EP3252795B1 - Système de prise de tension pour une base porte-fusible, base de porte-fusible et module de mesure incorporant ledit système - Google Patents

Système de prise de tension pour une base porte-fusible, base de porte-fusible et module de mesure incorporant ledit système Download PDF

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Publication number
EP3252795B1
EP3252795B1 EP16382242.2A EP16382242A EP3252795B1 EP 3252795 B1 EP3252795 B1 EP 3252795B1 EP 16382242 A EP16382242 A EP 16382242A EP 3252795 B1 EP3252795 B1 EP 3252795B1
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EP
European Patent Office
Prior art keywords
fuse
holder base
voltage
voltage tap
tap system
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
EP16382242.2A
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German (de)
English (en)
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EP3252795A1 (fr
Inventor
José Julio GOMEZ
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.)
Pronutec SA
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Pronutec 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
Priority to PT163822422T priority Critical patent/PT3252795T/pt
Application filed by Pronutec SA filed Critical Pronutec SA
Priority to PL16382242.2T priority patent/PL3252795T3/pl
Priority to EP16382242.2A priority patent/EP3252795B1/fr
Priority to ES16382242T priority patent/ES2933908T3/es
Priority to CN201780047268.2A priority patent/CN109564841B/zh
Priority to SG11201811810XA priority patent/SG11201811810XA/en
Priority to AU2017272900A priority patent/AU2017272900A1/en
Priority to PCT/ES2017/070362 priority patent/WO2017207843A1/fr
Publication of EP3252795A1 publication Critical patent/EP3252795A1/fr
Priority to IL263397A priority patent/IL263397A/en
Application granted granted Critical
Publication of EP3252795B1 publication Critical patent/EP3252795B1/fr
Active legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/0241—Structural association of a fuse and another component or apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/0241—Structural association of a fuse and another component or apparatus
    • H01H2085/0266—Structural association with a measurement device, e.g. a shunt
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/22—Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/25—Safety arrangements preventing or inhibiting contact with live parts, including operation of isolation on removal of cover

Definitions

  • the present invention is comprised in the field of fuse holders or protection devices for NH-type electrical fuses.
  • the object of the present invention is a voltage tap system for fuse-holder bases, a fuse-holder base, as well as a measurement module incorporating said voltage tap system, whereby effectively protecting the connection circuit, without having to include or add external peripheral elements, therefore reducing additional installation space.
  • a fuse-holder base generally consists of a rail or socket that supports the connection contacts or clamps and is connected to the respective bus bars. These fuse-holder bases can house one or more fuses, and in some cases can be load break blocks. In that sense, fuse-holder bases including three pairs of contacts are known, each pair of contacts being electrically connected to a conductive strip of the low-voltage switchboard of the corresponding electric installation. There is generally one pair of contacts for each electric phase, such that a fuse is coupled between each pair of contacts.
  • fuse-holder bases are classified according to the number of poles (or phases) they protect. They can be single-pole (when they protect one phase), two-pole (when they protect two phases), or, in the most common cases, three-pole (where the three phases of the distribution system are protected). Nevertheless, distribution systems can also be four- or five-pole systems, i.e., the three phases plus the neutral conductor, or the three phases plus the neutral conductor and the ground conductor. Power monitoring systems, which require the signal from the voltage tap, normally use signals from the three phases, but in some cases, depending on the application, a neutral conductor voltage tap is required.
  • NH fuses In relation to the fuses, they can be fuses with high breaking capacity against short-circuit currents, better known as "NH fuses". These fuses basically consist of an input contact and an output contact, both in the form of a blade, which are electrically connected to the connection contacts. Furthermore, these fuses have a pair of generally T-shaped tabs, one of them being placed close to the input contact and the other one close to the output contact. These tabs serve as a grip or fixing element for handling the fuse, but they can also be isolated with respect to the blade of the fuse. When these tabs or posts are not electrically connected with the input and output contact of the fuse, it is the case of the so-called isolated post fuses.
  • the basic circuit of a fuse-holder base can be divided into three well distinguished zones: 1) the input circuit, comprising the elements upstream of the fuse; 2) the fuse element itself; and 3) the output circuit, comprising the elements downstream of the fuse.
  • voltage taps can be implemented either upstream or downstream of the main fuse in order to measure working voltages and/or to monitory the state of the fuse. Therefore, voltage tap systems which are connected directly in the input contacts, others which are connected in the fuses, and others which are connected in the connection spades, or even touching the general contact bar, are known. However, they are all electrically connected points that are upstream of the fuse. The same thing occurs with the output contacts, the output terminals, the connection cable, or the input and output contacts of the fuses. They, too, are all electrically connected points. They are all points at which voltage tap systems are known to be connected. The voltage can also be tapped from the lugs of the fuse.
  • measurement modules for the output terminals of a fuse-holder base including voltage and current taps are also known in the state of the art.
  • An example can be found in the "855 Series Voltage Taps" from a well known manufacturer, where the voltage tap system comprises a conductive element connected on one hand to a contact point for tapping the voltage of the fuse-holder base, and on the other hand to an electrical conductor or voltage tap output terminal.
  • the biggest problem with these current measurement modules is that their voltage taps are completely unprotected, without any isolation or protection element whatsoever.
  • auxiliary measurement systems based on the incorporation of an auxiliary support or peripheral outside the fuse-holder base, with the additional wiring and installation issues this entails, because low-voltage switchboards generally have a very small and limited space.
  • the voltage tap itself and the subsequent lead cable transmitting the signal become a possible focus of origin of short-circuits.
  • the devices arranged for measuring or treating the acquired data become user handling points and added risks for the installation.
  • maintenance work or any other task that requires handling the monitoring devices that can be connected to the voltage taps is common. In those cases, it may be necessary for safety's sake to disconnect them from the main circuit, i.e., to disconnect the contact point from the fuse-holder base.
  • the voltage tap system comprises a conductive element connected on one hand to a contact point for tapping the voltage of the fuse-holder base and on the other hand to an electrical conductor or voltage tap output terminal.
  • the conductive element is flexible and/or elastic, such that said conductive element is movable and deformable between an initial standby position and a working position in which the conductive element is in direct contact with the blades of the fuse.
  • the voltage tap system additionally comprises a support in which the conductive element is mounted.
  • the voltage tap system further comprises an auxiliary protection element communicating the contact point for tapping the voltage with the electrical conductor or voltage tap output terminal.
  • the possibility of said auxiliary protection element being able to be an auxiliary cylindrical-type fuse, a thermal magnetic circuit breaker, or any other electronic device having similar functions capable of offering protection against overloads and short-circuits is therefore contemplated.
  • the auxiliary protection element has been envisaged to be fixed on an auxiliary fuse-holder base.
  • a preferably three-pole fuse-holder base comprising a socket or rail supporting at least one pair of clamps for fixing at least one fuse, input and output connections, and at least one input and/or output contact point for tapping the voltage.
  • Said fuse-holder base further comprises a voltage tap system such as the one described in preceding paragraphs, suitable for being connected to an output connection of the fuse-holder base.
  • a measurement module comprising at least one voltage tap system such as the one described in preceding paragraphs, preferably comprising at least one conductor that can be connected to the output connections of the fuse-holder base; voltage tapping connectors; and an additional electrical conductor for tapping the voltage in the neutral conductor.
  • the fuse itself becomes the contact point, and, according to the invention, the conductive element for tapping the voltage is a flexible element that may be in contact with the fuse or that may stop being in contact with the fuse simply by inserting or removing said fuse. Therefore, if it were necessary to cut off the power supply to the auxiliary circuit, the fuse would simply have to be taken out and the electronic devices connected to the voltage taps would be electrically isolated from the main circuit, thereby allowing the safe handling thereof.
  • FIG. 1 shows a three-pole fuse-holder base (1), with its corresponding distribution cables (5) connected to the output connections (8), pairs of clamps (6) for fixing fuses (2) through their blades (2.1), as well as the corresponding input and output connections (7, 8) thereof. Furthermore, this fuse-holder base (1) shown in Figure 1 incorporates three voltage tap systems (10), where according to a first preferred embodiment said voltage tap system (10) comprises:
  • the electrical conductor (4) has a first end intended for being housed inside the support (20) and connected to the conductive element (30), whereas a second end of the electrical conductor (4) is intended for being located outside the support (20), as shown in Figures 1 , 3 and 4 .
  • the auxiliary protection element (40) which is an auxiliary fuse in this embodiment, communicates the conductive element (30) making contact in the output connection (8) of the fuse-holder base (1) with the electrical output conductor (4).
  • the auxiliary protection element (40) in the present embodiment is an auxiliary fuse, particularly of the cylindrical type, said auxiliary protection element (40) can be any other switch device, such as a thermal magnetic circuit breaker, for example.
  • the auxiliary fuse-holder base (50) has opening and closing means, in this example a groove (51), to allow access to the auxiliary protection element (40), making it detachable. Nevertheless, it has been envisaged that said auxiliary protection element (40) can be fixed, thereby simplifying the installation and mounting of the assembly. Furthermore, said opening and closing means can be installed in the support (20) itself or in any other type of enclosure.
  • the conductive element (30) in this first embodiment comprises a metallic element with flexible properties, such as an L-shaped band in this case, communicating the output connection (8) of the fuse-holder base (1) with the auxiliary protection element (40) by direct contact.
  • a metallic element with flexible properties such as an L-shaped band in this case, communicating the output connection (8) of the fuse-holder base (1) with the auxiliary protection element (40) by direct contact.
  • any flexible strip, screw or terminal that allows performing the same connection functions can be included instead of a metallic band.
  • both the first chamber (21) and the second chamber (22) of the support (20) have an arcuate, inverted U-shaped bottom surface, and where the second chamber (22) has a smaller section with respect to the first chamber (21).
  • This particular configuration of the chambers (21, 22) allows optimal adaptation of the support (20) to the output connection (8) and distribution cable (5), as shown in Figures 1 and 2 .
  • FIG. 6 shows a vertical and aligned arrangement of said auxiliary fuse-holder bases (50) in the front panel of the measurement module (100), which favors rapid identification by and simple handling for the user.
  • the measurement module (100) comprises at least one conductor (110) that can be connected to the output connections (8) of the fuse-holder base (1). Therefore, these conductors (110) of the measurement module (100) are electrically connected to the output connections (8) of the fuse-holder base (1), becoming an extension thereof and, electrically speaking, being the same point, and accordingly, said conductor (110) can be considered a contact point (3) for tapping the voltage of the fuse-holder base (1).
  • said output connections (8) are screw type, having a through hole in which a screw can be inserted, which screw is not depicted, such that a firm attachment is achieved when said screw is tightened, assuring electrical continuity.
  • the measurement module (100) can additionally incorporate voltage tapping connectors (120), as well as an additional electrical conductor (4) for tapping the voltage in the terminal of the neutral conductor (N), as depicted in Figures 9A and 9B .
  • Figures 7 and 8 show a third preferred embodiment, where an "upstream" installation of the auxiliary fuse-holder bases (50) and the voltage tapping connectors (120) can be seen. More specifically, the communication between the input connections (7) of the three-pole fuse-holder base (1) and the auxiliary protection elements (40) through respective electrical conductors (4) can be seen in the side view of Figure 8 .
  • Figures 10A-10D depict a fourth preferred embodiment, where the conductive element (30) is flexible and/or elastic, such that said conductive element (30) is movable and/or deformable between an initial standby position and a working position in which the conductive element (30) is in direct contact with the blades (2.1) of the fuse (2).
  • each of the conductive elements (30) is installed such that it takes up part of the path of the fuses (2), particularly their blades (2.1), such that when the fuse (2) is inserted in its corresponding location of the fuse-holder base (1), the blades (2.1) of each fuse (2) run into the conductive element (30), moving said element (30) and being in direct contact with the blades (2.1) of the fuse (2), as shown in Figure 10B or in the upper part of Figure 10C , this being seen in more detail in Figure 10D .
  • the conductive element (30) can be a rigid element mounted on a flexible support (20), where for all intents and purposes it is essential for the conductive element (30) to be in two working positions.
  • the two possible positions of the conductive element (30) can be seen in Figure 10C . Therefore, the conductive element (30) depicted in the lower position is in standby, without any deformation whatsoever and without contact with any live point of the fuse-holder base (1); whereas the conductive element (30) shown in the upper position is in the working position, i.e., moved to its second position by the action of the fuse (2), particularly by its blades (2.1) and shown to be slightly inclined towards the inner part of the casing, as seen in Figure 10D .
  • the electrical contact between the blade (2.1) and conductive element (30) is thereby assured due to the elastic properties of the conductive element (30), and where said conductive element (30) is subjected to the pressure of the fuse (2) in the working position.
  • This pressure applied by the fuse (2) on the conductive element (30) keeps the conductive element (30) subjected to temporary and reversible deformation, until the fuse (2) is removed, at which point the conductive element (30) returns to its initial standby position.
  • the contact point (3) for tapping the voltage would be the blades (2.1) of the fuses (2), whereas in the support (20) it would be the casing or enclosure itself of the fuse-holder base (1). Furthermore, similarly to the preceding embodiments, and though not shown in the drawings, each of the conductive elements (30) are connected to their respective electrical conductor (4).

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Fuses (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (20)

  1. Système de prise de tension (10) pour un socle porte-fusible (1), ayant une application spécifique pour les prises de tension de socles porte-fusibles avec des fusibles de type NH, où le système de prises de tension (10) comprend :
    - un élément conducteur (30) relié d'une part à une point de contact (3) pour la prise de tension du socle porte-fusible (1), et d'autre part à un conducteur électrique (4) ou un terminal de sortie de prise de tension ;
    - un support (20) dans lequel l'élément conducteur (30) est monté ; et
    - un élément de protection auxiliaire (40) mettant en communication le point de contact (3) pour la prise de tension avec le conducteur électrique (4) ou le terminal de sortie de la prise de tension ;
    caractérisé en ce que l'élément conducteur (30) est doté de propriétés élastiques, de sorte que ledit élément conducteur (30) est mobile et déformable entre une position initiale d'attente et une position de travail dans laquelle l'élément conducteur (30) est en contact direct avec les lames (2.1) du fusible (2), dans lequel l'élément conducteur (30) est configuré pour être installé de telle sorte qu'il occupe une partie du trajet des fusibles (2), notamment de leurs lames (2.1), de sorte que lorsque le fusible (2) est inséré dans son emplacement correspondant du socle porte-fusible (1), les lames (2.1) de chaque fusible (2) s'enfoncent dans l'élément conducteur (30), déplaçant ledit élément conducteur (30) et étant en contact direct avec les lames (2.1) du fusible (2) ;
    et dans lequel l'élément conducteur (30) est un élément métallique doté de propriétés flexibles qui fait communiquer une connexion de sortie (8) du socle porte fusible (1) avec l'élément de protection auxiliaire (40).
  2. Système de prise de tension (10) selon la revendication 1, caractérisé en ce que l'élément de protection auxiliaire (40) est un fusible auxiliaire.
  3. Système de prise de tension (10) selon la revendication 1, caractérisé en ce que l'élément de protection auxiliaire (40) est un disjoncteur magnétothermique.
  4. Système de prise de tension (10) selon la revendication 2, caractérisé en ce que l'élément de protection auxiliaire (40) est fixé sur un socle porte-fusible auxiliaire (50).
  5. Système de prise de tension (10) selon la revendication 1, caractérisé en ce qu'il comprend en outre des moyens d'ouverture et de fermeture pour accéder à l'élément de protection auxiliaire (40), rendant ledit élément de protection auxiliaire (40) amovible.
  6. Système de prise de tension (10) selon la revendication 5, caractérisé en ce que les moyens d'ouverture et de fermeture sont installés dans un socle porte-fusible auxiliaire (50) et comportent une rainure (51).
  7. Système de prise de tension (10) selon la revendication 1, caractérisé en ce que le support (20) comprend au moins une première chambre (21) pour protéger, au moins en partie, une connexion de sortie (8) du socle porte-fusible (1).
  8. Système de prise de tension (10) selon les revendications 1 et 7, caractérisé en ce que le support (20) comprend en outre une deuxième chambre (22) pour loger l'élément de protection auxiliaire (40).
  9. Système de prise de tension (10) selon la revendication 8, caractérisé en ce que la première chambre (21) et la deuxième chambre (22) du support (20) ont une surface inférieure arquée en forme de U inversé, et où la deuxième chambre (22) a une section plus petite par rapport à la première chambre (21).
  10. Système de prise de tension (10) selon la revendication 1, caractérisé en ce que l'élément conducteur (30) peut passer de la position d'attente à la position de travail sous l'action même du fusible (2).
  11. Système de prise de tension (10) selon la revendication 1, caractérisé en ce que l'élément conducteur (30), en position d'attente, n'est en contact avec aucun point actif du socle porte-fusible (1).
  12. Socle porte-fusible (1) comprenant une prise supportant au moins une paire de pinces (6) pour la fixation d'au moins un fusible (2), des connexions d'entrée et de sortie (7, 8), et au moins un point de contact d'entrée et/ou de sortie (3) pour la prise de tension, caractérisé en ce qu'il comprend en outre un système de prise de tension (10) décrit dans l'une quelconque des revendication 1 à 10 précédentes apte à être couplé à un point de contact (3) pour prendre la tension du socle porte-fusible (1).
  13. Socle porte-fusible (1) selon la revendication 12, caractérisé en ce que le système de prise de tension (10) est connecté au point de contact (3) du socle porte-fusible (1).
  14. Socle porte-fusible (1) selon la revendication 12, caractérisé en ce que le système de prise de tension (10) est connecté dans les pinces de fixation (6) pour la fixation des fusibles (2).
  15. Socle porte-fusible (1) selon la revendication 12, caractérisé en ce que le système de prise de tension (10) peut être connecté dans les fusibles (2).
  16. Socle porte-fusible (1) selon la revendication 12, caractérisé en ce qu'il s'agit d'un socle porte-fusible tripolaire, avec trois paires de pinces (6) pour la fixation de trois fusibles (2).
  17. Module de mesure (100) comprenant au moins un système de prise de tension (10) décrit dans l'une quelconque des revendication 1 à 11.
  18. Module de mesure (100) selon la revendication 17, caractérisé en ce qu'il comporte au moins un conducteur (110) qui peut être connecté aux connexions de sortie (8) du socle porte-fusible (1).
  19. Module de mesure (100) selon l'une quelconque des revendications 17 ou 18, caractérisé en ce qu'il comprend en outre des connecteurs de prise de tension (120).
  20. Module de mesure (100) selon l'une quelconque des revendications 17 à 19, caractérisé en ce qu' il comprend un conducteur électrique supplémentaire (4) pour prélever la tension dans le conducteur neutre (N).
EP16382242.2A 2016-05-31 2016-05-31 Système de prise de tension pour une base porte-fusible, base de porte-fusible et module de mesure incorporant ledit système Active EP3252795B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
PL16382242.2T PL3252795T3 (pl) 2016-05-31 2016-05-31 Układ odczepów napięciowych dla podstawy uchwytu bezpiecznika, podstawa uchwytu bezpiecznika i moduł pomiarowy zawierający wspomniany układ
EP16382242.2A EP3252795B1 (fr) 2016-05-31 2016-05-31 Système de prise de tension pour une base porte-fusible, base de porte-fusible et module de mesure incorporant ledit système
ES16382242T ES2933908T3 (es) 2016-05-31 2016-05-31 Sistema de tomas de tensión para una base portafusibles, base portafusibles y módulo de medida que incorpora dicho sistema
PT163822422T PT3252795T (pt) 2016-05-31 2016-05-31 Sistema de derivação de tensão para uma base porta-fusíveis, base porta-fusíveis e módulo de medição que incorpora o referido sistema
CN201780047268.2A CN109564841B (zh) 2016-05-31 2017-05-29 用于熔断器盒基体的电压分接头系统、熔断器盒基体及结合该系统的测量模块
SG11201811810XA SG11201811810XA (en) 2016-05-31 2017-05-29 Voltage tap system for a fuse block base, fuse block base and measurement module incorporated in said system
AU2017272900A AU2017272900A1 (en) 2016-05-31 2017-05-29 Voltage tap system for a fuse block base, fuse block base and measurement module incorporated in said system
PCT/ES2017/070362 WO2017207843A1 (fr) 2016-05-31 2017-05-29 Système de mesures de la tension pour une base porte-fusibles, base porte-fusibles et module de mesure comprenant ce système
IL263397A IL263397A (en) 2016-05-31 2018-11-29 Adjustment system for fuse block base, fuse block base and measurement module included in this system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16382242.2A EP3252795B1 (fr) 2016-05-31 2016-05-31 Système de prise de tension pour une base porte-fusible, base de porte-fusible et module de mesure incorporant ledit système

Publications (2)

Publication Number Publication Date
EP3252795A1 EP3252795A1 (fr) 2017-12-06
EP3252795B1 true EP3252795B1 (fr) 2022-09-21

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EP16382242.2A Active EP3252795B1 (fr) 2016-05-31 2016-05-31 Système de prise de tension pour une base porte-fusible, base de porte-fusible et module de mesure incorporant ledit système

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EP (1) EP3252795B1 (fr)
CN (1) CN109564841B (fr)
AU (1) AU2017272900A1 (fr)
ES (1) ES2933908T3 (fr)
IL (1) IL263397A (fr)
PL (1) PL3252795T3 (fr)
PT (1) PT3252795T (fr)
SG (1) SG11201811810XA (fr)
WO (1) WO2017207843A1 (fr)

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Publication number Priority date Publication date Assignee Title
EP3671792B1 (fr) 2018-12-19 2024-02-07 Jean Müller GmbH Elektrotechnische Fabrik Agencement d'un composant de distribution d'énergie et d'une prise électrique doté d'un dispositif de protection contre les surintensités
CN110571698B (zh) * 2019-10-15 2024-03-19 国网安徽省电力有限公司阜阳供电公司 一种基于高压量测的环网柜
EP4394396A1 (fr) 2022-12-28 2024-07-03 Gorlan Team, S.L.U. Dispositif et procédé de mesure de paramètres électriques dans des installations de base porte-fusibles

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JP6195462B2 (ja) * 2013-04-01 2017-09-13 矢崎総業株式会社 ヒューズユニット
EP2985779B1 (fr) * 2014-08-13 2021-03-31 Pronutec, S.A.U. Base pour un porte-fusible
CN204732369U (zh) * 2015-05-22 2015-10-28 浙江众志汽车电器有限公司 一种多路汽车电源保险盒总成

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IL263397A (en) 2018-12-31
WO2017207843A1 (fr) 2017-12-07
SG11201811810XA (en) 2019-01-30
PT3252795T (pt) 2022-12-26
CN109564841A (zh) 2019-04-02
CN109564841B (zh) 2020-05-05
AU2017272900A1 (en) 2019-01-24
PL3252795T3 (pl) 2023-03-13
ES2933908T3 (es) 2023-02-14
EP3252795A1 (fr) 2017-12-06

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