EP4564391A1 - Elektronisch schaltende schutzvorrichtung mit kühlkörper - Google Patents

Elektronisch schaltende schutzvorrichtung mit kühlkörper Download PDF

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Publication number
EP4564391A1
EP4564391A1 EP24216528.0A EP24216528A EP4564391A1 EP 4564391 A1 EP4564391 A1 EP 4564391A1 EP 24216528 A EP24216528 A EP 24216528A EP 4564391 A1 EP4564391 A1 EP 4564391A1
Authority
EP
European Patent Office
Prior art keywords
electronic
cut
phase
face
component
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.)
Pending
Application number
EP24216528.0A
Other languages
English (en)
French (fr)
Inventor
Vincent GACEUS
Thibaut ZEISSLOFF
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.)
Hager Next
Original Assignee
Hager Next
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 Hager Next filed Critical Hager Next
Publication of EP4564391A1 publication Critical patent/EP4564391A1/de
Pending legal-status Critical Current

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Classifications

    • 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
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/548—Electromechanical and static switch connected in series
    • 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
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/52—Cooling of switch parts
    • 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
    • H01H2071/124—Automatic release mechanisms with or without manual release using a solid-state trip unit with a hybrid structure, the solid state trip device being combined with a thermal or a electromagnetic trip
    • 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
    • H01H71/1045—Multiple circuits-breaker, e.g. for the purpose of dividing current or potential drop

Definitions

  • the invention relates to the field of electronic cut-off protection devices with a heat sink.
  • Electronically cut-off protective devices with a heat sink are known, for example, from the publication WO2022106527A1 or publication WO22243456A1 These documents particularly concern finding a solution to efficiently evacuate the heat released by electronic power cut-off components, such as power transistors.
  • the cut-off block comprising the power switches of a phase line between several conductive plates and the walls of the device housing, which has the advantage of allowing the dissipation of thermal energy and therefore reducing the number of semiconductor cut-off components.
  • the thermal energy released by the switches is here dissipated to the outside of the device by conduction along the phase electrical conductors.
  • the thermal energy is mainly dissipated by conduction and by radiation through the conductive parts to the outside of the device.
  • the entire phase current flow chain inside the circuit breaker is concerned, i.e.
  • the present invention aims to overcome at least one of these drawbacks and aims to propose an alternative solution to the known prior art having a limited impact on the material of the housing and making it possible to facilitate the assembly of the electronic cut-off protection device and thus to optimize the overall impedance of the protection device.
  • the conductive part 4 of the first phase 2 connection terminal incorporates a phase conductive portion 9 which is electrically and thermally interfaced with the electronic cut-off unit 6 comprising said at least one electronic power cut-off component 7 of the phase P current line.
  • No connection by means of an electrical cable or electrical braid is used to connect the first phase 2 connection terminal to the heat sink 8 formed by the phase conductive portion 9.
  • the conductive part 4 and the phase conductive portion 9 are in fact in the form of a single-piece conductive part 10.
  • phase conductive portion 9 can allow the flow of electric current in the direction from the second phase connection terminal 3 to the first phase connection terminal 2 or in the direction from the first phase connection terminal 2 to the second phase connection terminal 3.
  • phase conductive portion 9 makes it possible to evacuate the heat coming from said at least one electronic power cut-off component 7 towards the first phase connection terminal 2 by thermal conduction.
  • evacuation of the heat is carried out at least by thermal conduction in the single-piece conductive part 10 towards the first phase connection terminal 2.
  • phase conductive portion 9 is electrically and thermally connected to said electronic cut-off unit 6 without conductive braid or conductive cable.
  • the thermal conduction of the heat coming from said electronic cut-off unit 6 to the phase conductive portion 9 is carried out without an intermediary and is therefore improved.
  • the assembly operations of the electronic cut-off protection device are also simplified and the overall impedance of the protection device is further improved.
  • the phase conductive portion 9 is electrically and thermally connected to said electronic cut-off unit 6 by forming at least one direct electrical and thermal contact with said at least one electronic power cut-off component 7.
  • This configuration makes it possible to minimize the thermal resistance between the electronic power cut-off component 7 and the phase conductive portion 9.
  • the electronic power cut-off component 7 comprises a dissipating element
  • the latter will be in direct contact with the phase conductive portion 9 to thus form a direct electrical and thermal contact.
  • the phase conductive portion 9 is electrically and thermally connected to said electronic cut-off unit 6 without direct electrical and thermal contact with said at least one electronic power cut-off component 7.
  • this preferred configuration has the advantage of not requiring direct contact between the phase conductive portion 9 and said at least one electronic power cut-off component 7, this results in greater freedom of design of the electronic cut-off unit 6, since the phase conductive portion 9 does not necessarily have to be in the immediate vicinity of the electronic power cut-off component 7.
  • this configuration makes it possible to use electronic power cut-off components 7 which comprise a dissipating element configured to be towards the second face 14 of the electronic card 12 to be electrically connected to it.
  • the electronic power cut-off component 7 comprises a dissipating element
  • the phase conductive portion 9 will be electrically and thermally connected to the electronic power cut-off component 7 via an intermediate element preferably forming part of said electronic cut-off unit 6, connected both to the phase conductive portion 9 and to the electronic power cut-off component 7.
  • said electronic cut-off unit 6 comprises at least one electronic card 12 comprising a first face 13 and a second face 14 opposite the first face 13 and said electronic cut-off unit 6 comprises a first assembly E1 of at least one electronic power cut-off component 7 on said phase current line P mounted on the first face 13 or the second face 14 and a second assembly E2 of at least one electronic power cut-off component 7 on said phase current line P mounted on the first face 13 or the second face 14 and electrically connected head-to-tail to said at least one electronic power cut-off component 7 of the first assembly E1.
  • said at least one electronic power cut-off component 7 of the first assembly E1 and said at least one electronic power cut-off component 7 of the second assembly E2 either on the same face 13, 14 of the electronic card 12 ( figures 1 to 4 ), or on the opposite faces 13, 14 of the electronic card 12 ( figures 5 to 7 ).
  • said at least one electronic power cut-off component 7 of the first assembly E1 is mounted on the second face 14 and comprises a dissipating element oriented against the second face 14, the phase conductive portion 9 comprises a contact interface 15 which is arranged opposite the first face 13, against the latter and being aligned with said at least one electronic power cut-off component 7 of the first assembly E1 and is electrically and thermally connected to the electronic card 12 without direct electrical and thermal contact with said at least one electronic power cut-off component 7 of the first assembly E1.
  • phase conductive portion 9 it is not necessary for the phase conductive portion 9 to be mounted on the same face of the electronic card 12 as said at least one electronic power cut-off component 7 of the first assembly E1 to establish the electrical and thermal connection between the phase conductive portion 9 and said at least one electronic power cut-off component 7 of the first assembly E1.
  • said at least one electronic power cut-off component 7 of the second assembly E2 is mounted on the second face 14 while being adjacent to said at least one electronic power cut-off component 7 of the first assembly E1 and comprises a dissipating element oriented against the second face 14.
  • said at least one electronic power cut-off component 7 of the first assembly E1 and said at least one electronic power cut-off component 7 of the second assembly E2 are mounted on the same face, namely the second face 14.
  • the electronic cut-off protection apparatus comprises an additional phase conductive plate 11 forming on the one hand a second part of the phase current line P and on the other hand a heat sink 8, the additional phase conductive plate 11 being electrically and thermally connected to said electronic cut-off unit 6 so as to dissipate the heat coming from said at least one electronic power cut-off component 7 of the second assembly E2 at least by thermal conduction and to conduct the current to said electronic cut-off unit 6 coming from the second phase connection terminal 3, if the phase conductive portion 9 is electrically connected to said electronic cut-off unit 6 so as to conduct the current coming from said electronic cut-off unit 6.
  • the electronic cut-off protection apparatus is configured to allow the flow of electric current in the direction from the second phase connection terminal 3 to the first phase connection terminal 2 via the additional phase conductive plate 11 which is configured to conduct the electric current coming from the second phase connection terminal 3 to the electronic cut-off unit 6 and via the phase conductive portion 9 which is configured to conduct the electric current coming from the electronic cut-off unit 6 to the conductive part 4 of the first phase connection terminal 2.
  • phase conductive portion 9 makes it possible to evacuate the heat coming from said at least one electronic power cut-off component 7 of the first assembly E1 to the first phase connection terminal 2 by thermal conduction and the additional phase conductive plate 11 makes it possible to evacuate the heat coming from said at least one electronic power cut-off component 7 of the second assembly E2 to the second phase connection terminal 3 by thermal conduction thermal.
  • the heat evacuation is carried out by thermal conduction in the single-piece conductive part 10 towards the first phase connection terminal 2 and in the additional phase conductive plate 11 towards the second phase connection terminal 3.
  • the additional phase conductive plate 11 is not necessary for the additional phase conductive plate 11 to be mounted on the same face of the electronic card 12 as said at least one electronic power cut-off component 7 of the second assembly E2 to establish the electrical and thermal connection between the additional phase conductive plate 11 and said at least one electronic power cut-off component 7 of the second assembly E2.
  • the electronic cut-off protection device comprises an additional phase conductive plate 11 forming on the one hand a second part of the phase current line P and on the other hand a heat sink 8, the additional phase conductive plate 11 being electrically and thermally connected to said electronic cut-off unit 6 so as to dissipate the heat coming from said at least one electronic power cut-off component 7 of the second assembly E2 at least by conduction. thermal and to conduct the current coming from said electronic cut-off unit 6, if the phase conductive portion 9 is electrically connected to said electronic cut-off unit 6 so as to conduct the current coming from the first phase connection terminal 2.
  • the electronic cut-off protection device is configured to allow the flow of electric current in the direction from the first phase connection terminal 2 to the second phase connection terminal 3 via the phase conductive portion 9 which is configured to conduct the electric current coming from the conductive part 4 of the first phase connection terminal 2 to the electronic cut-off unit 6 and via the additional phase conductive plate 11 which is configured to conduct the electric current coming from the electronic cut-off unit 6 to the second phase connection terminal 3.
  • phase conductive portion 9 makes it possible to evacuate the heat coming from said at least one electronic power cut-off component 7 of the first assembly E1 to the first phase connection terminal 2 by thermal conduction and the additional phase conductive plate 11 makes it possible to evacuate the heat coming from said at least one electronic power cut-off component 7 of the second assembly E2 to the second phase connection terminal 3. phase 3 connection by thermal conduction. Furthermore, it is not necessary for the additional phase conductive plate 11 to be mounted on the same face of the electronic card 12 as said at least one electronic power cut-off component 7 of the second set E2 to establish the electrical and thermal connection between the additional phase conductive plate 11 and said at least one electronic power cut-off component 7 of the second set E2.
  • said at least one electronic power cut-off component 7 of the second assembly E2 is mounted on the first face 13 and comprises a dissipating element oriented against the first face 13,
  • the additional phase conductive plate 11 comprises an additional contact interface 16 which is arranged opposite the second face 14, against the latter and being aligned with said at least one electronic power cut-off component 7 of the second set E2 and is electrically connected to the electronic card 12 without direct electrical and thermal contact with said at least one electronic power cut-off component 7 of the second set E2.
  • said at least one electronic power cut-off component 7 of the first assembly E1 and said at least one electronic power cut-off component 7 of the second assembly E2 are mounted in opposition, respectively on the second face 14 and on the first face 13.
  • the first face 13 is conductive and is electrically and thermally connected to the second conductive face 14, the first conductive face 13 being in direct electrical and thermal contact with the contact interface 15 of the phase conductive portion 9 so as to indirectly connect it electrically and thermally to said at least one electronic power cut-off component 7 of the first assembly E1 mounted on the second face 14.
  • this avoids having to resort to a connection by means of an electric cable or electric braid to establish the electrical and thermal connection between the phase conductive portion 9 and said at least one electronic power cut-off component 7 of the first assembly E1.
  • the second face 14 is conductive and is electrically and thermally connected to the first conductive face 13, the second conductive face 14 being in direct electrical and thermal contact with the additional contact interface 16 of the additional phase conductive plate 11 so as to indirectly connect it electrically and thermally to said at least one electronic power cut-off component 7 of the second assembly E2 mounted on the first face 13.
  • this avoids having to resort to a connection by means of an electric cable or electric braid to establish the electrical and thermal connection between the additional phase conductive plate 11 and said at least one electronic power cut-off component 7 of the second assembly E2.
  • the electronic cut-off protection apparatus further comprises a galvanic isolation mechanism comprising a first set of contacts with a first fixed contact 17 and a first movable contact 18 arranged on the phase current line in series with said at least one electronic power cut-off component 7 upstream or downstream of the phase conductive portion 9.
  • a galvanic isolation mechanism comprising a first set of contacts with a first fixed contact 17 and a first movable contact 18 arranged on the phase current line in series with said at least one electronic power cut-off component 7 upstream or downstream of the phase conductive portion 9.
  • the galvanic isolation mechanism makes it possible to isolate the electronic cut-off protection device, in particular after the opening of said at least one electronic power cut-off component 7 following the occurrence of a fault, by interrupting the flow of current on the phase P current line.
  • the single-piece conductive part 10 is made of metal and preferably copper or aluminum.
  • said at least one electronic power cut-off component 7 comprises at least one power transistor and preferably at least one MOSFET and/or one JFET and/or one IGBT.
  • the housing 1 preferably has a generally parallelepiped shape with a first main face 19 and a second main face (not visible), and lateral faces, respectively rear 20, upper 21, lower 22, front 23 extending from one to the other of the first and second main faces 19 and with a width, that is to say the gap between the first and second main faces, equal to an integer number of times a predetermined distance, called module generally worth approximately 18 millimeters.
  • the format of the housing 1 is modular and this results in a modular electronic cut-off protection device.
  • the electronic cut-off protection device shown in figures 1 to 3 has a width of one module, while the one shown in figures 5 And 6 has a width of two modules. These examples are not exhaustive.
  • the electronic cut-off protection device may include a phase P current line, in which case it is called unipolar, or several phase P current lines, in which case it is called multipolar.
  • THE figures 1 to 3 illustrate a single-pole electronic cut-off protection device.
  • the electronic cut-off protection device may also include a neutral current line.
  • figures 5 And 6 illustrate an electronic cut-off protection device with a phase P current line and a neutral current line.
  • the electronic cut-off protection device can be a circuit breaker or perform a differential circuit breaker protection function, but also other functions, such as current and voltage measurement, protection against electric arc faults in the installation.
  • the electronic cut-off protection device When the electronic cut-off protection device performs a differential circuit breaker protection function, it preferably comprises a differential current sensor for detecting differential fault type faults and which is connected to the control unit.
  • the differential current sensor is capable and intended at least to measure the differential current flowing between said at least one phase P current line and the neutral current line and to emit an acquisition signal representative of the image of the differential current between the phase P current line and the neutral current line.
  • the differential current sensor makes it possible to detect differential faults.
  • the first phase connection terminal 2 may be a screw cage terminal or a self-clamping cage terminal or the like.
  • the first phase connection terminal 2 is a spring-type self-clamping terminal and is arranged inside the housing 1 near the upper side face 21.
  • the second phase connection terminal 3 may be a screw cage terminal or a self-clamping terminal or the like.
  • the second phase connection terminal 3 is a mixed self-clamping cage and screw type terminal and is arranged inside the housing 1 near the lower side face 22.
  • the conductive part 4 comprises an elastically deformable metal part which makes it possible to clamp at least one power supply conductor of the network or of a load at the contact portion 5.
  • this elastically deformable metal part comprises two elastic branches which meet.
  • the conductive part 4 is arranged inside the housing 1 near the upper lateral face 21.
  • the control unit (not shown) of the electronic protection trip unit is electrically connected to the electronic cut-off unit 6.
  • the control unit and the electronic cut-off unit 6 are arranged inside the housing 1.
  • the control unit may comprise at least one microcontroller and at least one power driver.
  • the control unit and the electronic cut-off unit 6 may respectively comprise one or more electronic cards.
  • the control unit and the electronic cut-off unit 6 could alternatively comprise a single electronic card comprising said microcontroller and said power driver and said at least one electronic power cut-off component 7.
  • the electronic cut-off unit 6 and the control unit are not grouped on the same electronic card, but on two separate electronic cards electrically and mechanically connected to each other, only the electronic card 12 is shown.
  • the electronic cut-off unit 6 comprises the electronic card 12 on which said at least one electronic power cut-off component 7 is mounted and preferably integrated.
  • the electronic card 12 is preferably parallel to the first and second main faces 19 of the housing 1 and extends in the length direction between the first and second connection terminals 2, 3 and in the width direction between the rear lateral face 20 and the front lateral face 23.
  • the electronic card 12 is preferably arranged at least partly opposite the second main face.
  • the first set E1 of electronic power cut-off component 7 and the second set E2 of electronic power cut-off component 7 are preferably mounted in series, for example head-to-tail, on the phase current line P.
  • first assembly E1 and the second assembly E2 each have two electronic power cut-off components 7. These examples are not limiting.
  • the first assembly E1 comprises at least two electronic power cut-off components 7 in the same direction and connected in parallel.
  • the second assembly E2 comprises at least two electronic power cut-off components 7 in the same direction and connected in parallel.
  • the dissipating element (not shown) of the electronic power cut-off component 7 is generally made of metal, for example anodized aluminum.
  • the dissipating element may be in the form of a metal plate, corresponding to the drain of the electronic power cut-off component 7, which is arranged opposite an insulated face.
  • the drain may also perform an electrical connection function with an attached dissipating element described below. This may for example be the case when the drain is located at the face of the electronic power cut-off component 7, which may be the upper face, not resting against one of the faces 13, 14 of the electronic card 12. However, when the drain is located on the face of the electronic power cut-off component 7, which may be the lower face, which rests on one of the faces 13, 14 of the electronic card 12, the drain does not perform an electrical connection function with an attached dissipating element.
  • the dissipating element may be a separate part attached to the electronic power cut-off component 7 and in particular not corresponding to the drain.
  • the dissipating element may in this case be in the form of a part provided with a plurality of fins. Either this dissipating element is not in electrical contact with the drain of the electronic power cut-off component 7 and is mounted on the insulated face, or this dissipating element may be in electrical contact with the drain of the electronic power cut-off component 7.
  • the drain must be located at the face of the electronic power cut-off component 7 not resting against one of the faces 13, 14 of the electronic card 12.
  • the phase conductive portion 9 forming a heat sink 8 may preferably be in the form of a flat part or flat plate.
  • the flat part or flat plate is arranged in the housing 1 parallel to the first and second main faces 19 and to the electronic card 12. Furthermore, the flat part or flat plate is arranged opposite one of the first and second faces 13, 14 of the electronic card 12 and opposite one of the first and second main faces 19 of the housing 1. In the examples illustrated, the flat plate is arranged in the housing 1 opposite the first face 13 of the electronic card 12 and opposite the first main face 19 of the housing 1.
  • the phase conductive portion 9 is located in the extension of the contact portion 5 of the first connection terminal 2.
  • the additional phase conductive plate 11 forming a heat sink 8 may preferably be in the form of an additional flat part or flat plate.
  • the flat part or flat plate additional is arranged in the housing 1 parallel to the first and second main faces 19 and to the electronic card 12.
  • the additional flat part or flat plate is arranged opposite one of the first and second faces 13, 14 of the electronic card 12 and opposite one of the first and second main faces 19 of the housing 1.
  • the additional flat plate is arranged in the housing 1 opposite the second face 14 of the electronic card 12 and opposite the first main face 19 of the housing 1.
  • the first face 13 of the electronic card 12 may comprise a conductive layer (not shown) which is in direct contact on the one hand with the contact interface 15 and on the other hand with said at least one electronic power cut-off component 7 of the first assembly E1.
  • This conductive layer may consist of a solder material.
  • the second face 14 of the electronic card 12 may comprise an additional conductive layer (not shown) which is in direct contact on the one hand with the additional contact interface 16 and on the other hand with said at least one electronic power cut-off component 7 of the second assembly E2.
  • This conductive layer may consist of a solder material.
  • the first fixed contact 17 is preferably mounted on the electronic card 12. As illustrated by the figures 1 to 4 , the first fixed contact 17 is mounted protruding from the second face 14.
  • the first fixed contact 17 may consist of a metal plate curved at 90 degrees having a general L shape, the longest portion of which is mounted on the second face 14 and the shortest portion is orthogonal to the second face 14.
  • the first fixed contact 17 is preferably part of the additional phase conductive plate 11, as illustrated in figures 5 to 7 .
  • the first movable contact 18 can be actuated by a control member of the lever type 24.
  • This lever 24 preferably projects from the front side face 23.
  • THE figures 1 to 7 illustrate two examples in which the phase conductive portion 9 is electrically and thermally connected to said unit of electronic cut-off 6 without direct electrical and thermal contact with said at least one electronic power cut-off component 7.
  • THE figures 1 to 4 illustrate a first embodiment according to the invention in which the modular electronic cut-off protection device has a width of one module and is single-pole.
  • the flow of electric current is in the direction from the second phase connection terminal 3 to the first phase connection terminal 2 and the modular electronic cut-off protection device comprises a galvanic isolation mechanism comprising the first set of contacts with the first fixed contact 17 and the first movable contact 18 arranged on the phase current line in series with the electronic power cut-off components 7 upstream of the phase conductive portion 9.
  • THE figures 1 to 4 show that the electronic cut-off unit 6 comprises a single electronic card 12 with the first assembly E1 having two electronic power cut-off components 7 on said phase current line P mounted on the second face 14 and the second assembly E2 having two electronic power cut-off components 7 on said phase current line P mounted on the second face 14.
  • the two electronic power cut-off components 7 of the second assembly E2 are electrically connected in series in a head-to-tail manner with the two electronic power cut-off components 7 of the first assembly E1 and are next to the latter.
  • the two electronic power cut-off components 7 of the first assembly E1 and of the second assembly E2 each comprise a dissipating element (not visible) oriented against the second face 14.
  • the first fixed contact 17 is mounted on the electronic card 12 while projecting from the second face 14.
  • THE figures 3 And 4 show that the contact interface 15 of the phase conductive portion 9 is arranged opposite the first face 13, against it and being aligned with the two electronic power cut-off components 7 of the first assembly E1 and is electrically and thermally connected to the electronic card 12 without direct electrical and thermal contact with the two electronic power cut-off components 7 of the first assembly E1.
  • THE figures 5 to 7 illustrate a second embodiment according to the invention in which the modular electronic cut-off protection device has a width of two modules and comprises a phase current line and a neutral current line.
  • the flow of the electric current is in the direction going from the second phase connection terminal 3 to the first phase connection terminal 2 and the modular electronic cut-off protection device comprises a galvanic isolation mechanism comprising the first set of contacts with the first fixed contact 17 and the first movable contact 18 arranged on the phase current line in series with the electronic power cut-off components 7 upstream of the phase conductive portion 9.
  • THE figures 5 to 7 show that the electronic cut-off unit 6 comprises a single electronic card 12 with the first assembly E1 having two electronic power cut-off components 7 on said phase current line P mounted on the second face 14 and the second assembly E2 having two electronic power cut-off components 7 on said phase current line P mounted on the first face 13.
  • the two electronic power cut-off components 7 of the second assembly E2 are electrically connected in series in a head-to-tail manner with the two electronic power cut-off components 7 of the first assembly E1.
  • the two electronic power cut-off components 7 of the first assembly E1 and of the second assembly E2 each comprise a dissipating element (not visible) oriented respectively against the second face 14 and the first face 13.
  • the modular electronic cut-off protection device comprises the additional phase conductive plate 11 forming on the one hand the second part of the phase current line P and on the other hand another heat sink 8.
  • the additional phase conductive plate 11 is on the one hand downstream of the first set of contacts of the galvanic isolation mechanism and on the other hand upstream of the electronic cut-off unit 6.
  • the first fixed contact 17 is part of the additional phase conductive plate 11,
  • THE figures 6 And 7 show that the contact interface 15 of the phase conductive portion 9 is arranged opposite the first face 13, against the latter and being aligned with the two electronic cut-off components of power 7 of the first set E1 and is electrically and thermally connected to the electronic card 12 without direct electrical and thermal contact with the two electronic power cut-off components 7 of the first set E1.
  • the additional contact interface 16 of the additional phase conductive plate 11 is arranged opposite the second face 14, against it and being aligned with the two electronic power cut-off components 7 of the second set E2 and is electrically connected to the electronic card 12 without direct electrical and thermal contact with the two electronic power cut-off components 7 of the second set E2.

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  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Power Conversion In General (AREA)
EP24216528.0A 2023-11-30 2024-11-29 Elektronisch schaltende schutzvorrichtung mit kühlkörper Pending EP4564391A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2313364A FR3156236B1 (fr) 2023-11-30 2023-11-30 Appareillage de protection à coupure électronique avec dissipateur thermique

Publications (1)

Publication Number Publication Date
EP4564391A1 true EP4564391A1 (de) 2025-06-04

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Application Number Title Priority Date Filing Date
EP24216528.0A Pending EP4564391A1 (de) 2023-11-30 2024-11-29 Elektronisch schaltende schutzvorrichtung mit kühlkörper

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EP (1) EP4564391A1 (de)
FR (1) FR3156236B1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2234136A1 (de) * 2007-12-28 2010-09-29 Panasonic Electric Works Co., Ltd Gleichstromschalter
WO2019096692A1 (de) * 2017-11-17 2019-05-23 Eaton Intelligent Power Limited Mechatronikbaugruppe mit einer hybriden schaltungsanordnung
WO2022106527A1 (fr) 2020-11-18 2022-05-27 Hager-Electro Sas Appareillage de protection à coupure électronique
WO2022243456A1 (fr) 2021-05-20 2022-11-24 Schneider Electric Industries Sas Appareils et systèmes de protection électrique comportant un module de coupure intégré

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2234136A1 (de) * 2007-12-28 2010-09-29 Panasonic Electric Works Co., Ltd Gleichstromschalter
WO2019096692A1 (de) * 2017-11-17 2019-05-23 Eaton Intelligent Power Limited Mechatronikbaugruppe mit einer hybriden schaltungsanordnung
WO2022106527A1 (fr) 2020-11-18 2022-05-27 Hager-Electro Sas Appareillage de protection à coupure électronique
WO2022243456A1 (fr) 2021-05-20 2022-11-24 Schneider Electric Industries Sas Appareils et systèmes de protection électrique comportant un module de coupure intégré

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Publication number Publication date
FR3156236A1 (fr) 2025-06-06
FR3156236B1 (fr) 2025-11-14

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