EP3404692B1 - Appareil modulaire auxiliaire et ensemble électrique modulaire associé - Google Patents

Appareil modulaire auxiliaire et ensemble électrique modulaire associé Download PDF

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Publication number
EP3404692B1
EP3404692B1 EP18172566.4A EP18172566A EP3404692B1 EP 3404692 B1 EP3404692 B1 EP 3404692B1 EP 18172566 A EP18172566 A EP 18172566A EP 3404692 B1 EP3404692 B1 EP 3404692B1
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EP
European Patent Office
Prior art keywords
face
casing
auxiliary module
housing
internal
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
EP18172566.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3404692A1 (fr
Inventor
Geoffroy Bouteloup
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.)
Legrand SNC
Legrand France SA
Original Assignee
Legrand SNC
Legrand France SA
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
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Priority to PL18172566T priority Critical patent/PL3404692T3/pl
Publication of EP3404692A1 publication Critical patent/EP3404692A1/fr
Application granted granted Critical
Publication of EP3404692B1 publication Critical patent/EP3404692B1/fr
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Classifications

    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/1009—Interconnected mechanisms
    • H01H71/1018—Interconnected mechanisms with only external interconnections
    • 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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • 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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0264—Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel
    • 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
    • H01H71/082—Connections between juxtaposed circuit breakers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H2011/0093—Standardization, e.g. limiting the factory stock by limiting the number of unique, i.e. different components
    • 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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0264—Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel
    • H01H71/0271—Mounting several complete assembled circuit breakers together
    • H01H2071/0278—Mounting several complete assembled circuit breakers together with at least one of juxtaposed casings dedicated to an auxiliary device, e.g. for undervoltage or shunt trip
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/0264—Protective covers for terminals

Definitions

  • the present invention relates, in general, the field of modular devices to report on a rail of a switchboard.
  • the invention finds a particularly advantageous application in the realization of an auxiliary modular module of electric arc detection in a current line, also called AFDD according to the acronym "Arc Fault Detection Device”.
  • the auxiliary modular devices comprise at least one input of electrical connection cables and two openings (constituting electrical outputs) on the underside of the housing.
  • the main modular devices are electrically powered from the upper face of the housing and have electrical outputs on the underside, so that an auxiliary modular device adapted to be electrically connected to one of these main modular devices , must be able to be supplied from its lower face, which is close to the electrical outputs of said main modular apparatus, and must have its electrical outputs on this lower face.
  • the auxiliary modular devices include at least one input of electrical connection cables and two outlet openings on the upper face of the housing since in these countries, the main modular devices are electrically powered from the underside of the housing and have electrical outputs on the upper face.
  • Such an auxiliary modular apparatus is for example described in the document DE102015203778 .
  • the present invention proposes an auxiliary modular apparatus simple to manufacture, easily configured to be able to satisfy the electrical connection habits of each marketing country.
  • the auxiliary modular apparatus is configured simply by positioning the first element in one or other of the interior arrangements provided in said housing so that the assembly formed by the access openings to the terminals and the input of electrical connection cables is located either on the underside of the housing or on the upper face of said housing.
  • auxiliary modular apparatus from the same housing and the same first internal element, it is possible to obtain two configurations of the auxiliary modular apparatus: a first configuration in which the input and output electrical connections of said apparatus auxiliary module are made by the lower face of the housing of the auxiliary modular apparatus and a second configuration in which the input and output electrical connections are made by the upper face of said housing.
  • the invention also relates to a modular electrical assembly according to claim 15.
  • front and back will be defined relative to the view of the user turned to a modular device in the normal position of use in a cabinet or electrical cabinet.
  • front will refer to the side of the modular apparatus facing the user
  • back will refer to the side of the modular apparatus facing away from it.
  • the modular electrical assembly 100 to be placed on a row of an electrical panel housed in a cabinet or an electrical cabinet (not shown).
  • the modular electrical assembly 100 comprises an auxiliary modular apparatus 1 electrically and mechanically connected to a main modular apparatus 2.
  • the main modular apparatus 2 is a very conventional circuit breaker here and it will not be described in detail.
  • the circuit breaker 2 comprises an insulating housing 20 housing electric power input and output electrical connection terminals, interconnected by an electrical circuit that can be opened or closed by means of an electrical device. opening and closing 27 (see figure 1 ).
  • the casing 20 of the circuit breaker 2 is generally parallelepipedal with two parallel main lateral faces 21, a rear face 22 provided with a horizontal groove 22A for its mounting in a rail (not shown) of the cabinet or the electrical cabinet, one face before 24 which has projecting, in its central zone, a front portion 26 through which the housing 20 is intended to emerge from a plastron (not shown) of the cabinet or the electrical cabinet, and two upper and lower faces 23, 25 transverse.
  • the circuit breaker 2 is said to be "modular" in the sense that its main lateral faces 21 are spaced from each other by an integer multiple of a base module M, generally equal to 18 millimeters (mm).
  • the circuit breaker 2 has a width equal to a single base module M.
  • the casing 20 of the circuit breaker 2 comprises latches 29 which make it possible to lock the circuit-breaker 2 on the rail of the box or of the electrical cabinet. More particularly, the housing 20 is here equipped with a latch 29 upper (see figure 1 ) and a lower latch 29 (see figure 3 ). Each latch 29 is in the form of a plate that slides vertically between a locking position, to which it is naturally brought back by means of elastic return means, and an unlocking position. In the locking position, one end of each latch 29 emerges in the horizontal groove 22A of the rear face 22 of the housing 20 to engage the rail, and the other end of each latch 29 emerges protruding on the face upper or lower 23, corresponding 25 of the housing 20. This other end has an opening 29A which allows the user to pull the latch 29, against the elastic return means, to bring the latter into its unlocked position .
  • the opening and closing device 27 of the circuit breaker 2 is partly protruding from the front portion 26 of the housing 20.
  • This projecting portion of said opening and closing device 27 comprises a lever 27A connected to a controller 27B of maneuver.
  • the lever 27A is actuable by the lever 27B to open or close the electrical circuit connecting the input and output terminals of the circuit breaker 2.
  • the circuit breaker 2 is tripped, that is to say that the electrical circuit is open, which results in a lowered position of the controller 27B.
  • the handle 27B is instead in a raised position.
  • the auxiliary modular apparatus 1 associated with the circuit breaker 2 is here a modular electric arc detection device in a current line, also called AFDD according to the acronym "Arc Fault Detection Device”.
  • AFDD 1 automatically trips circuit-breaker 2 when a dangerous electric arc occurs in the electrical installation, in order to avoid fire starts.
  • the AFDD 1 trips the circuit breaker 2 when an electric arc is detected on one of the power supply currents or between the power supply currents of the modular electrical assembly 100.
  • the AFDD 1 encloses in a housing, on the one hand, an electronic part 41 adapted to monitor the electrical signal and to detect a possible electric arc, and, on the other hand, a mechanical part 40 adapted to trigger the circuit breaker 2 when necessary.
  • the electronic part 41 comprises an electric circuit 41A provided with various electronic components, and two toruses 41B adapted to monitor the power supply signal to detect any power supply faults.
  • the mechanical part 40 comprises a first lever 40A, one end of which is intended to be fitted in the lever 27B of the opening and closing device 27 of the circuit breaker 2 (see FIG. figure 1 ), a second lever 40B, and a triggering mechanism controlled by the electronic portion 41 and for actuating said second lever 40B to lower when an electric arc is detected.
  • the second lever 40B causes the tripping of the circuit breaker 2.
  • said handle 27B carries with it the first lever 40A of the mechanical part 40 of the AFDD 1, so that the AFDD 1 is also reset.
  • the AFDD 1 is an auxiliary device of the circuit breaker 2 in that it can be associated with said circuit breaker 2 to add the function of electric arc detection, the circuit breaker 2 can very well operate independently when AFDD 1 is not associated with him.
  • the AFDD 1 also has an insulating housing 10, whose shape is substantially similar to that of the housing 20 of the circuit breaker 2.
  • the housing 10 of the AFDD 1 is generally parallelepiped and has a rear face 12 provided with a horizontal groove 12A for its mounting in the rail of the cabinet or the electrical cabinet (see figure 2 ), two main lateral faces 11 parallel to each other and perpendicular to said rear face 12, two upper and lower transverse faces 13, 15 (see figures 1 and 3 ), perpendicular to said rear face 12 and to said lateral main faces 11, and a front face 14 which projects in its central zone, a front portion 16 through which the housing 10 is intended to emerge from the chest of the cabinet or the electrical cabinet.
  • the mechanical part 40 of the AFDD 1 is essentially housed in this front portion 16 of the housing 10 of the AFDD 1.
  • AFDD 1 is also "modular", its main lateral faces 11 being separated by a width equal to a single base module M (see FIG. figure 1 ).
  • the housings 10, 20 of the AFDD 1 and circuit breaker 2 are intended to be joined to one another by one of their respective main lateral faces 11, 21.
  • the AFDD 1 accommodates in its housing 10 hooking means adapted to cooperate with retaining with complementary fastening means provided on the housing 20 of the circuit breaker 2. More precisely, as shown in FIG.
  • the housing 10 of the AFDD 1 here houses hooks 42 emerging on the lateral main face 11 of said right housing 10, said hooks 42 engaging and clinging in corresponding slots (not visible) provided in the main side face
  • the free lateral faces 11, 21 of the housings 10, 20 of the AFDD and of the circuit-breaker 1, 2 can be placed side-by-side with other modular devices in the row of the electrical panel.
  • the modular electrical assembly 100 formed by the electrical and mechanical assembly of the circuit breaker 2 and the AFDD 1 is intended to be powered via power supply connectors (not shown).
  • circuit breaker 2 is adapted to receive said power supply connectors at the input, and to supply the output AFDD 1 which itself feeds, at its output, the rest of the row of the electrical panel.
  • the circuit-breaker 2 comprises, on one of the upper or lower faces 23, 25 of its housing 20, called the "entrance face”, access openings 23A to its input electrical connection terminals in which can be introduced said power supply connectors (see figure 1 ), and on the opposite face of said housing 20, called “outlet face”, access openings 25A to its electrical output connection terminals into which electrical connectors can be introduced, here electrical connection cables 3, 4, intended to electrically connect the AFDD 1 and the circuit breaker 2 (see figure 3 ).
  • the AFDD 1 has meanwhile, on the upper or lower face 13, 15 of its housing 10, called “useful face” of the housing 10, both openings 17A, 17B allowing access to housing 18A, 18B of electrical output terminals 49 located inside said housing 10 (see figure 5 ), and at least one input 19, located between the rear face 12 of the housing 10 and at least one of said openings 17A, 17B, for introducing inside said housing 10, said electrical connection cables 3, 4 from the circuit breaker 2.
  • the circuit breaker 2 is single-phase and has a phase current input terminal and a Neutral current input terminal N, each accessible from the upper face 23 (useful) of the housing 20, via one of the separate access openings 23A.
  • the electrical connection terminals are here screw terminals intended to receive power supply cables, and whose clamping screw is accessible from the front face 24 of the housing 20 via an opening 24A (see FIG. figure 1 ).
  • each electrical connection terminal could be an automatic terminal, for example designed to receive a tooth of a power supply comb.
  • the output face of the circuit breaker 2 is here the lower face 25 of the housing 20, and has two access openings 25A to the electrical output connection terminals, each receiving one of the electrical connection cables 3, 4 otherwise connected to the entry 19 of AFDD 1 (see figure 3 ).
  • the output face and the input face of the housing 20 of the circuit breaker 2 can be inverted. It is then customary to invert the useful face of the housing 10 of the AFDD 1, so that it always corresponds with the output face of the circuit breaker 2.
  • the length of the electrical connection cables 3, 4 is optimized , and the output connection usages of the modular devices are preserved.
  • the housing 10 of the AFDD 1 comprises interior arrangements 31, 33, 34 (see Figures 8 and 9 ) for mounting, in two possible positions within said housing 10, a first inner member 50 (shown in FIG. Figures 10 and 11 ) forming said openings 17A, 17B and said inlet 19: a first position of the first inner member 50 corresponds to the formation of said openings 17A, 17B and inlet 19 on said upper face 13 of the housing 10 ( figure 4 ), and a second position of said first inner member 50 corresponds to their formation on the underside 15 of said housing 10 ( figure 3 ).
  • said interior arrangements 31, 33, 34 are arranged symmetrically with respect to a median plane P extending parallel to said upper and lower faces 13, 15 of the housing 10 of the AFDD 1 and intersecting said lateral main faces 11 in two equal parts, so that said first inner member 50 is adapted to be mounted in said interior arrangements 31, 33, 34 according to said first and second positions, symmetrical with respect to said median plane P.
  • the AFDD 1 according to the invention is designed to easily adapt to different configurations of circuit breaker 2.
  • the AFDD 1 here comprises a first housing part 30, forming a first flange of the housing 10, assembled by interlocking and locking means to a second housing part 32, forming a second flange of the housing 10.
  • the first housing part 30 of the AFDD 1 shown separately on the figure 8 , has a main wall 301 whose outer face 301B integrally forms the left side main face 11 of the housing 10 of the AFDD 1 (see figure 5 ).
  • This main wall 301 is bordered by four secondary walls 302, 303, 304, 305 perpendicular to said main wall 301, namely a rear wall 302 having a recess 302A in recess, an upper wall 303 and a bottom wall 305 whose free edges.
  • 303A, 305A respective are cut to a particular shape, and a front wall 304 whose outer face 304B forms the front face 14 of the housing 10 of the AFDD 1 including the front portion 16 of said housing 10.
  • the inner face 301A of the main wall 301 of the first housing portion 30 carries positioning means, here four positioning wells 301C, adapted to receive complementary positioning means carried by the second housing portion 32 to guide the assembling said first and second housing portions 30, 32.
  • positioning means here four positioning wells 301C
  • complementary positioning means carried by the second housing portion 32 to guide the assembling said first and second housing portions 30, 32.
  • the front wall 304 of the first housing portion 30 is provided in its portion facing the second housing portion 32, of interlocking notches 304F adapted to cooperate by snap-fitting with complementary means for interlocking the second housing part 32.
  • the second housing part 32 of the AFDD 1 shown separately on the figure 9 , has a main wall 321 whose outer face 321B integrally forms the right side main face 11 of the housing 10 of the AFDD 1 (see figure 4 ).
  • This main wall 321 is bordered by three secondary walls 322, 323, 325 perpendicular to said main wall 321, namely a rear wall 322 having a recess 322A in recess, an upper wall 323 (at the bottom of the figure 9 ) and a bottom wall 325 (at the top of the figure 9 ) whose respective free edges 323A, 325A are cut into a particular shape.
  • said main wall 321 of the second housing portion 32 is pierced with a first buttonhole 321D through which is adapted to extend and move the first lever 40A of the AFDD 1 cooperating with the lever 27B of the circuit breaker 2 ( see figure 4 ).
  • This main wall 321 is also pierced by a second buttonhole 321G through which is adapted to extend and move the second lever 40B AFDD 1 to trigger the circuit breaker 2 (see figure 4 ).
  • the inner face 321A of said main wall 321 carries positioning pins 321C (here four in number) adapted to engage in the positioning wells 301C of the first housing portion 30.
  • the inner face 321A of the main wall 321 Furthermore, it bears ratchet teeth 321F, close to its free front edge, adapted to snap-fit into said interlocking notches 304F of the first housing portion 30.
  • Said main wall 321 finally carries rims 321E, near its free edge before and near its rear edge in the extension of the rear wall 322, adapted to fit respectively under the front wall 304 and under the rear wall 302 of the first housing portion 30.
  • the outer faces 302B, 322B of the rear walls 302, 322 of the first and second housing portions 30, 32, provided with their respective off-hook 302A , 322A together form the rear face 12 and the horizontal groove 12A of the housing 10 of the AFDD 1.
  • the interior arrangements 31, 33, 34 are carried by the inner faces 301A, 321A of the main walls 301, 321 of the first and second housing parts 30, 32. According to a variant not shown, it could also be envisaged that the interior fittings are carried only by the inner face of the main wall of one of the housing parts.
  • the interior arrangements 31, 33, 34 comprise positioning means adapted to cooperate with complementary positioning means of the first inner member 50.
  • the interior arrangements 31, 33, 34 form here, in each case portion 30, 32, a lower location 35 adapted to receive the first inner member 50 in its second position and an upper location 37 adapted to receive the first inner member 50 according to its first position.
  • the interior arrangements 31, 33, 34 of each lower and upper location 35, 37 of each housing portion 30, 32 comprise two positioning wells 33, 34 adapted to receive two positioning pins 57A, 57B, 58A , 58B carried by the first inner member 50 (shown in the Figures 10 and 11 ).
  • One of the two positioning wells 33 is located near the rear wall 302, 322 of the corresponding housing part 30, 32 and near the upper wall 303, 323 (in the upper location 37), respectively of the wall lower 305, 325 (in the lower slot 35).
  • the other positioning well 34 is located near the front wall 304 (for the first housing portion 30) or the front free edge of the main wall 321 (for the second housing portion 32), and further from the upper wall 303, 323 (in the upper location 37), respectively of the lower wall 305, 325 (in the lower location 35) than said positioning well 33.
  • the positioning wells 33, 34 serve as effective polarizers for positioning the first inner member 50 in each upper or lower location 37, 35 in its first or second position.
  • the interior arrangements 31, 33, 34 of each lower and upper location 35, 37 of each housing portion 30, 32 further comprise a wall 31 defining a receiving housing 35A, 37A of the first inner member 50.
  • the receiving housing 35A, 37A is delimited by the wall 31 in a contour corresponding substantially to the outer contour of said first inner member 50.
  • the wall 31 also serves as a polarizer for specifically positioning the first inner member 50 according to its second position in the lower location 35 , and according to its first position in the upper slot 37.
  • the first inner member 50 is a one-piece member made of an insulating material, for example by molding an insulating plastic material.
  • the first internal element 50 comprises a main part 500 to which an appendage 550 of a smaller width than that of said main part 500 is leaned against.
  • the main portion 500 of the first inner member 50 has a form generally inscribed in a parallelepiped and comprises two longitudinal faces 502, 504 parallel to each other, connected by two end transverse faces 501, 503, perpendicular to said longitudinal faces 502, 504, namely a front transverse face 501 and a rear transverse face 503.
  • a vertical central wall 505 extends perpendicularly to said longitudinal and transverse faces 502, 504, 501, 503 and separates the main portion 500 from the first inner member 50 into two symmetrical portions.
  • the lateral faces of the main part 500 are essentially open and open onto said central wall 505.
  • the central wall 505 defines a plane of symmetry of the first internal element 50.
  • first longitudinal face 502 is intended to be turned towards the outside of the housing 10 when the first internal element 50 is mounted in the interior fittings. 31, 33, 34 of the housing 10 of the AFDD 1, while the other opposite longitudinal face 504 of the main portion 500, called “second longitudinal face 504" is turned towards the inside of the housing of the AFFD 1
  • the lateral and front edges 502B, 502C of the first longitudinal face 502 of said main portion 500 define a contour of the first longitudinal face 502 corresponding to the particular contour defined by the free edges 303A, 323A, 305A, 325A of the upper and lower walls. 303, 323, 305, 325 of the assembled housing parts 30, 32 of the AFDD 1.
  • the rear transverse face 503 of the main portion 500 carries the appendix 550, at a distance from the first longitudinal face 502, so that said appendix 550 extends at the rear of the main portion 500, set back from said first longitudinal face 502.
  • the first longitudinal face 502 of the main portion 500 and the face 552 of the appendix 550 turned on the same side as said first longitudinal face 502 together form an essential face 52 of the first inner member 50.
  • the appendix 550 is disposed equidistant from the lateral faces of said main portion 500, so that the lateral edges 552A of the face 552 of the appendix 550 and a portion of the rear edge 502A of the first longitudinal face 502 of the main part 500 delimit together two passages 53A, 53B opening on either side of said appendix 550, on said main face 52 of the first inner element 50.
  • the first inner element 50 also has two windows 52A, 52B which open on said main face 52 of the first inner element 50.
  • Each window 52A, 52B of said first inner element 50 here has a closed contour in said face 52 of the first internal element 50.
  • the windows 52A, 52B are carried by the main portion 500 of the first inner member 50 and their closed contour is included in the first longitudinal face 502 of said main portion 500.
  • Each window 52A, 52B gives access to a housing 54A, 54B of electrical connection terminal defined in the main part 500 of the first inner element 50, said housings 54A, 54B being isolated from each other by the central wall 505 of the main part 500.
  • the housings 54A, 54B are intended to receive screw terminals, whose clamping screw is accessible via circular notches 501A, 501B provided on the face front transverse 501 of the main portion 500 of said first inner member 50, these circular notches 501A, 501B being placed opposite a pair of openings 304C provided in the front wall 304 of the housing 10.
  • the appendix 550 of said first inner member 50 carries in a rear region of each of its lateral faces, a positioning pin 57A, 57B adapted to engage in one of the corresponding positioning wells 33 of said housing parts 30, 32 of the AFDD 1.
  • the main portion 500 of the first inner member 50 carries meanwhile, on each of its lateral faces, close to its second longitudinal face 504, a positioning pin 58A, 58B adapted to engage in one of the other corresponding positioning wells 34 of said housing parts 30, 32.
  • the first inner member 50 when the first inner member 50 is mounted in its first position, it is attached in the upper location 37 of one of the housing portions 30, 32, generally in the upper location 37 of the first housing portion 30. , so that the positioning pin 57A of the appendix 550, respectively the positioning pin 58A of the main part 500, engages in the positioning well 33, respectively 34, of said upper location 37.
  • the positioning pins 57B, 58B of the first inner member 50 then engage respectively in the positioning wells 33, 34 of the upper location 37 of said second housing portion 32.
  • the side edges and before 502B, 502C of the first longitudinal face 502 of said main portion 500 are then in contact with the free edges 303A, 323A of the upper walls 303, 323 of said housing parts 30, 32 of the AFDD 1 (see figure 4 ) so that said first longitudinal face 502 is flush with the outer face 303B, 323B of said upper walls 303, 323 so that together these faces form the upper face 13 of the AFDD 1 casing 1.
  • the locating pins 57A, 57B of the appendix 550 engage in the positioning wells 33 of the lower locations 35 of the first and second housing portions 30, 32, and the locating pins 58A, 58B of the main portion. 500 engage in the other positioning wells 34 of said lower locations 35, so that the side and front edges 502B, 502C of the first longitudinal face 502 of said main portion 500 of the first inner member 50 come into contact with the free edges 305A , 325A of the lower walls 305, 325 of said housing parts 30, 32 (see figure 3 ).
  • the first longitudinal face 502 of the first inner member 50 is then flush with the outer face 305B, 325B of said lower walls 305, 325 so that together these faces form the useful lower face 15 of the housing 10 of the AFDD 1.
  • the first internal element 50 mounted in the housing 10 is entirely contained in an internal space of said housing 10, only said first longitudinal face 502 of the main part 500 of the first inner member 50 flush with the outer face of the housing 10 of the AFDD 1.
  • the essential face 52 of the first inner member 50 is then the only face of said inner member 50 accessible from outside the housing 10, to connect as input and at the exit AFDD 1.
  • each passage 53A, 53B forms a separate entrance for the introduction of the electrical connection cables 3, 4 in the AFDD 1.
  • the input 19 of the housing 10 of the AFDD 1 is constituted by the two passages 53A, 53B separate opening on the face 52 of the first element internal 50.
  • the windows 52A, 52B of the first inner element 50 mounted in the housing 10 constitute the openings 17A, 17B of the housing 10 of the AFDD 1 giving access to the housings 18A, 18B of the electrical connection terminals 49 of the AFDD output 1 , said housings 18A, 18B being constituted by the housings 54A, 54B of said first inner element 50.
  • the circular notches 501A, 501B provided on the front transverse face 501 of the main portion of said first inner member 50 extend, rearward, said circular openings 304C provided on the wall before 304 of the first housing part 30 (see figures 2 and 4 ) to provide access to said clamping screws of the electrical connection terminals 49.
  • the AFDD 1 allows to satisfy circuit breaker 2 configurations worldwide.
  • the number of parts and the length of the electrical connection cables 3, 4 are optimized, which increases its manufacturing profitability.
  • the first inner member 50 carries, perpendicular to the first longitudinal face 502 of the main portion 500 of said first member 50, in the space separating said windows 52A, 52B, an insulating wall 55.
  • the insulating wall 55 extends longitudinally from front to back, over a distance greater than the length of each window 52A, 52B.
  • the insulating wall 55 electrically isolates two electrical cables connected in the electrical connection terminals 49, via the windows 52A, 52B of the first internal element 50. electrical connection terminals 49 do not touch, especially in cases where they are stripped too far. This advantageously enhances the electrical safety of the user.
  • the AFDD 1 further comprises a cover 90 adapted to be attached to the useful face (upper or lower 13, 15) of the housing 10 of the AFDD 1 so as to cover the inlet 19 of this housing 10 as well as the portions of the electrical connection cables 3, 4 which enter, while leaving free access to the openings 17A, 17B of said housing 10 formed by the windows 52A, 52B of the first inner member 50.
  • the cover 90 has two portions 91, 92 generally perpendicular to each other and forming an L in the case where the cover covers the upper face 13 of the housing 10 (see FIG. figure 4 ), and a mirror L in the case where it covers the lower face 15 of the housing 10 (see figure 5 ), being considered here that the AFDD 1 is placed to the left of the circuit breaker 2.
  • the first portion 91 transverse, is intended to cover the inlet 19 in the housing 10 of the AFDD 1
  • the second portion 92 longitudinal, is intended to partially cover the outlet face 23, 25 of the circuit breaker 2, so that the cover 90 protects and houses the portions of the connection cables 3, 4 current outside said housings 10, 20.
  • the cover 90 comprises hooking means adapted to cooperate with retaining with complementary attachment means provided on the housing 10 of the AFDD 1.
  • a lug 91A provided with a fixing tooth 91B extends to the rear of the first portion 91 of the cap 90.
  • the fixing tooth 91B is intended to snap behind a bead 305C, 303C provided along the edge free 305A, 303A of the lower or upper wall 305, 303 of the first housing portion 30, above the first inner member 50 (see figure 8 ).
  • the appendix 550 of the first internal element 50 provided at a distance from the first longitudinal face 502 of the main part 500 of said first member 50 releases access for attachment of the fixing tooth 91B under the bead 303C, 305C.
  • the second portion 92 of the cover 90 comprises two flexible tabs 92A, each terminated by a fixing tooth 92B intended to engage in a groove 23B (see FIG. figure 1 ) of the upper or lower face 23, 25 of the housing 20 of the circuit breaker 2, and to snap under the corresponding wall of the housing 20.
  • the cover 90 is locked in position on said housings 10, 20 by means of a pin of lock 93 (see figure 5 ) for engaging said groove 23B between the flexible tabs 92A to lock the fixing teeth 92B in place on the housing 20.
  • the hood 90 locked on the housings 10, 20 enhances the safety of the user, and prevents it from accidentally tearing the connection cables 3, 4 of the connection terminals in which they are connected.
  • the dimensions of the first and second portions 91, 92 of the cover 90, as well as their respective position, can be adapted to maintain the wire cover function of said cover 90, including when the housings 10, 20 have a width greater than a module M (eg equal to 2 M modules), or when AFDD 1 is placed to the right of circuit breaker 2.
  • a module M eg equal to 2 M modules
  • the AFDD 1 finally comprises a second internal member 60 adapted to be mounted in the interior arrangements 31, 33, 34 of said housing 10 left free by the first inner member 50, so as to close the face of the housing 10 of the AFDD 1 opposite the useful face of said housing 10.
  • the second inner member 60 is formed of a single piece of insulating plastic material. As shown by Figures 12 and 13 the second inner member 60 has a shape close to that of the first inner member 50. It comprises a main portion 600 whose shape is largely similar to that of the main portion 500 of the first inner member 50 except that it is longer than said main portion 500 of the first inner member 50.
  • the rear transverse face 603 of the main portion 600 carries an appendix 650, which extends in the extension of a first longitudinal face 602 of the main portion 600.
  • L appendix 650 extending at the rear of the main portion 600 thus forms with the first longitudinal face 602 of said first portion 600, a flat face 62 of the second inner member 60.
  • the flat face 62 of the first element 60 is intended to be turned towards outside the housing 10 of the AFDD 1 when the second inner member 60 is mounted in said housing 10, and the side edges, front and rear 62B, 62C, 62D of said flat face 62 (see figure 12 ) define a contour adapted to coincide with the free edges 303A, 323A, 305A, 325A of the upper and lower walls of the assembled housing portions 30, 32, so that when the second inner member 60 is mounted in the interior fittings 31, 33, 34, said planar face 62 and the outer faces 303B, 323B, 305B, 325B of said upper or lower walls 303, 305 of the housing portions 30, 32 together form the upper or lower face of the housing 10 of the AFDD 1 ( see figure 1 ).
  • the appendix 650 has at the rear a recess 651 recessed, adapted to attach to said bead 303C, 305C corresponding to the upper or lower wall 303, 305 of the first housing portion 30 of the AFDD 1 (see figure 8 ).
  • the second internal element 60 also has a blind hole 63 which opens onto said flat face 62.
  • This blind hole 63 is intended to receive at least one connection tooth of a power supply comb, so that each tooth that it hosts does not produce any electrical connection with the AFDD 1.
  • the second internal element 60 finally carries in a region before its main portion 600, shutters 64 for closing the circular openings 304C of the front wall 304 of the housing 10 of the AFDD 1 to close said housing 10 in the region hosting the second inner member 60 (see figures 2 , 4 , 5 , 6 and 7 ).
  • the second inner member 60 carries similar positioning pins 67A, 67B, 68A, 68B to those of the first inner member 50.
  • the appendix 650 carries, on each of its lateral faces, the positioning pin 67A, 67B adapted to engage in one of the corresponding positioning wells 33 of said housing parts 30, 32
  • the main part 600 carries, on each of its lateral faces, near its second longitudinal face 604, the positioning pin 68A, 68B adapted to engage in one of the other corresponding positioning wells 34 of the housing parts 30 , 32 of AFDD 1.
  • the first internal element 50 is mounted in the first housing portion 30 in the upper or lower location 37, 35 located on the output face of the circuit breaker 2.
  • the mechanical and AFDD electronics 40, 41 are mounted in said first housing portion 30, and the electrical output connection terminals 49 of the AFDD 1 are added in the housings 54A, 54B of the first inner element 50.
  • the cables of FIG. electrical connection 3, 4 are introduced into the corresponding passages 53A, 53B and connected along a predetermined path in the electronic part 41, so that a sufficient length of connection cable 3, 4 projects outside the housing 10.
  • the second inner member 60 is mounted in the interior arrangements 31, 33, 34 of the housing 10 of the AFDD 1 symmetrical to those receiving said first inner member 50, so that said blind hole 63 is accessible. ssible from one of said upper and lower faces 13, 15 of the housing 10, opposite the useful face of said housing 10.
  • the second housing portion 32 is attached to the first housing portion 30 and said housing portions 30, 32 are locked one to the other by locking means, here in the form of rivets 39 inserted into holes provided on each housing portion 30, 32.
  • the rivets 39 pass right through the housing 10 of the AFDD 1 (see figures 4 and 5 ).
  • the main lateral wall 11 of the AFDD 1 is then contiguous to the main wall of the circuit breaker 2 so that the first lever 40A engages in the lever 27B, and the hooks 42 of the AFDD 1 engage in the corresponding slots of the housing 20.
  • the electrical connection cables 3, 4 are then connected in the output electrical connection terminals of the circuit breaker 2, and the cover 90 is attached to the useful face of the AFDD 1 and the output face of the circuit breaker 2 and locked on the housings 10, 20.
  • the main modular apparatus is a circuit breaker. It could be any other main modular apparatus adapted to be associated with an auxiliary modular apparatus.
  • the auxiliary modular device presented is an AFDD, but it could be any other auxiliary modular device, for example an auxiliary device providing the differential function to a circuit breaker.

Landscapes

  • Casings For Electric Apparatus (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connection Or Junction Boxes (AREA)
  • Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)
EP18172566.4A 2017-05-19 2018-05-16 Appareil modulaire auxiliaire et ensemble électrique modulaire associé Active EP3404692B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18172566T PL3404692T3 (pl) 2017-05-19 2018-05-16 Modułowy aparat pomocniczy i powiązany z nim modułowy zestaw elektryczny

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1754459A FR3066653B1 (fr) 2017-05-19 2017-05-19 Appareil modulaire auxiliaire et ensemble electrique modulaire associe

Publications (2)

Publication Number Publication Date
EP3404692A1 EP3404692A1 (fr) 2018-11-21
EP3404692B1 true EP3404692B1 (fr) 2019-07-31

Family

ID=59811456

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EP18172566.4A Active EP3404692B1 (fr) 2017-05-19 2018-05-16 Appareil modulaire auxiliaire et ensemble électrique modulaire associé

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EP (1) EP3404692B1 (ru)
CN (1) CN108933064B (ru)
FR (1) FR3066653B1 (ru)
PL (1) PL3404692T3 (ru)
RU (1) RU2756851C2 (ru)

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Publication number Priority date Publication date Assignee Title
FR3107596B1 (fr) * 2020-02-26 2022-03-04 Legrand France Compteur modulaire de charge
FR3120994B1 (fr) * 2021-03-22 2023-09-29 Omelcom Support modulaire pour coffret de communication

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3426173A1 (de) * 1984-07-16 1986-01-23 Hilti Ag, Schaan Eintreibgeraet fuer befestigungselemente, wie naegel, klammern und dergleichen
FR2656464B1 (fr) * 1989-12-22 1992-03-27 Merlin Gerin Boitier isolant pour un disjoncteur differentiel a neutre passant ou sectionne.
DE4419380C1 (de) * 1994-05-30 1995-10-19 Siemens Ag Leistungsschaltermodul
IT1271261B (it) * 1994-12-13 1997-05-27 Bticino Spa Modulo di protezione differenziale con accoppiamento di sicurezza a blocco interruttore multipolare
RU21254U1 (ru) * 2001-06-25 2001-12-27 Открытое акционерное общество "Электрощит" Комплектное распределительное устройство
RU2217851C1 (ru) * 2002-03-14 2003-11-27 Общество С Ограниченной Ответственностью "Промышленная Группа Тэл Таврида Электрик" Комплектное распределительное устройство "etalon"
RU45053U1 (ru) * 2004-11-26 2005-04-10 Общество с ограниченной ответственностью "ТПЭ-Тяжпромэлектро" Устройство этажное распределительное блочное
FR2930838B1 (fr) * 2008-05-05 2010-04-16 Schneider Electric Ind Sas Dispositif electrique modulaire
ITBG20090020U1 (it) * 2009-07-28 2011-01-29 Abb Spa Dispositivo di commutazione elettrica per circuiti di bassa tensione.
US9196441B2 (en) * 2013-04-19 2015-11-24 Abl Ip Holding Llc Modular relay sub-assembly
FR3016731B1 (fr) * 2014-01-21 2016-01-29 Legrand France Interface d'interconnexion d'un disjoncteur et d'un parafoudre, parafoudre comprenant une telle interface et ensemble electrique auto-protege comportant un parafoudre et un disjoncteur interconnectes par une telle interface
DE102015203778B4 (de) * 2015-03-03 2021-02-25 Siemens Aktiengesellschaft Elektromechanisches Schutzschaltgerät und Anordnung

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None *

Also Published As

Publication number Publication date
CN108933064B (zh) 2019-12-17
RU2018118140A3 (ru) 2021-04-13
FR3066653B1 (fr) 2019-07-12
RU2756851C2 (ru) 2021-10-06
FR3066653A1 (fr) 2018-11-23
PL3404692T3 (pl) 2020-03-31
RU2018118140A (ru) 2019-11-18
EP3404692A1 (fr) 2018-11-21
CN108933064A (zh) 2018-12-04

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