EP3910742B1 - Terminal de câblage compact - Google Patents

Terminal de câblage compact Download PDF

Info

Publication number
EP3910742B1
EP3910742B1 EP21174003.0A EP21174003A EP3910742B1 EP 3910742 B1 EP3910742 B1 EP 3910742B1 EP 21174003 A EP21174003 A EP 21174003A EP 3910742 B1 EP3910742 B1 EP 3910742B1
Authority
EP
European Patent Office
Prior art keywords
frame
wire
wiring
current
guiding
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.)
Active
Application number
EP21174003.0A
Other languages
German (de)
English (en)
Other versions
EP3910742A1 (fr
Inventor
Min CHE
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.)
Phoenix Contact Asia Pacific Nanjing Co Ltd
Original Assignee
Phoenix Contact Asia Pacific Nanjing Co Ltd
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 Phoenix Contact Asia Pacific Nanjing Co Ltd filed Critical Phoenix Contact Asia Pacific Nanjing Co Ltd
Publication of EP3910742A1 publication Critical patent/EP3910742A1/fr
Application granted granted Critical
Publication of EP3910742B1 publication Critical patent/EP3910742B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct 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
    • 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
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5008—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using rotatable cam
    • 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
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/301—Clamped connections, spring connections utilising a screw or nut clamping member having means for preventing complete unscrewing of screw or nut
    • 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
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • 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
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5066—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw mounted in an insulating housing having a cover providing clamping 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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
    • 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
    • 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
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • H01R4/40—Pivotable clamping member
    • 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
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means

Definitions

  • the present invention relates to a wiring terminal, in particular to a compact front wiring terminal, which belongs to the technical field of electrical connection.
  • FIG. 9 discloses a conventional front screw wiring terminal 900, the wiring structure of which mainly comprises a closed wire clamping frame 902, a screw 903 and a cam press block 909 installed in the wire clamping frame, and a current-guiding strip 910.
  • One end of the current-guiding strip 910 is to make electrical contact with the wire clamping frame 902, and the other end is to contact with a conductive spring clamp 911.
  • the terminal adopts front wiring, and a wire inlet 904 for wire access is provided on the screw side (front side) of the wire clamping frame 902, and a tool for rotating the screw also enters from the front side, that is, the cable connection and screw operation are in the same horizontal plane.
  • the tool After the wire (not shown) enters into the wire inlet 904 from the front side, the tool is used to rotate the screw 903.
  • the screw 903 When the screw 903 is driven down, it will drive the cam press block 909 in the wire clamping frame 902 to pivot, and press the wire on the current-guiding strip 910 to achieve conduction.
  • the size of the wiring terminal needs to be reduced due to the limited space, and the reduced size of the wiring terminal objectively results in a corresponding reduction of a conductive cross-sectional area (for example, the current-guiding strip becomes narrow). Therefore, the wiring capacity and current flowing capacity of the miniaturized wiring structure with an enclosed wire clamping frame plus a current-guiding strip are generally small.
  • a conventional front screw wiring terminal can only support 4 square millimeters (mm 2 ) of wiring capacity at most, and its current flowing capacity is about 30A.
  • mm 2 millimeters
  • CA 858 089 A discloses a clamp for electrical conductors comprising a U-shaped plate with good electrical conductivity and at least one pair of opposing elongated holes being arranged in the bent-up legs of said plate.
  • EP 3 525 289 A1 discloses a front screw wiring structure, comprising a housing, a fastening screw, a rotary press block, a reset spring sheet and an electric conductor, wherein the electric conductor is fixed in the housing, the rotary press block is rotationally connected to one end of the electric conductor, one end of the reset spring sheet is clamped onto the housing and the other end thereof abuts against the rotary press block, the fastening screw is threaded to the other end of the electric conductor, and one end of the fastening screw abuts against the rotary press block.
  • FR 3 035 747 A1 discloses a connection element of a cylindrical fuse to an electrical conductor comprises a one-piece piece forming a receiving cage for the electrical conductor and a jaw for receiving one end of the fuse.
  • DE 10 2014 101048 A1 discloses a plug-in type terminal block assembly, in particular comprising an insulating shell provided with a wire-off switch achieving separation of a conducting metal component and a conducting wire
  • US 2019/386407 A1 discloses a conductor connection terminal, having an insulating-material housing, a spring-force clamping connection point, which is disposed in the insulating-material housing and which has a clamping spring, and comprising a pivotably mounted actuating lever for actuating the clamping spring, wherein the actuating lever is movable from a closed position to an open position and vice versa, wherein the actuating lever has a driver element for deflecting a clamping leg of the clamping spring in order to open a clamping point of the conductor connection terminal, which clamping point is formed with the clamping leg, wherein the conductor connection terminal has at least one spring-holding element, which is not disposed on the actuating lever, for holding the clamping leg in the open position, such that the actuating lever is not loaded with the restoring force of the clamping spring when the clamping point is open.
  • DE 201 20 811 U1 discloses a bus bar terminal having a tension spring connection associated with an actuating lever for opening when a conductor is inserted, and a bus bar piece having an upper and a lower longitudinal leg which enclose a bus bar.
  • IT MI20 090 662 A1 discloses a female connector for the electrical connection between a power supply element and at least a male element of an electrical panel and / or an electronic board, comprising a substantially “U” body with base from which the parallel sides of the "U” depart; elastic means formed integral with the front part of the connector for coupling with the male and means for coupling with a corresponding housing seat.
  • This invention provides a compact wiring terminal to solve the problems existing in the prior art, and proposes a structure integrating a wiring structure and a guiding structure, so as to increase an effective conductive cross-sectional area of the terminal and thus arrive at a wiring terminal with larger wiring capacity and current flowing capacity.
  • a wiring terminal is defined in claim 1 and in particular comprises: a housing; and a wiring assembly located within the housing, the wiring assembly comprising a wiring frame, the wiring frame comprising a wire inlet for a wire in and out, and the wiring frame comprising conductive front and back side walls substantively parallel to a wire inletting direction, the wiring frame further comprising a current-guiding outlet part located on a side opposite to the wire inlet for forming an electrical contact, the current-guiding outlet part extending out from the front and back side walls and being integrated with the front and back side walls.
  • the current-guiding outlet part may comprise plug structures extending out from the front and back side walls respectively.
  • the plug structures may comprise one of a pin, an inserting needle and an inserting piece.
  • the current-guiding outlet part may comprise a pair of bases extending out from the front and back side walls respectively, the pair of bases converge with each other, the current-guiding outlet further comprises a plug structure or a conductive strip structure extending out from an end of the base.
  • the wiring frame comprises a wire clamping operation frame and a wire inlet current-guiding frame
  • the wire clamping operation frame and the wire inlet current-guiding frame are capable of being assembled with each other to form a closed frame with internal spaces communicating with each other.
  • the wire clamping operation frame is made of a first material
  • the wire inlet current-guiding frame is made of a second material
  • the first material has a strength greater than the second material
  • the second material has a conductivity greater than the first material
  • the wire clamping operation frame may be formed as a semi-open structure enclosed by two opposite side walls
  • the wire inlet current-guiding frame is formed as the other semi-open structure enclosed by two opposite side walls and a connection part connecting the two opposite side walls
  • the two side walls of the wire clamping operation frame engage with the two side walls of the wire inlet current-guiding frame respectively, so as to form a closed frame with internal spaces communicating with each other.
  • the wiring assembly further comprises a wire clamping component located within the wire clamping operation frame, the wire clamping component is capable of being operated by the operating tool, so as to clamp the wire entering into the wire inlet current-guiding frame or loosen the wire clamped within the wire inlet current-guiding frame.
  • the wire clamping component comprises a cam press block and a screw.
  • an upper end of the cam press block is supported by the wire clamping operation frame during the rotation of the cam press block driven by the screw, a side of the wire clamping operation frame is provided with a thread for the screw to screw in, and the housing is provided with a stop portion to prevent the screw from falling off.
  • the wire clamping component may comprise a cage-spring clamp, an assembly strip for matching with the cage-spring clamp is formed in the wire inlet current-guiding frame.
  • the wire clamping component may comprise a spring leaf and a button, when the button is pressed down by the operating tool, the spring leaf deforms to loosen the wire clamped by the spring leaf.
  • a stop structure perpendicular to an insertion portion of the wire is included in the wire inlet current-guiding frame, and the stop structure is used to limit the termination position of wire insertion.
  • the stop structure may be set to be equal to or larger than an area of the wire inlet.
  • the present invention further proposes a wiring assembly for the above wiring terminal.
  • the front wiring terminal of the invention improves the configuration of the wiring frame, by integrating the guiding structure and the wiring frame, multiple sides of the wiring frame are involved in the current conduction path, which increases the effective cross-sectional area of the current conduction, such that the wiring capacity and current flowing capacity are greatly improved within a limited space, and the goal of miniaturization and high performance is achieved.
  • Fig. 1 shows an overall structure of a compact front screw wiring assembly 100 according to an embodiment of the present invention.
  • the front screw wiring assembly 100 includes a wiring frame structure 20, a wire 4 may access from the front side (a wire inlet side) of the wiring frame structure 20, and the wire may be clamped by rotating a screw 24.
  • a conductive output is provided at the rear of the front screw wiring assembly 100.
  • the wire 4 itself is not a component part of the wiring assembly 100.
  • Fig. 2 is a schematic diagram of the front screw wiring terminal 100 shown in Fig. 1 along the C-C longitudinal section.
  • the front screw wiring assembly 100 may be accommodated in a housing, and one housing may include one or more front screw wiring assemblies 100 as required.
  • Fig. 3 is an exploded diagram of the front screw wiring assembly 100 shown in Fig. 1 .
  • the wiring frame structure 20 of the front screw wiring assembly 100 may include hollow wire clamping operation frame 21 and a wire inlet current-guiding frame 22 which can be assembled with and communicated in internal spaces with the wire clamping operation frame 21.
  • the front screw wiring assembly 100 may further include a cam press block 23 and a screw 24.
  • FIG. 4A shows a schematic diagram of two perspectives of the wire clamping operation frame 21, and Fig. 4B shows a schematic diagram of two perspectives of the wire inlet current-guiding frame 22.
  • the wire clamping operation frame 21 may include a body frame 210 and a pair of connection plates 212, the pair of connection plates 212 are formed by extending from the front and back walls of the body frame 210 to the right respectively and provided with arc depressions 211.
  • the upper wall of the body frame 210 is provided with a thread (not shown) for the screw 24 to screw into the interior of the body frame 210.
  • the wire inlet current-guiding frame 22 is formed of conductive materials, including a wire inlet connection part 220 in the upper portion for being electrically connected with the wire accessing from the front side, and a current-guiding outlet part 221 in the lower for forming an electrical connection with other electrical components in a plug-in or other way.
  • the wire inlet connection part 220 may be in U-shape, which includes a front wall, a back wall and a connection segment 223 connecting the right ends of the front wall and the back wall.
  • the current-guiding outlet part 221 may include a pair of bases 224 formed by extending down from the front wall and the back wall of the wire inlet connection part 220 respectively, and the pair of bases 224 may gradually converge with each other.
  • the current-guiding outlet part 221 is formed into an integrated structure with the wire inlet connection part 220.
  • a comb-like plug structure is further formed at the end of the base 224.
  • the left edges of the front wall and the back wall of the wire inlet connection part 220 may be raised respectively to form arc bodies 222, and the arc bodies 222 may be assembled in the arc depressions 211.
  • the wire inlet current-guiding frame 22 may be further provided with a stop structure 11. After the wire 4 is inserted into the wire inlet current-guiding frame 22, the lower surface of the wire may contact with the stop structure 11, thus prompting that the wire has been inserted in place.
  • the wire 4 when the diameter of the wire 4 is substantially equal to the distance between the front wall and the back wall of the wire inlet current-guiding frame 22, the wire is in an electrical contact with the three conductive sides (the front wall, the rear wall and the connection segment 223) of the wire inlet connection part 220. Since the conduction of the current follows the principle of the shortest path, and the bases 224 of the current-guiding outlet part 221 are an integrated structure extending from the front wall and the back wall of the wire inlet connection 220, the current on the wire is transmitted to the bases 224 of the current-guiding outlet part 221 through the front wall and the back wall of the wire inlet connection part 220.
  • the wiring frame structure 20 of the embodiments of the present application achieves a larger effective conductive cross section compared with the conventional wiring terminal shown in Fig. 9 in the case of the same size, thus improving the wiring capacity.
  • the arc depressions 211 on the wire clamping operation frame 21 and the arc bodies 222 on the current-guiding frame 22 can be assembled together, such that the wire clamping operation frame 21 and the wire inlet current-guiding frame 22 form an approximately closed wiring slot, the cam press block 23 is installed into the inner space of the wire inlet current-guiding frame 22 and the wire clamping operation frame 21 from the upper side of the current-guiding frame 22, and the upper end of the cam press block 23 is lapped on the connection plates 212 of the wire clamping operation frame 21.
  • the cam press block 23 can rotate freely in the approximately closed wiring slot.
  • the screw 24 may be reversed to the highest position with a tool (such as a screwdriver), at this moment the cam press block 23 is in a free state; the wire 4 may be inserted from the front side of the wire inlet current-guiding frame 22, and into the position where the lower surface of the wire contacts the stop structure 11 disposed in the current-guiding frame; after the wire 4 is inserted, the screw 24 is tightened with a screwdriver to drive the cam press block 23 to rotate, such that the wire 4 is pressed on the wire inlet current-guiding frame 22 to achieve conduction.
  • the upper end of the cam press block 23 is always in a close contact with the connection plates 212.
  • a stop portion may be provided on the housing containing the front screw wiring assembly 100.
  • Figs. 1-6 show the front screw wiring assembly 100, but do not show the housing (usually formed of insulating material). It should be understood that the form of the housing and the number of wiring components contained in the housing may be selected and adjusted according to the actual application requirements.
  • Figs. 1-3 show a frame structure formed by assembling the wire clamping operation frame 21 and the wire inlet current-guiding frame 22.
  • the wire inlet current-guiding frame 22 may be made of high conductivity material such as copper to ensure the flow of the current
  • the wire clamping operation frame 21 may be made of high strength material such as steel to ensure the required strength with a small size.
  • the present invention is not limited to this.
  • the wire clamping operation frame and the wire inlet current-guiding frame may be formed into an integrated structure, that is, a single frame structure is used to realize the functions of wire clamping, wire inletting and current-guiding. It can also be understood that for the two-bodies and multi-bodies implementation of the frame, the scheme different from Figs. 1-3 may also be adopted as required. For example, a variant embodiment may be implemented by assembling a upper frame and a lower frame.
  • the upper frame is provided with a screw inlet and a wire inlet, which substantively corresponds to the structure and function of the wire clamping operation frame 21 and the wire inlet connection part 220, while the lower frame substantively corresponds to the structure and function of the current-guiding outlet part 221.
  • the wire clamping operation frame 21 may not have connection plates extending laterally, but directly forms depression structures in the front and back side walls of the wire clamping operation frame 21 for assembling.
  • the arc bodies may be formed on the wire clamping operation frame 21, and the arc depressions may be formed on the wire inlet current-guiding frame 22.
  • the structure for assembling with each other may not be the arc and corresponding depression, but any other structure that can realize assembling (for example, various forms of interlocking engagement).
  • Fig. 2 shows that the area occupied by the stop structure 11 in the current-guiding frame 22 is less than the entering area of the wire
  • the stop structure 11 can be set equal to or greater than the area of the wire inlet to ensure a full contact with the end of the inserted wire and further ensure the current flowing capacity.
  • the current-guiding outlet part 221 of the front screw wiring assembly 2 has a plug structure formed as a pair of comb teeth, this is only an example.
  • the front screw wiring assembly of the invention is not limited to this, but may employ any plug structure suitable for forming electric contact at the lower end of the wiring assembly (for example, various forms of pins, inserting needles, and inserting pieces), or may employ a conductive strip at the end of the current-guiding outlet part instead of any specific plug structure, and add a spring clamp to lead the current/signal from the lower end of the front screw wiring assembly.
  • the plug structures may be formed by extending directly from the front wall and the back wall of the wire inlet connection part 220 without a transition portion such as the bases 224 (for example, the plug structure described below in conjunction with Figs. 7A-7C ).
  • the spring leaf and the button may be placed in the assembled or integrated wiring frame structure, and the current-guiding outlet part is formed in the wiring frame structure by extending out from front and back side walls of the wiring frame structure, so as to form a current conduction path from the front and back side walls to the current-guiding outlet part.
  • Figs. 7A-7C illustratively show a wiring assembly (a housing is not shown) suitable for a direct-plug terminal, in which a wire clamping component includes a spring leaf 702 and a button 701.
  • a wire clamping component includes a spring leaf 702 and a button 701.
  • the button 701 When the button 701 is pressed down by an operating tool, the spring leaf 702 deforms to loosen the wire clamped by the spring leaf.
  • Two walls of a wiring frame 703 extend downward to form a pin-type current-guiding outlet structure 704.
  • the wire accesses the wiring frame 703 and in an electrical contact with the two walls of the wiring frame 703, the current is mainly conducted along the two walls to the current-guiding outlet structure 704. It can be understood that when an overall cross-sectional area provided by four current-guiding outlet structures 704 is larger than a cross-sectional area of a current-guiding stripe of a conventional inserted frame, the current flowing capacity is increased.
  • the cage-spring clamp may be placed in an integrated or assembled wiring frame structure, and a current-guiding outlet part is formed in the wiring frame structure by extending out from front and back side walls of the wiring frame structure, so as to form a current conduction path from the front and back side walls to the current-guiding outlet part.
  • Figs. 8A-8D illustratively show, in an exemplary way, a wiring assembly (a housing is not shown) suitable for a direct-plug terminal, in which a wire clamping component includes a cage-spring clamp 801, on which a clamp port 802 is formed. An assembly strip 805 for matching with the cage-spring clamp 801 is also formed in the wiring frame. Referring to Fig.
  • the wire clamping and loosening operations do not need an external tool, so a tool inlet for tool in and out is not provided in a wiring scheme.
  • the compact wiring terminal of the invention by improving the wiring frame structure on the basis of the existing wiring technology, eliminates the bottleneck affecting the current flowing capacity in the miniaturization wiring scene, improve the wiring capacity and the current flowing capacity, and achieve the goal of miniaturization and high performance.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Claims (6)

  1. Borne pour fil électrique (100), comprenant :
    un boîtier ; et
    un ensemble de câblage situé dans le boîtier, l'ensemble de câblage comprenant un cadre de câblage (20), le cadre de câblage (20) comprenant une entrée de fil électrique pour l'entrée et la sortie d'un fil électrique, et le cadre de câblage (20) comprenant des parois latérales avant et arrière conductrices sensiblement parallèles à une direction d'entrée de fil électrique, le cadre de câblage (20) comprenant en outre une partie de sortie de guidage de courant située sur un côté opposé à l'entrée de fil électrique pour former un contact électrique, la partie de sortie de guidage de courant (221) s'étendant à l'extérieur depuis les parois latérales avant et arrière et étant intégrées aux parois latérales avant et arrière,
    caractérisée en ce que le cadre de câblage (20) comprend un cadre d'opération de serrage de fil électrique (21) et un cadre de guidage de courant d'entrée de fil électrique (22), le cadre d'opération de serrage de fil électrique (21) et le cadre de guidage de courant d'entrée de fil électrique (22) peuvent être assemblés l'un avec l'autre pour former un cadre fermé avec des espaces internes communiquant les uns avec les autres,
    dans laquelle l'ensemble de câblage comprend en outre un composant de serrage de fil électrique (23, 24) situé dans le cadre d'opération de serrage de fil électrique (21), le composant de serrage de fil électrique (23, 24) pouvant être actionné par un outil d'actionnement, de façon à serrer le fil électrique entrant dans le cadre de guidage de courant d'entrée de fil électrique (22) ou desserrer le fil électrique serré dans le cadre de guidage de courant d'entrée de fil électrique (22),
    dans laquelle le composant de serrage de fil électrique (23, 24) comprend un bloc de presse à came (23) et une vis (24),
    dans laquelle une extrémité supérieure du bloc de presse à came (23) est soutenue par le cadre d'opération de serrage de fil électrique (21) pendant la rotation du bloc de presse à came (23) entraînée par la vis, un côté du cadre d'opération de serrage de fil électrique (21) est pourvu d'un filetage pour que la vis soit vissée dans celui-ci, et le boîtier est pourvu d'une partie de butée pour empêcher la vis de tomber.
  2. Borne pour fil électrique (100) selon la revendication 1, dans laquelle la partie de sortie de guidage de courant (221) comprend des structures de fiche s'étendant à l'extérieur depuis les parois latérales avant et arrière respectivement.
  3. Borne pour fil électrique (100) selon la revendication 2, dans laquelle les structures de fiche comprennent l'une parmi une broche, une aiguille d'insertion et une pièce d'insertion.
  4. Borne pour fil électrique (100) selon la revendication 1, dans laquelle la partie de sortie de guidage de courant (221) comprend une paire de bases (224) s'étendant à l'extérieur depuis les parois latérales avant et arrière respectivement, la paire de bases convergent l'un avec l'autre, la sortie de guidage de courant comprend en outre une structure de fiche ou une structure de barrette conductrice s'étendant à l'extérieur depuis une extrémité de la base.
  5. Borne pour fil électrique (100) selon l'une quelconque des revendications précédentes, dans laquelle le cadre d'opération de serrage de fil électrique (21) est constitué d'un premier matériau, le cadre de guidage de courant d'entrée de fil électrique (22) est constitué d'un deuxième matériau, le premier matériau a une résistance supérieure à celle du deuxième matériau, et le deuxième matériau a une conductivité supérieure à celle du premier matériau.
  6. Borne pour fil électrique (100) selon l'une quelconque des revendications précédentes, dans laquelle le cadre d'opération de serrage de fil électrique (21) est formé sous la forme d'une structure semi-ouverte entourée par deux parois latérales opposées, le cadre de guidage de courant d'entrée de fil électrique (22) est formé sous la forme de l'autre structure semi-ouverte entourée par deux parois latérales opposées et une partie de liaison reliant les deux parois latérales opposées, lors de l'assemblage du cadre d'opération de serrage de fil électrique (21) et du cadre de guidage de courant d'entrée de fil électrique (22), les deux parois latérales du cadre d'opération de serrage de fil électrique (21) viennent en prise avec les deux parois latérales du cadre de guidage de courant d'entrée de fil électrique (22) respectivement, de façon à former un cadre fermé avec des espaces internes communiquant les uns avec les autres.
EP21174003.0A 2020-05-15 2021-05-17 Terminal de câblage compact Active EP3910742B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010412530.2A CN113675625B (zh) 2020-05-15 2020-05-15 一种紧凑型接线端子

Publications (2)

Publication Number Publication Date
EP3910742A1 EP3910742A1 (fr) 2021-11-17
EP3910742B1 true EP3910742B1 (fr) 2024-02-21

Family

ID=75936828

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21174003.0A Active EP3910742B1 (fr) 2020-05-15 2021-05-17 Terminal de câblage compact

Country Status (2)

Country Link
EP (1) EP3910742B1 (fr)
CN (1) CN113675625B (fr)

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA858089A (en) * 1969-07-24 1970-12-08 Simson Samuel Clamp for electrical conductors
DE8533714U1 (fr) * 1985-11-30 1987-01-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De
DE3719483A1 (de) * 1987-06-11 1988-12-22 Hoelscher Heinrich Tech Buero Schraubklemme zum anschluss elektrischer leitungen
JP3690165B2 (ja) * 1998-12-22 2005-08-31 松下電工株式会社 ピラー端子
DE20120811U1 (de) * 2001-12-21 2003-04-30 Weidmueller Interface Sammelschienen-Anschlußklemme
DE102008064632A1 (de) * 2008-03-20 2009-10-01 Phoenix Contact Gmbh & Co. Kg Elektrische Klemme
IT1399168B1 (it) * 2009-04-21 2013-04-11 Morsettitalia Spa Connettore per il collegamento elettrico di mezzi di alimentazione ad elementi maschi di circuiti
CN201498605U (zh) * 2009-09-10 2010-06-02 菲尼克斯亚太电气（南京）有限公司 直插式弹簧电连接器
DE102012005465B3 (de) * 2012-03-20 2013-05-08 Wieland Electric Gmbh Federklemme
CN103855529A (zh) * 2013-12-20 2014-06-11 江门市创艺电器有限公司 一种插接式接线端子组合件
CN203660146U (zh) * 2014-01-13 2014-06-18 泰科电子(上海)有限公司 连接器
FR3035747A1 (fr) * 2015-04-30 2016-11-04 Mersen France Sb Sas Element de connexion d'un fusible cylindrique a un conducteur electrique et porte-fusible equipe d'un tel element
DE102017103508B3 (de) * 2017-02-21 2018-06-07 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme
CN108232528B (zh) * 2018-02-12 2024-02-02 菲尼克斯亚太电气（南京）有限公司 一种正面螺钉接线结构
CN208127444U (zh) * 2018-04-16 2018-11-20 松下信息仪器（上海）有限公司 接线端子的安装结构

Also Published As

Publication number Publication date
EP3910742A1 (fr) 2021-11-17
CN113675625A (zh) 2021-11-19
CN113675625B (zh) 2024-02-02

Similar Documents

Publication Publication Date Title
US20080050949A1 (en) Electrical disconnect with adjacent wire receptacle boxes
CA2144205A1 (fr) Dispositif pour recevoir un wattmetre a contacts electriques ameliores
CA2497488A1 (fr) Ensemble terminal double fonction et appareil electrique incorporant cet ensemble
CN113422227A (zh) 电插座、电源线连接器、电源线插头和电气布线装置
WO2023217176A1 (fr) Ensemble fiche et douille
CN115579696A (zh) 母线槽及配电系统
US7473123B1 (en) Electrical disconnect with radially-spaced terminals
JP3067588B2 (ja) ブレーカスイッチ
US7628631B2 (en) In-line electrical disconnect with terminal holders
EP3910742B1 (fr) Terminal de câblage compact
US7134904B2 (en) Terminal unit for putting a lead into contact with a printed circuit board
US3001168A (en) Wiring device
CN115296096B (zh) 一种快速插拔小型化大电流连接器
CN211265744U (zh) 连接装置
CN210224511U (zh) 电源连接器
CN209786209U (zh) 分体式导电夹紧机构及具有该机构的接线端子
CN114008864A (zh) 印刷电路板的接口
CN218101769U (zh) 一种安全可靠型电源插座
CN110931991A (zh) 分体式导电夹紧机构及具有该机构的接线端子
CN217788812U (zh) 一种接线器
CN214673320U (zh) 汇流排装置
CN220155914U (zh) 一种接线器
CN217214605U (zh) 一种用于5g的断路器外壳
US20240154326A1 (en) Plug connection including a plug connector and a plug socket
CN116454667B (zh) 单边接触连接器组件

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

B565 Issuance of search results under rule 164(2) epc

Effective date: 20211004

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220517

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230530

RIC1 Information provided on ipc code assigned before grant

Ipc: H01R 13/11 20060101ALN20230713BHEP

Ipc: H01R 12/58 20110101ALN20230713BHEP

Ipc: H01R 4/48 20060101ALN20230713BHEP

Ipc: H01R 4/40 20060101ALN20230713BHEP

Ipc: H01R 11/05 20060101AFI20230713BHEP

RIC1 Information provided on ipc code assigned before grant

Ipc: H01R 13/11 20060101ALN20230720BHEP

Ipc: H01R 12/58 20110101ALN20230720BHEP

Ipc: H01R 4/48 20060101ALN20230720BHEP

Ipc: H01R 4/40 20060101ALN20230720BHEP

Ipc: H01R 11/05 20060101AFI20230720BHEP

RIC1 Information provided on ipc code assigned before grant

Ipc: H01R 13/11 20060101ALN20230726BHEP

Ipc: H01R 12/58 20110101ALN20230726BHEP

Ipc: H01R 4/48 20060101ALN20230726BHEP

Ipc: H01R 4/40 20060101ALN20230726BHEP

Ipc: H01R 4/30 20060101ALI20230726BHEP

Ipc: H01R 11/05 20060101AFI20230726BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20230905

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602021009511

Country of ref document: DE