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1. 发明申请

WO2023086034A1 TWO-WAY CHARGED AND ELECTRIC OVERLOAD PROTECTED DC-ELECTRIC CIRCUIT 审中-公开
公开(公告)号：WO2023086034A1
公开(公告)日：2023-05-19
申请号：PCT/SI2022/000006
申请日：2022-11-08
申请人： ETI ELEKTROELEMENT, D.O.O. , KOPRIVSEK, Mitja , LEBAR, Brane
发明人： KOPRIVSEK, Mitja , LEBAR, Brane
IPC分类号： H01H39/00
摘要： The purpose of the invention is conceiving of an electric circuit (1) with two-way chargeable DC-electric sources (21, 22), which are exchangeable in view of functioning thereof either as a source or as a load, so that by excessive current within such circuit (1) the last could be protected by means of separating of both sources (21, 22) by simultaneously active discharging of both sources (21, 22). According to the invention, each of said sources (21, 22) is electrically connected with an electric fuse (31, 32) with a melting member (31', 32'), wherein said fuses (31, 32) of both sources (21, 22) are in serial connected with each other within their common electrically conductive branch (13) separate, which is however in parallel connected to a primary conductor (11) between positive terminals of said sources (21, 22), which are such via a switch (4) integrated within the electric circuit (1), and moreover, a bridging electric conductor (14) is foreseen within said circuit (1), through of which by two separate electric short-circuits are established upon interruption of said switch (4), which each per se extend through the corresponding source (21, 22) and the belonging fuse (31, 32) with a melting member (31', 32').

2. 发明申请

WO2021101453A1 ELECTRIC FUSE WITH A MELTING MEMBER 审中-公开
公开(公告)号：WO2021101453A1
公开(公告)日：2021-05-27
申请号：PCT/SI2020/000005
申请日：2020-03-27
申请人： ETI ELEKTROELEMENT, D.O.O.
发明人： JERMAN, Anze , PISANEC, Jernej , POLC, Uros , BRVAR, Miha , LEBAR, Brane , BEGANOVIC, Said
IPC分类号： H01H85/36 , H01H85/157 , H01H85/042 , H01H85/18
摘要： Regarding an electric fuse, comprising a melting member (2) extending throughout a ceramic electrically insulating cylindrical casing (1), which is on each terminal portion thereof sealed and closed by means of an electrically conductive cover (3), to which said melting member (2) is electrically connected, it would be desired to assure, by means of simple and cheap measures, that despite to unchanged overall dimensions such fuse could be applied also in electric circuits operating at much higher nominal voltage as those protected by common prior art fuses, wherein however in the case of an electric overload such fuse should still be capable to interrupt the electric circuit extending there-through, where also each potential mechanical damage or even destruction of said ceramic insulating casing (1) must be avoided, which might otherwise lead to expansion of potentially generated arc from the interior of the casing (1) towards the exterior of the fuse. The invention proposes that on each terminal area (11) of the fuse casing (1) and between said casing (1) and said cover (3) a separating barrier (4) is inserted, which consists of an electrically conductive and plastically deformable material and on which on that side, which is faced towards the interior of the fuse casing (1), a layer (5) consisting of an elastic and electrically insulating material is available and is connected therewith in a non-detachable manner, wherein the melting member (2) is on each terminal portion of said fuse electrically connected with each belonging electrically conducting cover (3) via said electrically conductive separating barrier (4) and simultaneously extends also through said electrically insulating layer (5) of elastic material, such that in the area within said layer (5) it is furnished with at least one bending or meander, by means of which it is anchored therein and secured against being pulled-out.

3. 发明申请

WO2022164393A1 ARRANGEMENT OF PROTECTION IN AN ELECTRIC CIRCUIT 审中-公开
公开(公告)号：WO2022164393A1
公开(公告)日：2022-08-04
申请号：PCT/SI2022/000001
申请日：2022-01-27
申请人： ETI ELEKTROELEMENT, D.O.O. , KOPRIVSEK, Mitja , LEBAR, Brane
发明人： KOPRIVSEK, Mitja , LEBAR, Brane
IPC分类号： H02H9/04
摘要： A direct (DC) or alternative (AC) electric circuit (1) needs to be efficiently protected both against excessive current and overvoltage, e.g. by lightning, wherein also selectivity of such protection would have to be assured, which means that by interruption of the electric circuit (1) one should be able to clarify, whether such interruption results from interruption of a fuse (4) within a primary conductor (11, 12) of the electric circuit (1), or from interruption of the switch (6) in an overvoltage protecting assembly (5). The invention proposes that a bridging electric conductor (13) of the overvoltage protecting assembly (5), by which primary electric conductors (11, 12) are bridged in the area between a voltage source (2) and a load (3), in addition to a varistor (50) with a belonging thermal sensor (50') also includes a three-point switch (6) with an interrupting member (60), which is in pre-determined conditions by means of a suitable triggering means (7) displaceable from its initial first position, in which a bridging conductor (13) of the overvoltage protecting assembly (5) is conductive, into its second terminal position, in which said bridging electric conductor (13) of the overvoltage protecting assembly (5) is interrupted, wherein the electric circuit through a parallel branch (13') and a belonging fuse (55) is established only upon interruption of the switch (6) in the bridging conductor (13), namely upon displacement of the interrupting member (60) of the switch (6) into its second terminal position and in contact with said parallel branch (13').

4. 发明申请

WO2022025828A1 ASSEMBLY OF A MELTING FUSE WITH KNIFE BLADE CONTACTS AND AN ELECTRIC MEASURING APPARATUS, AS WELL AS A MELTING FUSE SUITABLE FOR USE IN SUCH AN ASSEMBLY 审中-公开
公开(公告)号：WO2022025828A1
公开(公告)日：2022-02-03
申请号：PCT/SI2021/000008
申请日：2021-07-12
申请人： ETI ELEKTROELEMENT, D.O.O. , LEBAR, Brane , ROME, Anton , KOVAC, Viktor , MARTINCIC, Viktor , KOPRIVSEK, Mitja
发明人： LEBAR, Brane , ROME, Anton , KOVAC, Viktor , MARTINCIC, Viktor , KOPRIVSEK, Mitja
IPC分类号： H01H85/02 , H01H85/045 , H01H85/153 , H01H85/175 , H01H85/20
摘要： Assembly of a fuse (1) with knife blade contacts (11', 11 ") and an electric measuring apparatus (2) with knife blade contacts (11', 11"), which are with regard to the casing (10) arranged outside of its central area and oriented substantially parallel offset apart from said central plane (S). Said electric measuring apparatus (2) comprises a casing (20), which is L-shaped in its profile, and comprises two chambers (20', 20"), wherein a primary chamber (20') is furnished with a throughout passage (21), for receiving a knife blade contact (11', 11") of the fuse (1) and the components of the measuring apparatus (2), which must during the operation be maintained in electric contact with said knife blade contact (11', 11 "), while a secondary chamber (20") of the casing (20) of the measuring apparatus (2), is adjusted for being rest on the casing (10) of the fuse (1).

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