EP3407373B1 - Élément d'isolation isolant pour module de détection de défaut d'arc et module de détection de défaut d'arc - Google Patents

Élément d'isolation isolant pour module de détection de défaut d'arc et module de détection de défaut d'arc Download PDF

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Publication number
EP3407373B1
EP3407373B1 EP18174273.5A EP18174273A EP3407373B1 EP 3407373 B1 EP3407373 B1 EP 3407373B1 EP 18174273 A EP18174273 A EP 18174273A EP 3407373 B1 EP3407373 B1 EP 3407373B1
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EP
European Patent Office
Prior art keywords
plug
insulating isolation
component
terminal accommodating
together component
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EP18174273.5A
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German (de)
English (en)
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EP3407373A1 (fr
Inventor
Yan Yan XU
Chang Chun Hu
Sebastian Schaich
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Siemens AG
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Siemens AG
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Publication of EP3407373A1 publication Critical patent/EP3407373A1/fr
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    • 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
    • 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
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H2083/201—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other abnormal electrical condition being an arc fault

Definitions

  • the present invention relates to the field of power equipment, in particular an insulating isolation assembly for an arc fault detection module. Furthermore, the present invention also relates to an arc fault detection module using such an insulating isolation assembly.
  • an arc fault detection module can detect the arc fault, and trigger a circuit breaker to cut off a power supply, thereby protecting the electrical device and personal safety.
  • An existing circuit fault protection apparatus comprises a housing, a detection circuit located in the housing, and a terminal electrically connected to the detection circuit. There may be one terminal or multiple terminals, with each terminal being connected to one phase of a circuit breaker. In the case of multiple terminals, the terminals must be isolated from one another using insulating isolation members. If the detection circuit detects an arc fault, the detection circuit will, via the terminal, trigger the circuit breaker to cut off a power supply.
  • an insulating case for a circuit breaker comprising: at least a first insulating isolation member and a second insulating isolation member, with each insulating isolation member comprising:a body having four sides, comprising a first side and a second side opposite each other and a third side and a fourth side opposite each other; a first terminal accommodating slot, located on the first side; a second terminal accommodating slot, located on the second side, the second terminal accommodating slot of one insulating isolation member being capable of cooperating with the first terminal accommodating slot of the respective other insulating isolation member to form a terminal accommodating cavity for accommodating a terminal; a first plug-together component, located on the first side (A); and a second plug-together component, located on the second side, the second plug-together component of one insulating isolation member being capable of forming an interference fit with the first plug-together component of the respective other insulating isolation member.
  • the present invention proposes an insulating isolation assembly for an arc fault detection module and an arc fault detection module, to reduce arc fault detection module production costs.
  • One aspect of the present invention provides an insulating isolation assembly according to independent claim 1.
  • the insulating isolation member of the insulating isolation assembly according to the present invention can be connected in an interference fit with another insulating isolation member being identical and having the same structure, and can cooperate therewith to form the terminal accommodating cavity for accommodating the terminal.
  • another insulating isolation member being identical and having the same structure, and can cooperate therewith to form the terminal accommodating cavity for accommodating the terminal.
  • the insulating isolation member of this embodiment may employ a sequence of assembly in a direction S; such a sequence is the same as the sequence of assembly of other internal components of the vast majority of arc fault detection modules.
  • the assembly of the arc fault detection module can be accomplished without adjusting an assembly workstation; this increases production efficiency and further reduces production costs.
  • the insulating isolation member as described above optionally further comprises at least one of the following assemblies: an engagement assembly and a plug-together assembly.
  • the engagement assembly comprises a first engagement component and a second engagement component.
  • the first engagement component is located on the third side.
  • the second engagement component is located on the third side.
  • the first engagement component is capable of engaging with a second engagement component of another said insulating isolation member.
  • the plug-together assembly comprises a third plug-together component and a fourth plug-together component.
  • the third plug-together component is located on the first side.
  • the fourth plug-together component is located on the second side.
  • the fourth plug-together component is capable of forming an interference fit with a third plug-together component of another insulating isolation member.
  • the first plug-together component and the fourth plug-together component have the same structure.
  • the fixing between the insulating isolation members can be made more secure.
  • the first plug-together component is located at the top of the first side.
  • the second plug-together component is located at the top of the second side.
  • the third plug-together component is located at the bottom of the first side.
  • the fourth plug-together component is located at the bottom of the second side.
  • the first plug-together component is a cylinder and the second plug-together component is a circular slot.
  • the first plug-together component is a circular slot and the second plug-together component is a cylinder.
  • the third plug-together component is a cylinder and the fourth plug-together component is a circular slot.
  • the third plug-together component is a circular slot and the fourth plug-together component is a cylinder.
  • the first engagement component is a boss. This is located in a slot on the third side.
  • the second engagement component is an extension extending away from the first side.
  • the extension has a through-hole. The through-hole is used for being penetrated by a boss of another insulating isolation member.
  • FIG 8 Another aspect of the present invention is defined in claim 8 and provides an arc fault detection module, having a housing, an insulating isolation member and a terminal.
  • the insulating isolation member of the insulating isolation assembly is any one of the insulating isolation members as described above. It is located in the housing.
  • the housing comprises a first side shell and a second side shell opposite each other.
  • the first side shell has a third terminal accommodating slot and a fifth plug-together component.
  • the fifth plug-together component forms an interference fit with the first plug-together component.
  • the third terminal accommodating slot cooperates with the first terminal accommodating slot to form one said terminal accommodating cavity.
  • the second side shell has a fourth terminal accommodating slot and a sixth plug-together component.
  • the sixth plug-together component forms an interference fit with the second plug-together component.
  • the fourth terminal accommodating slot and the second terminal accommodating slot cooperate to form another said terminal accommodating cavity.
  • the terminal is located in the terminal accommodating cavity.
  • At least one insulating isolation member of the insulating isolation assembly is disposed in the housing of the arc fault detection module; the insulating isolation member is connectable in a fixed manner to another insulating isolation member having the same structure, and can cooperate to form the terminal accommodating cavity for accommodating the terminal.
  • the insulating isolation member of this embodiment may employ a sequence of assembly in direction S; such a sequence is the same as the sequence of assembly of other internal components of the vast majority of arc fault detection modules.
  • the arc fault detection module as described above optionally further comprises at least one additional said insulating isolation member.
  • An interference fit is formed between the insulating isolation members located in the housing.
  • the first side shell and an adjacent said insulating isolation member form an interference fit with each other and cooperate to form one said terminal accommodating cavity.
  • the second side shell and an adjacent insulating isolation member form an interference fit with each other and form a terminal accommodating cavity.
  • the second terminal accommodating slot of one of each pair of adjacent said insulating isolation members cooperates with the first terminal accommodating slot of the other one to form a terminal accommodating cavity in which a terminal is accommodated, and the second plug-together component of one of each pair of adjacent said insulating isolation members forms an interference fit with the first plug-together component of the other one.
  • a material of the insulating isolation member of the insulating isolation assembly is plastic.
  • plastic When plastic is used, not only is shaping easy, but the price is low.
  • This embodiment provides an insulating isolation member for an arc fault detection module.
  • Fig. 1 shows a structural schematic view of an insulating isolation member of an insulating isolation assembly according to this embodiment.
  • Fig. 2 shows a structural schematic view of the insulating isolation member in fig. 1 from another angle.
  • the insulating isolation member 100 of the insulating isolation assembly comprises a body 101 having four sides, a first terminal accommodating slot 102, a second terminal accommodating slot 103, a first plug-together component 104 and a second plug-together component 105.
  • the body 101 comprises a first side A and a second side B opposite each other, and a third side C and a fourth side D opposite each other.
  • the first terminal accommodating slot 102 is located on the first side A.
  • the second terminal accommodating slot 103 is located on the second side B.
  • the second terminal accommodating slot 103 can cooperate with a first terminal accommodating slot 102 of another insulating isolation member 100 to form a terminal accommodating cavity.
  • the terminal accommodating cavity is used to accommodate a terminal 110.
  • the first plug-together component 104 is located on the first side A.
  • the second plug-together component 105 is located on the second side B, and can form an interference fit with a first plug-together component 104 of another insulating isolation member 100.
  • the first plug-together component 104 of one insulating isolation member 100 can form an interference fit with the second plug-together component 105 of the other insulating isolation member 100, thereby fixing the two insulating isolation members 100 together.
  • the first terminal accommodating slot 102 of one insulating isolation member 100 can cooperate with the second terminal accommodating slot 103 of the other insulating isolation member 100 to form a terminal accommodating cavity for accommodating a terminal 110, as shown in fig. 3 .
  • the two insulating isolation members 100 with the same structure can fit together for the purpose of fixing the terminal 110; moreover, the two insulating isolation members 100 can also be fixed together by means of an interference fit between the first plug-together component 104 and the second plug-together component 105.
  • the insulating isolation member 100 of the insulating isolation assembly of this embodiment may also comprise at least one of the following assemblies: an engagement assembly and a plug-together assembly.
  • the engagement assembly comprises a first engagement component 106 and a second engagement component 107.
  • the first engagement component 106 and the second engagement component 107 are both located on the third side C.
  • the first engagement component 106 of one of the two insulating isolation members 100 can engage with the second engagement component 107 of the other one.
  • the two insulating isolation members 100 are fixed in position in the direction of the third side C.
  • the first engagement component 106 is a boss, located in a slot 111 on the third side C.
  • the second engagement component 107 is an extension extending away from the first side A.
  • the extension has a through-hole 1071.
  • the through-hole 1071 is used for being penetrated by a boss of another insulating isolation member 100 of the insulating isolation assembly.
  • the boss may be wedge-shaped: a side close to the through-hole 1071 is higher than a side remote from the through-hole 1071.
  • the first engagement component 106 and the second engagement component 107 could also be implemented in another way; no specific restrictions are imposed.
  • the plug-together assembly comprises a third plug-together component 108 and a fourth plug-together component 109.
  • the third plug-together component 108 is located on the first side A
  • the fourth plug-together component 109 is located on the second side B; the fourth plug-together component 109 can form an interference fit with a third plug-together component 108 of another insulating isolation member 100.
  • the first side A and the second side B each have two plug-together components for the purpose of forming an interference fit with another insulating isolation member 100, so that the fixing between the two insulating isolation members 100 can be made more secure.
  • the first plug-together component 104 and the fourth plug-together component 109 in this embodiment have the same structure.
  • the two plug-together components located on the first side A have different structures
  • the two plug-together components located on the second side B have different structures.
  • the first plug-together component 104 is located at the top of the first side A
  • the second plug-together component 105 is located at the top of the second side B
  • the third plug-together component 108 is located at the bottom of the first side A
  • the fourth plug-together component 109 is located at the bottom of the second side B.
  • the first plug-together component 104 is a cylinder and the second plug-together component 105 is a circular slot, or the first plug-together component 104 is a circular slot and the second plug-together component 105 is a cylinder.
  • the third plug-together component 108 is a cylinder and the fourth plug-together component 109 is a circular slot, or the third plug-together component 108 is a circular slot and the fourth plug-together component 109 is a cylinder.
  • the material of the insulating isolation member 100 is plastic.
  • plastic When plastic is used, not only is shaping easy, but the price is low.
  • a direction in which the insulating isolation members 100 of the insulating isolation assembly are fitted together may be a direction S, i.e. a direction of assembly from right to left.
  • direction S i.e. a direction of assembly from right to left.
  • the direction of assembly need not be changed.
  • a direction of assembly that is opposite to direction S could also be employed.
  • the insulating isolation member 100 of the insulating isolation assembly can be connected in an interference fit with another insulating isolation member 100 having the same structure, and can cooperate therewith to form the terminal accommodating cavity for accommodating the terminal 110.
  • the insulating isolation member 100 of this embodiment may employ a sequence of assembly in direction S; such a sequence is the same as the sequence of assembly of other internal components of the vast majority of arc fault detection modules.
  • the assembly of the arc fault detection module can be accomplished without adjusting an assembly workstation; this increases production efficiency and further reduces production costs.
  • This embodiment provides an arc fault detection module.
  • Fig. 4 shows a structural schematic view of the arc fault detection module according to this embodiment before assembly.
  • Fig. 5 shows a structural schematic view of the arc fault detection module according to this embodiment after assembly.
  • the arc fault detection module 210 of this embodiment has a housing 200, an insulating isolation member 100 and a terminal 110.
  • the structure of the insulating isolation member 100 of the insulating isolation assembly in this embodiment is the same as that described in the previous embodiment, so is not described again here.
  • the housing 200 of this embodiment comprises a first side shell 201 and a second side shell 202 opposite each other.
  • the first side shell 201 has a third terminal accommodating slot and a fifth plug-together component.
  • the fifth plug-together component forms an interference fit with the first plug-together component 104.
  • the third terminal accommodating slot cooperates with the first terminal accommodating slot 102 to form a terminal accommodating cavity.
  • the second side shell 202 has a fourth terminal accommodating slot and a sixth plug-together component; the sixth plug-together component forms an interference fit with the second plug-together component 105, and the fourth terminal accommodating slot and the second terminal accommodating slot 103 cooperate to form another terminal accommodating cavity.
  • the structure of the third terminal accommodating slot of this embodiment may be the same as the structure of the second terminal accommodating slot 103.
  • the structure of the fifth plug-together component may be the same as the structure of the second plug-together component 105.
  • the structure of the fourth terminal accommodating slot of this embodiment may be the same as the structure of the first terminal accommodating slot 102.
  • the structure of the sixth plug-together component may be the same as the structure of the first plug-together component 104.
  • one side of the insulating isolation member 100 may form an interference fit with the housing 200 by means of plug-together components.
  • the terminal 110 of this embodiment is located in the terminal accommodating cavity.
  • the number of terminals 110 is one more than the number of insulating isolation members 100. For example, if there is one insulating isolation member 100, then correspondingly, the number of terminals 110 is two. If the number of insulating isolation members 100 is at least two as in the present invention, then correspondingly, the number of terminals 110 is three.
  • the arc fault detection module 210 of this embodiment further comprises at least one additional insulating isolation member 100 of the insulating isolation assembly.
  • An interference fit is formed between the insulating isolation members 100 located in the housing 200.
  • the first side shell 201 and an adjacent insulating isolation member 100 form an interference fit with each other and form a terminal accommodating cavity; the second side shell 202 and an adjacent insulating isolation member 100 form an interference fit with each other and form a terminal accommodating cavity.
  • the second terminal accommodating slot 103 of one of each pair of adjacent insulating isolation members 100 cooperates with the first terminal accommodating slot 102 of the other one to form a terminal accommodating cavity in which a terminal 110 is accommodated, and the second plug-together component 105 of one of each pair of adjacent insulating isolation members 100 forms an interference fit with the first plug-together component 104 of the other one.
  • the insulating isolation member 100 also comprises the engagement assembly and/or the plug-together assembly, a structure matched to the engagement assembly and/or the plug-together assembly may also be provided on the housing 200.
  • a third engagement component may also be provided on the first side shell 201.
  • the third engagement component engages with the first engagement component 106 of an adjacent insulating isolation member 100.
  • the structure of the third engagement component may be the same as the structure of the second engagement component 107.
  • a fourth engagement component may also be provided on the second side shell 202. The fourth engagement component engages with the second engagement component 107 of an adjacent insulating isolation member 100.
  • the structure of the fourth engagement component may be the same as the structure of the first engagement component 106.
  • a seventh plug-together component may also be provided on the first side shell 201; the seventh plug-together component forms an interference fit with the third plug-together component 108 of an adjacent insulating isolation member 100.
  • the structure of the seventh plug-together component may be the same as the structure of the fourth plug-together component 109.
  • An eighth plug-together component may also be provided on the second side shell 202, and forms an interference fit with the fourth plug-together component 109 of an adjacent insulating isolation member 100.
  • the structure of the eighth plug-together component may be the same as the structure of the third plug-together component 108.
  • the material of the insulating isolation member 100 of the insulating isolation assembly is plastic.
  • plastic When plastic is used, not only is shaping easy, but the price is low.
  • a sequence of assembly of the housing 200 in this embodiment may be direction S, or a direction opposite to direction S.
  • the insulating isolation members may be assembled in the same direction as the housing 200. In other words, in an actual operation, there is no need to adjust a direction of assembly of a workstation, hence the production efficiency can be increased, and the production costs can be lowered.
  • At least two identical insulating isolation members 100 of the insulating isolation assembly are disposed in the housing 200 of the arc fault detection module 210; the insulating isolation member 100 is connectable in a fixed manner to another insulating isolation member 100 having the same structure, and can cooperate to form the terminal accommodating cavity for accommodating the terminal.
  • the insulating isolation member 100 is connectable in a fixed manner to another insulating isolation member 100 having the same structure, and can cooperate to form the terminal accommodating cavity for accommodating the terminal.
  • the insulating isolation member 100 of the insulating isolation assembly of this embodiment may employ a sequence of assembly in direction S; such a sequence is the same as the sequence of assembly of other internal components of the vast majority of arc fault detection modules.
  • the assembly of the arc fault detection module can be accomplished without adjusting an assembly workstation; this increases production efficiency and further reduces production costs.

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  • Connector Housings Or Holding Contact Members (AREA)
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  • Insulating Bodies (AREA)

Claims (10)

  1. Ensemble d'isolation isolant pour un module de détection de défaut d'arc, comprenant :
    au moins un premier élément d'isolation isolant (100) et un second élément d'isolation isolant (100), les éléments d'isolation isolants (100) étant des éléments d'isolation isolants identiques (100) ayant des mêmes structures, et chaque élément d'isolation isolant (100) comprenant :
    un corps (101) ayant quatre côtés, comprenant un premier côté (A) et un deuxième côté (B) opposés l'un à l'autre et un troisième côté (C) et un quatrième côté (D) opposés l'un à l'autre ;
    une première fente de logement de borne (102), située sur le premier côté (A) ;
    une deuxième fente de logement de borne (103), située sur le deuxième côté (B), la deuxième fente de logement de borne (103) d'un élément d'isolation isolant (100) étant capable de coopérer avec la première fente de logement de borne (102) de l'autre élément d'isolation isolant respectif (100) pour former une cavité de logement de borne destinée à loger une borne (110) ;
    un premier composant de raccordement conjoint (104), situé sur le premier côté (A) ; et
    un deuxième composant de raccordement conjoint (105), situé sur le deuxième côté (B), le deuxième composant de raccordement conjoint (105) d'un élément d'isolation isolant (100) étant capable de former un ajustement avec serrage avec le premier composant de raccordement conjoint (104) de l'autre élément d'isolation isolant respectif (100).
  2. Ensemble d'isolation isolant selon la revendication 1, dans lequel chaque élément d'isolation isolant (100) comprenant en outre au moins un des ensembles suivants :
    un ensemble d'entrée en prise, comprenant :
    un premier composant d'entrée en prise (106), situé sur le troisième côté (C) ; et
    un second composant d'entrée en prise (107), situé sur le troisième côté (C), le premier composant d'entrée en prise (106) d'un élément d'isolation isolant (100) étant capable d'entrer en prise avec un second composant d'entrée en prise (107) de l'autre élément d'isolation isolant respectif (100) ;
    un ensemble de raccordement conjoint, comprenant :
    un troisième composant de raccordement conjoint (108), situé sur le premier côté (A) ; et
    un quatrième composant de raccordement conjoint (109), situé sur le deuxième côté (B), le quatrième composant de raccordement conjoint (109) d'un élément d'isolation isolant (100) étant capable de former un ajustement avec serrage avec un troisième composant de raccordement conjoint (108) de l'autre élément d'isolation isolant respectif (100).
  3. Ensemble d'isolation isolant selon la revendication 2, dans lequel le premier composant de raccordement conjoint (104) et le quatrième composant de raccordement conjoint (109) ont la même structure.
  4. Ensemble d'isolation isolant selon la revendication 3, dans lequel le premier composant de raccordement conjoint (104) est situé en haut du premier côté (A), le deuxième composant de raccordement conjoint (105) est situé en haut du deuxième côté (B), le troisième composant de raccordement conjoint (108) est situé en bas du premier côté (A), et le quatrième composant de raccordement conjoint (109) est situé en bas du deuxième côté (B).
  5. Ensemble d'isolation isolant selon l'une quelconque des revendications 1 à 4, dans lequel le premier composant de raccordement conjoint (104) est un cylindre et le deuxième composant de raccordement conjoint (105) est une fente circulaire, ou le premier composant de raccordement conjoint (104) est une fente circulaire et le deuxième composant de raccordement conjoint (105) est un cylindre.
  6. Ensemble d'isolation isolant selon l'une quelconque des revendications 2 à 4, dans lequel le troisième composant de raccordement conjoint (108) est un cylindre et le quatrième composant de raccordement conjoint (109) est une fente circulaire, ou le troisième composant de raccordement conjoint (108) est une fente circulaire et le quatrième composant de raccordement conjoint (109) est un cylindre.
  7. Ensemble d'isolation isolant selon l'une quelconque des revendications 2 à 4, dans lequel le premier composant d'entrée en prise (106) est un bossage, situé dans une fente (111) sur le troisième côté (C), et le second composant d'entrée en prise (107) est une extension s'étendant l'opposé du premier côté (A), l'extension ayant un trou débouchant (1071) dans lequel un bossage de l'autre élément d'isolation isolant respectif (100) est destiné à pénétrer.
  8. Module de détection de défaut d'arc (210), ayant : un ensemble d'isolation isolant selon l'une quelconque des revendications 1 à 7, situé dans un boîtier (200) ;
    le boîtier (200), comprenant une première coque latérale (201) et une seconde coque latérale (202) opposées l'un à l'autre, la première coque latérale (201) ayant une troisième fente de logement de borne et un cinquième composant de raccordement conjoint, le cinquième composant de raccordement conjoint formant un ajustement avec serrage avec le premier composant de raccordement conjoint (104), la troisième fente de logement de borne coopérant avec la première fente de logement de borne (102) pour former une cavité de logement de borne, la seconde coque latérale (202) ayant une quatrième fente de logement de borne et un sixième composant de raccordement conjoint, le sixième composant de raccordement conjoint formant un ajustement avec serrage avec le deuxième composant de raccordement conjoint (105), et la quatrième fente de logement de borne et la deuxième fente de logement de borne (103) coopérant pour former une autre cavité de logement de borne ; et
    une borne (110), située dans la cavité de logement de borne.
  9. Module de détection de défaut d'arc (210) selon la revendication 8, dans lequel un ajustement avec serrage est formé entre les éléments d'isolation isolants (100) situés dans le boîtier (200),
    la première coque latérale (201) et un dit élément d'isolation isolant adjacent (100) forment un ajustement avec serrage l'un avec l'autre et forment une cavité de logement de borne, et la seconde coque latérale (202) et un dit élément d'isolation isolant adjacent (100) forment un ajustement avec serrage l'un avec l'autre et forment une cavité de logement de borne ;
    la deuxième fente de logement de borne (103) d'un de chaque paire de dits éléments d'isolation isolants adjacents (100) coopère avec la première fente de logement de borne (102) de l'autre pour former une cavité de logement de borne dans laquelle une borne (110) est logée, et le deuxième composant de raccordement conjoint (105) d'un de chaque paire de dits éléments d'isolation isolants adjacents (100) forme un ajustement avec serrage avec le premier composant de raccordement conjoint (104) de l'autre.
  10. Module de détection de défaut d'arc (210) selon la revendication 8 ou 9, dans lequel un matériau de l'élément d'isolation isolant (100) est du plastique.
EP18174273.5A 2017-05-27 2018-05-25 Élément d'isolation isolant pour module de détection de défaut d'arc et module de détection de défaut d'arc Active EP3407373B1 (fr)

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CN201720615494.3U CN207217433U (zh) 2017-05-27 2017-05-27 用于电弧故障检测模块的绝缘隔离件及电弧故障检测模块

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EP3407373A1 EP3407373A1 (fr) 2018-11-28
EP3407373B1 true EP3407373B1 (fr) 2023-11-29

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FR2731837B1 (fr) * 1995-03-16 1997-06-06 Legrand Sa Disjoncteur differentiel unipolaire et neutre
FR2930838B1 (fr) * 2008-05-05 2010-04-16 Schneider Electric Ind Sas Dispositif electrique modulaire
WO2012039030A1 (fr) * 2010-09-22 2012-03-29 パナソニック電工電路株式会社 Dispositif de commutation

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