EP4572035B1 - Dispositif de prévention de surcharge pour convertisseur de puissance tout terrain - Google Patents

Dispositif de prévention de surcharge pour convertisseur de puissance tout terrain

Info

Publication number
EP4572035B1
EP4572035B1 EP24193381.1A EP24193381A EP4572035B1 EP 4572035 B1 EP4572035 B1 EP 4572035B1 EP 24193381 A EP24193381 A EP 24193381A EP 4572035 B1 EP4572035 B1 EP 4572035B1
Authority
EP
European Patent Office
Prior art keywords
conductive piece
standard
main body
piece
fuse tube
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
EP24193381.1A
Other languages
German (de)
English (en)
Other versions
EP4572035A1 (fr
Inventor
Guangli ZENG
Chengbing WANG
Feng Wang
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.)
Dongguan Best Travel Electronics Co Ltd
Original Assignee
Dongguan Best Travel Electronics Co Ltd
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 claimed from CN202311717256.XA external-priority patent/CN117895287A/zh
Application filed by Dongguan Best Travel Electronics Co Ltd filed Critical Dongguan Best Travel Electronics Co Ltd
Publication of EP4572035A1 publication Critical patent/EP4572035A1/fr
Application granted granted Critical
Publication of EP4572035B1 publication Critical patent/EP4572035B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/68—Structural association with built-in electrical component with built-in fuse
    • H01R13/696—Structural association with built-in electrical component with built-in fuse the fuse being integral with the terminal, e.g. pin or socket
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/68—Structural association with built-in electrical component with built-in fuse
    • H01R13/684—Structural association with built-in electrical component with built-in fuse the fuse being removable
    • H01R13/688—Structural association with built-in electrical component with built-in fuse the fuse being removable with housing part adapted for accessing the fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter

Definitions

  • the present invention relates to the technical field of power converters, and particularly relates to an overload prevention device for multi-country power converters.
  • the conventional power converter on the market is provided with a plug hole on the shell, and a conductive terminal is provided through the side wall of the plug hole to be in electrical contact with the fuse tube, so that it is easy to generate electrical leakage during use, thus resulting in electric shock, which causes a potential safety hazard. It also occupies a product space, which is not conducive to miniaturization of the product.
  • the object of the present invention is to provide an overload prevention device for a multi-country power converter. It is easy to pull out and mount the device of the invention. The structure is stable after being mounted. The conduction is smooth and the safety is high, which effectively protects the circuit of the power converter to prevent overload of the circuit and the problem of people pulling out incorrectly during use. The volume of the product can also be made smaller.
  • the invention is set out in the appended set of claims.
  • An overload prevention device for a multi-country power converter comprises an upper cover of a main body, a lower cover of the main body covered on the upper cover of the main body, a US-standard pin assembly disposed between the upper cover of the main body and the lower cover of the main body, and a UK-standard pin assembly disposed between the upper cover of the main body and the lower cover of the main body, wherein at least one socket hole is formed on the upper cover of the main body, wherein the device further comprises a fuse holder detachably mounted in the lower cover of the main body, a fuse tube mounted in the fuse holder, a lower conductive piece fixed on the lower cover of the main body, and an upper conductive piece fixed between the upper cover of the main body and the lower cover of the main body; a mounting frame is formed in the fuse holder, and the fuse tube is mounted in the mounting frame; the lower conductive piece comprises a clamping part of the lower conductive piece capable of clamping and conducting the lower part of the fuse tube; the UK-standard pin assembly and the US-standard pin assembly
  • the lower conductive piece further comprises a connection piece of the lower conductive piece, a US-standard clamping part disposed at one end of the connection piece of the lower conductive piece and capable of being inserted and electrically connected to the US-standard pin assembly, and a UK-standard clamping part disposed at the other end of the connection piece of the lower conductive piece and capable of being inserted and electrically connected to the US-standard pin assembly; and the clamping part of the lower conductive piece is disposed at the other end of the connection piece of the lower conductive piece.
  • the clamping part of the lower conductive piece comprises a clamping arm of the lower conductive piece which respectively clamps two sides of the lower part of the fuse tube; the upper end of the clamping arm of the lower conductive piece is formed with an upper guide block of the lower conductive piece which extends obliquely towards the outer upper end; and the lower end of the clamping arm of the lower conductive piece is formed with a lower guide block of the lower conductive piece which extends obliquely towards the outer lower end.
  • the upper conductive piece further comprises a connection piece of the upper conductive piece which is of a " ⁇ " type as a whole, and a socket hole connection clamping part disposed at one end of the connection piece of the upper conductive piece and being electrically connected to the socket hole; and the clamping part of the upper conductive piece is disposed at the other end of the connection piece of the upper conductive piece.
  • the clamping part of the upper conductive piece comprises an clamping arm of the upper conductive piece respectively clamping two sides of the upper part of the fuse tube and extending integrally downwards; and the lower part of the clamping arm of the upper conductive piece is formed with at least one guide block of the upper conductive piece extending obliquely towards the outer lower end.
  • a mounting cover is formed on a lower end surface of the fuse holder, at least one mounting limit part extends outwards on a side edge of the mounting cover, and a pull-out guide surface extending obliquely outwards and downwards from the mounting plate is formed on an upper end surface of the mounting limit part;
  • the lower cover of the main body is provided with a fuse tube insertion hole matched with the mounting cover and the mounting limit part; and at least one pulling-out avoidance groove is recessed on a side edge of the fuse tube insertion hole.
  • the mounting frame has a rectangular or circular arc shape as a whole.
  • the inner wall of the mounting frame is convexly provided with at least one set of inner limit protrusions arranged symmetrically; a side edge of the fuse tube presses against the inner limit protrusion; a lower limit protrusion is respectively protruded at two ends of the outer side of the lower part of the mounting frame; and the lower end of the fuse tube presses against the lower limit protrusion.
  • a US-standard live wire conductive piece is disposed on the US-standard pin assembly; and the US-standard live wire conductive piece is inserted into the US-standard clamping part when the US-standard pin assembly is pushed out of the lower cover of the main body.
  • a UK-standard live wire conductive piece is disposed on the UK-standard pin assembly; and the UK-standard live wire conductive piece is inserted into the UK-standard clamping part when the UK-standard pin assembly is pushed out of the lower cover of the main body.
  • the invention has the following beneficial effects.
  • the fuse holder is used for protecting and limiting the fuse tube. After the fuse holder and the fuse tube are mounted in the power converter, an clamping part of the upper conductive piece in the upper conductive piece clamps the upper part of the fuse tube, so that one end of the fuse tube is connected to a live wire at one end of the socket hole of the power converter. The lower side surface of the fuse tube is clamped by a clamping part of the lower conductive piece in the lower conductive piece, so that the other end of the fuse tube is connected to the live wires of the US-standard pin assembly and the UK-standard pin assembly in the power converter, and the two are combined.
  • the present anti-electric shock device conducts smoothly and has high safety, and effectively protects the circuit of the power converter and prevents the circuit from being overloaded.
  • the fuse tube is correspondingly mounted on the fuse tube insertion hole, and matched with a pulling-out avoidance hole on the side of the fuse tube insertion hole, so that the fuse tube is more convenient in pulling out and mounting.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined by “first” or “second” may explicitly or implicitly include one or more such features. In the description of the present invention, the meaning of "a plurality” is two or more, unless specifically and specifically limited otherwise.
  • the terms “mounted”, “connected”, “connecting”, “fixed”, and the like are to be interpreted broadly, e.g., either fixedly or detachably, or integrally connected. It may be a mechanical connection or an electrical connection. It may be a direct connection or indirect connection by an intermediary. It may be a communication between two elements, or may be in an interactive relationship between two elements, unless explicitly defined otherwise.
  • the specific meaning of the above terms in the present invention will be understood in specific circumstances by those of ordinary skill in the art.
  • the embodiment of the present invention provides an overload prevention device for a multi-national power converter, including an upper cover of a main body 1, a lower cover of the main body 2 covered on the the upper cover 1 of the main body, a US-standard pin assembly 3 disposed between the upper cover of the main body 1 and the lower cover of the main body 2, and a UK-standard pin assembly 4 disposed between the upper cover of the main body 1 and the lower cover of the main body 2.
  • a socket hole 11 is formed on the the upper cover 1 of the main body.
  • the device further includes a fuse holder 5 detachably mounted in the lower cover of the main body 2, a fuse tube 6 mounted in the fuse holder 5, a lower conductive piece 7 fixed on the lower cover of the main body 2, and an upper conductive piece 8 fixed between the upper cover of the main body 1 and the lower cover of the main body 2.
  • a mounting frame 51 is formed in the fuse holder 5, and the fuse tube 6 is mounted in the mounting frame 51.
  • the lower conductive piece 7 includes a clamping part 71 of the lower conductive piece capable of clamping and conducting the lower part of the fuse tube 6.
  • the UK-standard pin assembly 4 and the US-standard pin assembly 3 are respectively connected with the lower conductive piece 7 in a plug-in manner.
  • the upper conductive piece 8 includes an clamping part 81 of the upper conductive piece capable of clamping and conducting the upper part of the fuse tube 6.
  • the upper conductive piece 8 is electrically connected to the socket hole 11.
  • the fuse holder 5 is used for fixing the position of the fuse tube 6, preventing the fuse tube 6 from shifting in the power converter, and more facilitating the clamping of the upper conductive piece 8 and the lower conductive piece 7. It ensures that the fuse tube 6 is in conductive connection with the live wire on the socket hole 11 and the live wire between the UK-standard pin assembly 4 and the US-standard pin assembly 3, and improves the safety of the power converter.
  • the clamping part 81 of the upper conductive piece in the upper conductive piece 8 clamps the upper part of the fuse tube 6, so that one end of the fuse tube 6 is electrically connected to the live wire of the multi-country plug inserted into the socket hole 11.
  • the clamping part 71 of the lower conductive piece in the lower conductive piece 7 clamps the lower part of the fuse tube 6, so that the other end of the fuse tube 6 is connected to the live wire pins of the US-standard pin assembly 3 and the UK-standard pin assembly 4.
  • the two are combined, so that the device is conductive smoothly and has high safety.
  • the circuit in the power converter is effectively protected against overloading.
  • the product volume may be made smaller.
  • the lower conductive piece 7 further includes a connection piece 72 of the lower conductive piece, a US-standard clamping part 73 disposed at one end of the connection piece 72 of the lower conductive piece and capable of being inserted and electrically connected to the US-standard pin assembly 3, and a UK-standard clamping part 74 disposed at the other end of the connection piece 72 of the lower conductive piece and capable of being inserted and electrically connected to the UK-standard pin assembly 4.
  • the lower conductive clamp 71 is disposed at the other end of the connection piece 72 of the lower conductive piece.
  • the lower conductive piece 7 is of an integrally formed type structure, so as to ensure degree of conduction fluency between various components and improve the conduction efficiency.
  • One end of the connection piece 72 of the lower conductive piece extends upwards and is connected to the lower end of the clamping part 71 of the lower conductive piece, and the other end is formed with a US-standard clamping part 73 and a UK-standard clamping part 74.
  • the US-standard pin assembly 3 is inserted into the US-standard clamping part 73 so as to achieve a conductive connection between the live wire pin on the US-standard pin assembly 3 and the fuse tube 6.
  • the US-standard pin assembly 3 is not connected to the US-standard clamping part 73, effectively ensuring the safety of the use of the US-standard pin assembly 3.
  • the UK-standard pin assembly 4 is required to be used, only the UK-standard pin assembly 4 is required to be pushed out of the lower cover of the main body 2 from the power converter.
  • the UK-standard pin assembly 4 is inserted into the UK-standard clamping part 74 so as to achieve a conductive connection between the live wire pin on the UK-standard pin assembly 4 and the fuse tube 6.
  • the UK-standard pin assembly 4 is not connected to the UK-standard clamping part 74, effectively ensuring the safety of the use of the UK-standard pin assembly 4.
  • connection piece 72 of the lower conductive piece As shown in Figs. 1 and 3 , the shape of the connection piece 72 of the lower conductive piece may be arranged according to practical requirements. For example, in the present embodiment, the shape of the connection piece 72 of the lower conductive piece is bent to avoid the live wire pin in the UK-standard pin assembly 4.
  • the clamping part 71 of the lower conductive piece includes a clamping arm of the lower conductive piece 711 which respectively clamps two sides of the lower part of the fuse tube 6.
  • the upper end of the clamping arm of the lower conductive piece 711 is formed with an upper guide block of the lower conductive piece 712 which extends obliquely towards the outer upper end.
  • the lower end of the clamping arm of the lower conductive piece 711 is formed with a lower guide block of the lower conductive piece 713 which extends obliquely towards the outer lower end.
  • Two sets of clamping arms 711 of the lower conductive piece respectively clamp the two sides of the lower part of the fuse tube 6, so as to ensure that the fuse tube 6 is in connection and conduction with the live wires of the UK-standard pin assembly 4 and the US-standard pin assembly 3, preventing the fuse tube 6 from shifting during use, and improving the conduction efficiency.
  • the fuse tube 6 and the fuse holder 5 are pulled out from the clamping part 71 of the lower conductive piece more easily and accurately under the guide action of the upper guide block of the lower conductive piece 712, so as to improve the efficiency of pulling out the fuse tube 6 and the fuse holder 5, and after pulling out, the fuse tube 6 can be freely replaced in the fuse holder 5 for the next use.
  • the fuse tube 6 and the fuse frame 5 are more easily and accurately inserted into the clamping part 71 of the lower conductive piece under the guide action of the lower guide block of the lower conductive piece 713, so as to be clamped and conducted by the clamping part 71 of the lower conductive piece, thereby completing the mounting of the fuse tube 6 and improving the efficiency of the mounting of the fuse tube 6 and the fuse frame 5.
  • the upper conductive piece 8 further includes a connection piece 82 of the upper conductive piece which is of a " L " type as a whole, and a socket hole connection clamping part 83 disposed at one end of the connection piece 82 of the upper conductive piece and being electrically connected to the socket hole 11.
  • the clamping part 81 of the upper conductive piece is disposed at the other end of the connection piece 82 of the upper conductive piece.
  • the upper conductive piece 8 is of an integrally formed type structure, so as to ensure degree of conduction fluency between various components and improve the conduction efficiency.
  • connection piece 82 of the upper conductive piece has a " ⁇ " structure, and may effectively reserve a fixing position for the upper conductive piece 8, so that screws may fix the upper conductive piece 8 on the internal parts of the power converter (for example, fixing same on a lower end face of a support in a protection door assembly for preventing single insertion of a multi-country power converter with the patent number being CN212874982U ).
  • the clamping part 81 of the upper conductive piece is disposed at one end of the upper conductive connecting piece 82 extending upwards and extending integrally downwards so as to clamp the fuse tube 6.
  • the socket hole 11 connection clamping part is disposed at one end of the upper conductive connecting piece 82 in the transverse direction and extending integrally upwards, correspondingly conductive to a conductive elastic piece corresponding to the socket hole 11 (for example, the patent number CN206135158U , and the patent title of a Right Socket Elastic Piece Assembly in a Multi-country Power Converter, namely, one end of the right socket elastic piece assembly extending downwards is inserted into the socket hole 11 connection clamping part), thereby achieving conduction between the multi-country plug inserted into the socket hole 11 and the respective pin assembly.
  • the clamping part 81 of the upper conductive piece includes a clamping arm 811 of the upper conductive piece respectively clamping two sides of the upper part of the fuse tube 6 and extending integrally downwards.
  • the lower part of the clamping arm 811 of the upper conductive piece is formed with at least one guide block of the upper conductive piece 812 extending obliquely towards the outer lower end.
  • Two sets of clamping arms 811 of upper conductive piece clamp the upper part of the fuse tube 6 so as to perform connection and conduction of the fuse tube 6 to the live wire on the socket hole 11 in the power converter.
  • the upper end of the fuse tube 6 first contacts the guide block of the upper conductive piece 812, and the fuse tube 6 is inserted into the clamping arm 811 of the upper conductive piece under the guide action of the guide block of the upper conductive piece 812, so that the fuse tube 6 is easier and more accurate to be inserted into the clamping part 81 of the upper conductive piece to prevent displacement, and is clamped and conducted by the clamping part 81 of the upper conductive piece to complete the mounting of the fuse tube 6 and improve the mounting efficiency.
  • a guide block 812 of the upper conductive piece is respectively formed on two sides of the lower part of the clamping arm 811 of the upper conductive piece.
  • a total of four guide blocks 812 of the upper conductive piece guide all four corners of the fuse tube 6, so that the fuse tube 6 is inserted into the middle part of the clamping part 81 of the upper conductive piece more precisely to complete the conduction and connection.
  • a mounting cover 52 is formed on the lower end surface of the fuse holder 5. At least one mounting limiting part 521 extends outwards on the side edge of the mounting cover 52. A pull-out guide surface 522 extending obliquely outwards and downwards from the mounting plate is formed on the upper end surface of the mounting limiting part 521.
  • the lower cover 2 of the main body is provided with a fuse tube insertion hole 21 matched with the mounting cover 52 and the mounting limiting part 521. At least one pulling-out avoidance groove 22 is recessed on a side edge of the fuse tube insertion hole 21.
  • the fuse holder 5 and the fuse tube 6 are inserted into the power converter via the fuse tube insertion hole 21.
  • the mounting limit part 521 is pressed against the side edge of the fuse tube insertion hole 21, thereby preventing the fuse tube 6 from being excessively inserted into the power converter.
  • the whole process is simple and convenient, and the efficiency of pull-out is improved.
  • the overall shape of the mounting frame 51 is a rectangle or a circular arc, and the specific selection thereof may be made according to actual situations.
  • the rectangle is selected to match the fuse tube 6.
  • a lower limit protrusion 512 protrudes at two ends of the outer side of the lower part of the mounting frame 51 respectively, and the lower end of the fuse tube 6 presses against the lower limit protrusion 512. The two are combined together, so that the fuse tube 6 is stably fixed in the mounting frame 51 and cannot be easily displaced.
  • the device is conductive smoothly and has high safety.
  • the circuit in the power converter is effectively protected against overloading.
  • a US-standard live wire conductive piece 31 is disposed on the US-standard pin assembly 3, and the US-standard live wire conductive piece 31 is inserted into the US-standard clamping part 73 when the US-standard pin assembly 3 is pushed out of the lower cover of the main body 2, so that the US-standard pin assembly 3 is conductively connected to the lower conductive piece 7, the lower conductive piece 7 is conductively connected to the fuse tube 6, and the upper end of the fuse tube 6 is conductively connected to the upper conductive piece 8, and the upper conductive piece 8 is conductively connected to the conductive elastic piece on the support.
  • the multi-country plug to be converted After the multi-country plug to be converted is inserted into the socket hole 11, the multi-country plug conducts with the conductive elastic piece, and the whole conduction structure is complete and the conduction is smooth.
  • the US-standard live wire conductive piece 31 is far away from the US-standard clamping part; 73, so as to ensure that the US-standard live wire conductive piece 31 is connected and conducted with the external plug, thereby improving the safety of the power converter.
  • Patent No. CN111682334 namely, a multi-way sliding type small plug, regarding the structure of the second pin and the use of a distance, etc. so that the description thereof will not be repeated in this embodiment.
  • the UK-standard pin assembly 4 is provided with a UK-standard live wire conductive piece 41.
  • the UK-standard live wire conductive piece 41 is inserted into the UK-standard clamping part 74 when the UK-standard pin assembly 4 is pushed out of the lower cover of the main body 2, so that the UK-standard pin assembly 4 is in conduction and connection with the lower conductive piece 7, the lower conductive piece 7 is in conduction and connection with the fuse tube 6, the upper end of the fuse tube 6 is in conduction and connection with the upper conductive piece 8, and the upper conductive piece 8 is in conduction and connection with the conductive elastic piece on the support.
  • the multi-country plug to be converted After the multi-country plug to be converted is inserted into the socket hole 11, the multi-country plug conducts with the conductive elastic piece, and the whole conduction structure is complete and the conduction is smooth.
  • the UK-standard live wire conductive piece 41 is far away from the UK-standard clamping part 74, thereby ensuring that the UK-standard live wire conductive piece 41 is connected and conducted with the external plug, and improving the safety of the power converter.
  • Patent No. CN111682334 namely, a multi-way sliding type small plug, regarding the structure of the second pin and the use of a distance, etc., which will not be repeated in this embodiment.

Landscapes

  • Fuses (AREA)
  • Dc-Dc Converters (AREA)
  • Power Conversion In General (AREA)

Claims (8)

  1. Dispositif de prévention de surcharge pour un convertisseur d'alimentation pour multi-pays, comprenant :
    un couvercle supérieur (1) d'un corps principal,
    un couvercle inférieur (2) du corps principal recouvrant le couvercle supérieur (1) du corps principal,
    un ensemble de broche de norme US (3) disposé entre le couvercle supérieur (1) du corps principal et le couvercle inférieur (2) du corps principal,
    un ensemble de broche de norme UK (4) disposé entre le couvercle supérieur (1) du corps principal et le couvercle inférieur (2) du corps principal,
    un porte-fusible (5) monté de manière amovible dans le couvercle inférieur (2) du corps principal, un cadre de montage (51) étant formé dans le porte-fusible (5), le cadre de montage (51) présentant une forme rectangulaire ou en arc de cercle dans son ensemble,
    un tube de fusible (6) monté dans le cadre de montage (51), et
    une pièce conductrice supérieure (8) fixée entre le couvercle supérieur (1) du corps principal et le couvercle inférieur (2) du corps principal,
    dans lequel au moins un trou de prise (11) est formé sur le couvercle supérieur (1) du corps principal, la pièce conductrice supérieure (8) comprend une partie de serrage de la pièce conductrice supérieure (81) permettant de serrer et de rendre une partie supérieure du tube fusible (6) conductrice ; la pièce conductrice supérieure (8) est connectée électriquement à l'au moins un trou de prise (11) ; un couvercle de montage (52) est formé sur une surface d'extrémité inférieure du porte-fusible (5), caractérisé en ce que
    le dispositif comprend en outre une pièce conductrice inférieure (7) fixée sur le couvercle inférieur (2) du corps principal ; dans lequel la pièce conductrice inférieure (7) comprend une partie de serrage de la pièce conductrice inférieure (71) permettant de serrer et de rendre la partie inférieure du tube de fusible (6) conductrice ;
    l'ensemble de broche de norme UK (4) et l'ensemble de broche de norme US (3) sont connectés respectivement à la pièce conductrice inférieure (7) de manière enfichable ;
    au moins une partie de limitation de montage (521) s'étend vers l'extérieur sur un bord latéral du couvercle de montage (52), et une surface de guidage de tirage (522) s'étendant obliquement vers l'extérieur et vers le bas à partir d'une plaque de montage est formée sur une surface d'extrémité supérieure de la partie de limitation de montage (521) ; le couvercle inférieur (2) du corps principal est pourvu d'un trou d'insertion de tube de fusible (21) correspondant au couvercle de montage (52) et à la partie de limitation de montage (521), et au moins une rainure d'évitement de tirage (22) est creusée sur un bord latéral du trou d'insertion de tube de fusible (21).
  2. Dispositif de prévention de surcharge pour un convertisseur d'alimentation pour multi-pays selon la revendication 1, caractérisé en ce que la pièce conductrice inférieure (7) comprend en outre une pièce de connexion de la pièce conductrice inférieure (72), une partie de serrage de norme US (73) disposée à une extrémité de la pièce de connexion de la pièce conductrice inférieure (72) et permettant d'être insérée et connectée électriquement à l'ensemble de broche de norme US (3), et une partie de serrage de norme UK (74) disposée à l'autre extrémité de la pièce de connexion de la pièce conductrice inférieure (72) et permettant d'être insérée et connectée électriquement à l'ensemble de broche de norme US (4) ; et la partie de serrage de la pièce conductrice inférieure (71) est disposée à l'autre extrémité de la pièce de connexion de la pièce conductrice inférieure (72).
  3. Dispositif de prévention de surcharge pour un convertisseur d'alimentation pour multi-pays selon la revendication 1, caractérisé en ce que la partie de serrage de la pièce conductrice inférieure (71) comprend un bras de serrage de la pièce conductrice inférieure (711) qui serre respectivement deux côtés de la partie inférieure du tube de fusible (6) ; l'extrémité supérieure du bras de serrage de la pièce conductrice inférieure (711) est pourvue d'un bloc de guidage supérieur de la pièce conductrice inférieure (712) qui s'étend obliquement vers l'extrémité supérieure extérieure ; et l'extrémité inférieure du bras de serrage de la pièce conductrice inférieure (711) est pourvue d'un bloc de guidage inférieur de la pièce conductrice inférieure (7) qui s'étend obliquement vers l'extrémité inférieure extérieure.
  4. Dispositif de prévention de surcharge pour un convertisseur d'alimentation pour multi-pays selon la revendication 1, caractérisé en ce que la pièce conductrice supérieure (8) comprend en outre une pièce de connexion de la pièce conductrice supérieure (82) qui est de type « L » dans son ensemble ; et une partie de serrage de connexion de trou de prise (83) disposée à une extrémité de la pièce de connexion de la pièce conductrice supérieure (82) et étant connectée électriquement au trou de prise (11) ; et la partie de serrage de la pièce conductrice supérieure (81) est disposée à l'autre extrémité de la pièce de connexion de la pièce conductrice supérieure (82).
  5. Dispositif de prévention de surcharge pour un convertisseur d'alimentation pour multi-pays selon la revendication 1, caractérisé en ce que la partie de serrage de la pièce conductrice supérieure (81) comprend un bras de serrage de la pièce conductrice supérieure (811) serrant respectivement deux côtés de la partie supérieure du tube de fusible (6) et s'étendant dans son ensemble vers le bas ; et
    la partie inférieure du bras de serrage de la pièce conductrice supérieure (811) est pourvue d'au moins un bloc de guidage de la pièce conductrice supérieure (8) s'étendant obliquement vers l'extrémité inférieure extérieure.
  6. Dispositif de prévention de surcharge pour un convertisseur d'alimentation pour multi-pays selon la revendication 1, caractérisé en ce qu'une paroi intérieure du cadre de montage (51) est pourvue de manière convexe d'au moins une série de sailles de limitation intérieure (511) disposées de manière symétrique ; un bord latéral du tube de fusible (6) s'appuie contre la saille de limitation intérieure (511) ; une saille de limitation inférieure (512) fait saille respectivement à deux extrémités du côté extérieur de la partie inférieure du cadre de montage (51) ; et l'extrémité inférieure du tube de fusible (6) s'appuie contre la saille de limitation inférieure (512).
  7. Dispositif de prévention de surcharge pour un convertisseur d'alimentation pour multi-pays selon la revendication 2, caractérisé en ce qu'une pièce conductrice de fil sous tension de norme US (31) est disposée sur l'ensemble de broche de norme US (3) ; et la pièce conductrice de fil sous tension de norme US (31) est insérée dans la partie de serrage de norme US (73) lorsque l'ensemble de broche de norme US (3) est extrait du couvercle inférieur (2) du corps principal.
  8. Dispositif de prévention de surcharge pour un convertisseur d'alimentation pour multi-pays selon la revendication 2, caractérisé en ce qu'une pièce conductrice de fil sous tension de norme UK (41) est disposée sur l'ensemble de broche de norme UK (4) ; et la pièce conductrice de fil sous tension de norme UK (41) est insérée dans la partie de serrage de norme UK (74) lorsque l'ensemble de broche de norme UK (4) est extrait du couvercle inférieur (2) du corps principal.
EP24193381.1A 2023-12-13 2024-08-07 Dispositif de prévention de surcharge pour convertisseur de puissance tout terrain Active EP4572035B1 (fr)

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CN202311717256.XA CN117895287A (zh) 2023-09-15 2023-12-13 一种用于多国电源转换器的防过载装置

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KR (1) KR200499963Y1 (fr)
AU (1) AU2024205555B2 (fr)
ES (1) ES3064048T3 (fr)
FI (1) FI4572035T3 (fr)
PL (1) PL4572035T3 (fr)
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Publication number Priority date Publication date Assignee Title
CN201383610Y (zh) 2009-04-16 2010-01-13 鹤山市万顺电器制造有限公司 一种插头转换器
CN205141261U (zh) * 2015-11-11 2016-04-06 公牛集团有限公司 一种多国转换器
EP3316414A1 (fr) * 2016-11-01 2018-05-02 Travel Blue Limited Adaptateur de prise de courant de voyage pouvant être mis à la terre
EP3316421A1 (fr) * 2016-11-01 2018-05-02 Travel Blue Limited Adaptateur compact de prise de courant de voyage pouvant être mis à la terre
US11973298B2 (en) * 2018-09-27 2024-04-30 Worldconnect Ag Protection apparatus and travel adapter
CN110289532B (zh) 2019-07-31 2024-04-19 东莞市万旅电器有限公司 一种转换接头
CN110474187A (zh) 2019-09-17 2019-11-19 东莞市佳旅电器有限公司 一种多路滑动式小插头
CN215070684U (zh) * 2021-01-06 2021-12-07 东莞市佳旅电器有限公司 一种用于电源转换器的防触电机构
TWM632684U (zh) * 2021-05-21 2022-10-01 大陸商東莞市佳旅電器有限公司 一種用於電源轉換器的防觸電機構
CN218415271U (zh) * 2022-10-08 2023-01-31 深圳市欧力科技有限公司 一种旅行用插头插座转换器
CN218548999U (zh) 2022-10-08 2023-02-28 深圳市欧力科技有限公司 一种旅行用插座
CN221687911U (zh) * 2023-09-15 2024-09-10 东莞市佳旅电器有限公司 一种用于多国电源转换器的防过载装置

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EP4572035A1 (fr) 2025-06-18
WO2025124606A1 (fr) 2025-06-19
PT4572035T (pt) 2026-02-27
PL4572035T3 (pl) 2026-04-13
ES3064048T3 (en) 2026-04-22
FI4572035T3 (fi) 2026-03-10
AU2024205555A1 (en) 2025-07-03
AU2024205555B2 (en) 2026-01-22
KR200499963Y1 (ko) 2026-01-15

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