is clamped. Further, as shown in FIGS. 9, 10, and 11, the second elastic pin 19 may have an integral shape common to the contacts 12 and 12 arranged side by side.
  • the elastic member in the form of a rod is described as an example of the elastic member. However, the elastic member is not limited to this, and the elastic member acts at least for each current-carrying member. Any configuration may be used as long as the locking portion is in point contact.
  • the circuit breaker terminal connection device is arranged side by side and arranged in a row, and each contactor is composed of a plurality of current-carrying members that can be operated somewhat vertically and seesaw independently.
  • a pair of at least two pairs of upper and lower contacts that are held in a pair spaced apart from each other in the vertical direction, and the frame and the back of each of the pair of opposed contacts A first urging member acting on each energizing member so as to clamp the conductor inserted between the contacts on both ends of the pair of opposing contacts, and a conductor inserted between the contacts It is provided with a second urging member that rotates by contact and acts on each energizing member so as to clamp the contact.
  • the insertion force necessary for inserting the conductor can be inserted with a small thrust, the silver plating treatment applied to the conductor and each contact is Even when the conductor insertion and extraction operations are repeated, the silver plating is not peeled off. Therefore, the contact resistance of the contact portion does not increase, and generation of high heat generation due to the contact resistance of the contact portion can be suppressed.
  • the circuit breaker when the circuit breaker is opened and closed, the current-carrying part inside the circuit breaker is less displaced in the current-carrying part opening and closing direction due to the on / off operation, so the displacement of the circuit breaker terminal and the terminal connection device is also smaller and applied to each contact It can suppress that the applied silver plating peels off. Therefore, the contact resistance of the contact portion does not increase, and generation of high heat generation due to the contact resistance of the contact portion can be prevented.
  • the pressing force for pressing the conductor can be set larger than that of the conventional elastic pin by installing the additional elastic spring, a larger short-circuit current can flow.
  • a rod-shaped elastic pin is described as an example of the elastic member.
  • the elastic member is not limited to this, and the elastic member acts at least for each current-carrying member. Any configuration may be used as long as the locking portion is in point contact.
  • the terminal connection device of the present invention is suitable for use in a drawer type circuit breaker.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Trip Switchboards (AREA)
  • Contacts (AREA)
  • Breakers (AREA)
PCT/JP2013/050908 2013-01-18 2013-01-18 端子接続装置 WO2014112098A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201380070831.XA CN104937779B (zh) 2013-01-18 2013-01-18 端子连接装置
JP2014557282A JP5781243B2 (ja) 2013-01-18 2013-01-18 端子接続装置
KR1020157016979A KR101718266B1 (ko) 2013-01-18 2013-01-18 단자 접속 장치
PCT/JP2013/050908 WO2014112098A1 (ja) 2013-01-18 2013-01-18 端子接続装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/050908 WO2014112098A1 (ja) 2013-01-18 2013-01-18 端子接続装置

Publications (1)

Publication Number Publication Date
WO2014112098A1 true WO2014112098A1 (ja) 2014-07-24

Family

ID=51209219

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/050908 WO2014112098A1 (ja) 2013-01-18 2013-01-18 端子接続装置

Country Status (4)

Country Link
JP (1) JP5781243B2 (zh)
KR (1) KR101718266B1 (zh)
CN (1) CN104937779B (zh)
WO (1) WO2014112098A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105762040A (zh) * 2016-05-04 2016-07-13 德力西电气有限公司 断路器用桥型触头及含该触头的框架断路器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020211508A1 (de) 2020-09-14 2022-03-17 Siemens Aktiengesellschaft Kopplungsvorrichtung, Schaltgerät und Montageverfahren

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02132714A (ja) * 1988-11-11 1990-05-22 Mitsubishi Electric Corp 引出形遮断器の端子接続装置
JPH056641U (ja) * 1991-03-18 1993-01-29 三菱電機株式会社 引出形遮断器の端子接続装置
JP2000134730A (ja) * 1998-10-27 2000-05-12 Mitsubishi Electric Corp 端子接続装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3381105A (en) * 1966-02-14 1968-04-30 Anderson Power Products Modular high current switch
FR2693843B1 (fr) * 1992-07-16 1994-08-19 Alsthom Gec Pince d'embrochage.
KR100771920B1 (ko) * 2006-10-17 2007-11-01 엘에스산전 주식회사 기중차단기의 핑거 모듈
EP2333800B1 (en) * 2007-11-06 2013-05-01 Mitsubishi Electric Corporation A switch comprising a blade-type moving contact
JP2009218063A (ja) * 2008-03-10 2009-09-24 Mitsutoshi Watanabe 電力供給用平形コネクタ
US7795551B2 (en) * 2008-04-15 2010-09-14 General Electric Company Racking of electrical distribution devices

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02132714A (ja) * 1988-11-11 1990-05-22 Mitsubishi Electric Corp 引出形遮断器の端子接続装置
JPH056641U (ja) * 1991-03-18 1993-01-29 三菱電機株式会社 引出形遮断器の端子接続装置
JP2000134730A (ja) * 1998-10-27 2000-05-12 Mitsubishi Electric Corp 端子接続装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105762040A (zh) * 2016-05-04 2016-07-13 德力西电气有限公司 断路器用桥型触头及含该触头的框架断路器
CN105762040B (zh) * 2016-05-04 2018-10-16 德力西电气有限公司 断路器用桥型触头及含该触头的框架断路器

Also Published As

Publication number Publication date
KR20150088865A (ko) 2015-08-03
CN104937779B (zh) 2018-01-05
CN104937779A (zh) 2015-09-23
KR101718266B1 (ko) 2017-03-20
JP5781243B2 (ja) 2015-09-16
JPWO2014112098A1 (ja) 2017-01-19

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