WO2024061329A1 - Connecteur ayant une fonction de fusible - Google Patents

Connecteur ayant une fonction de fusible Download PDF

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Publication number
WO2024061329A1
WO2024061329A1 PCT/CN2023/120475 CN2023120475W WO2024061329A1 WO 2024061329 A1 WO2024061329 A1 WO 2024061329A1 CN 2023120475 W CN2023120475 W CN 2023120475W WO 2024061329 A1 WO2024061329 A1 WO 2024061329A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuse
connector
connecting piece
function according
electrically connected
Prior art date
Application number
PCT/CN2023/120475
Other languages
English (en)
Chinese (zh)
Inventor
王超
Original Assignee
吉林省中赢高科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 吉林省中赢高科技有限公司 filed Critical 吉林省中赢高科技有限公司
Publication of WO2024061329A1 publication Critical patent/WO2024061329A1/fr

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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
    • H01R13/684—Structural association with built-in electrical component with built-in fuse the fuse being removable

Definitions

  • This application relates to the technical field of connectors, and in particular to a connector with a safety function.
  • power battery systems generally use fuses to connect the connector and other components of the power battery system to protect the entire current loop. Since the fuse has a single structure, it needs to be installed in the high-voltage control box (PDU). Since the installation and removal of the fuse installed in the high-voltage control box is complicated, the maintainability of the circuit of the power battery system is poor.
  • PDU high-voltage control box
  • This application aims to solve the complex technical problems of installing and disassembling fuses in the prior art, and provides a connector with a safety function.
  • the present application provides a connector with a safety function, including a connector housing, at least one terminal at least partially disposed in the connector housing, and at least one cable, where the terminal is electrically connected to the cable;
  • An insurance mechanism is provided in the connector housing; the insurance mechanism includes a detachable current overload protection part and a first connector and a second connector electrically connected to both ends of the current overload protection part; the third connector is electrically connected to both ends of the current overload protection part.
  • a connecting piece is electrically connected to at least one of the terminals, and the second connecting piece is electrically connected to at least one of the cables.
  • the second connecting member and the cable are connected by bolting, welding, riveting, crimping or splicing.
  • connection method between the terminal and the first connector is bolting, welding, riveting, crimping or splicing.
  • the current overload protection part is a fuse
  • the first connecting piece and the second connecting piece have slots
  • both ends of the fuse are clamped with the slots.
  • the current overload protection part is a fuse
  • the first connector and the second connector are both provided with screws
  • both ends of the fuse are provided with through holes
  • the screws pass through the Through hole and removable connection with nut.
  • the fuse is a thermal fuse, a fast-blow fuse, a slow-blow fuse, a ceramic tube fuse or a glass tube fuse.
  • the connector housing further includes a fixed reinforced base for fixing the fuse, and the fixed reinforced base is located between the first connecting piece and the second connecting piece.
  • the fixed reinforcement base and the connector housing are snap-fitted, bolted, spliced, or integrally injection molded.
  • the fixed reinforcement base has a fixing groove with an opening, and the fuse is clamped in the opening.
  • the fixed reinforcement base has a fixing groove with an opening, and a snap-in portion that closes the opening.
  • the fuse is placed in the opening, and the snap-in portion limits the movement of the fuse.
  • the current overload protection part is an air switch, a fuse, a circuit breaker, a relay or an actuator.
  • the detachable fuse is located in the connector, which is easy to disassemble and replace, saving time and reducing the need to disassemble important charging components, thus improving the safety of the line;
  • Figure 1 is a schematic structural diagram of a connector with a safety function in this application
  • FIG. 2 is a schematic diagram of the internal structure of the connector housing of this application.
  • FIG3 is a schematic diagram of a bolt connection structure between a fuse and a first connecting member of the present application
  • Figure 4 is a top view of the fuse and the first connector and the second connector of the present application.
  • Figure 5 is a schematic structural diagram of the fuse and fixed mounting base of this application.
  • FIG. 6 is a front view of a connector with a safety function according to the present application.
  • the reference signs in the figure are: 1. Connector housing; 2. Terminal; 3. Cable; 4. First connecting piece; 5. Second connecting piece; 6. Screw; 7. Fixed reinforcement base; 701. Snap-on part; 702. Fixed slot; 8. Fuse.
  • the present application provides a connector with a safety function, including a connector housing 1, at least one terminal 2 at least partially disposed in the connector housing 1 and at least partially disposed in the connector housing. At least one cable 3 in the body 1, the terminal 2 and the cable 3 are electrically connected.
  • the connector housing 1 is provided with an insurance mechanism; the insurance mechanism includes a detachable current overload protection part and a first connection part 4 and a second connection part 5 that are electrically connected to both ends of the current overload protection part respectively; the first connection part 4 is electrically connected to at least one terminal 2 , and the second connector 5 is electrically connected to at least one cable 3 .
  • the present application discloses a connector capable of quickly replacing a fuse, which has the following important components: a connector housing 1 , a fuse mechanism, a terminal 2 , and a cable 3 .
  • the connector shell 1 has signal shielding and insulation functions, which effectively prevents signals from interfering with internal electrical components, and prevents fires when the connector is burned.
  • the insurance mechanism is installed inside the connector shell 1 , specifically including a fuse 8 that can be quickly detached and a first connector 4 and a second connector 5 for installing and fixing the fuse 8.
  • One end of the fuse 8 is installed on the second connector 5, and the second connector 5 is connected to the cable 3 , the other end of the fuse 8 is installed on the first connector 4, and the first connector 4 is connected to the terminal 2 to achieve electrical connection.
  • the fuse 8 burns out first, and the connector housing 1 is opened during maintenance. Just replace the fuse 8 on the cover to avoid damage to the connector or electric vehicle due to overcurrent.
  • connection method between the second connecting member 5 and the cable 3 is bolting, welding, riveting, crimping or splicing.
  • connection methods between the second connector 5 and the cable 3 are not limited to the above. Under normal circumstances, any of the above methods are acceptable. If the wires in the cable 3 are particularly thin, they are suitable for welding, crimping or splicing; the wires are thicker. Or it can be made of metal conductive materials such as copper busbars, aluminum busbars or even silver busbars.
  • the above connection methods are all optimal connection methods, but are not limited to the above ones.
  • terminal 2 and the first connecting member 4 are connected by bolt connection, welding, riveting, crimping or splicing.
  • connection methods between terminal 2 and first connector 4 are not limited to the above. Under normal circumstances, any of the above methods are acceptable. Terminal 2 and first connector 4 can be bolted to facilitate replacement. If the current overload is serious, If the terminal 2 or the first connecting piece 4 may be damaged, it can be fixed by bolting for easy replacement. Secondly, welding, riveting, crimping or splicing can achieve the fixing function, but the terminal 2 can also be connected with the first connecting piece 4.
  • the connecting piece 4 is formed in one piece and is Tests have proven that bolted connection is the optimal connection method, but the scope of protection of this application includes, but is not limited to, the above connection methods.
  • the current overload protection part is a fuse
  • the first connecting piece 4 and the second connecting piece 5 have slots
  • both ends of the fuse 8 are clamped with the slots.
  • the current overload protection part is a fuse and the connector is burned, disconnect the power supply, open the cover on the connector housing 1, and remove the fuse 8 stuck in the slot with a tool or manually for quick and easy replacement.
  • the function of the fuse 8 and the slot is to fix the fuse 8 and prevent the fuse 8 from falling off the first connecting member 4 and the second connecting member 5, affecting the use.
  • the current overload protection part is a fuse.
  • the first connector 4 and the second connector 5 are both provided with screw rods 6. Both ends of the fuse 8 are provided with through holes.
  • the screw rods 6 pass through the through holes and are detachably connected to the nuts. .
  • the current overload protection part is a fuse
  • the fuse 8 is gently placed on the screw rod 6 on the first connector 4 and the second connector 5, and then tightened with the nuts.
  • This fixing method is suitable for larger connectors.
  • the fuse 8 is a temperature fuse, a fast-blow fuse, a slow-blow fuse, a ceramic tube fuse or a glass tube fuse.
  • the above fuses 8 can be installed in the connector for use. Specifically, they are induction current circuit cutting devices, which cut off the circuit over current overload to avoid the occurrence of fire and danger.
  • the connector housing 1 further includes a fixed reinforced base 7 for fixing the fuse, and the fixed reinforced base 7 is located between the first connecting member 4 and the second connecting member 5 .
  • a fixed reinforcement base 7 is installed on the connector housing 1.
  • the fixed reinforcement base 7 is installed between the first connector 4 and the second connector 5 to prevent the fuse 8 from being Shaking during work can also play the role of anti-collision and shock absorption. When the connector collides with the outside, it can ensure that the fuse 8 will not be damaged due to vibration.
  • the fixed reinforcement base 7 and the connector housing 1 are clamped, bolted, spliced or integrally injection molded.
  • the fixed reinforcement base 7 is snap-connected to the connector housing 1 for easy disassembly and separation, or is directly integrated with the connector housing 1 for better stability, and the splicing also has the effect of quick disassembly.
  • the fixed reinforcement base 7 has a fixing groove 702 with an opening, and the fuse 8 is clamped in the opening.
  • the opening of the fixed reinforcement base 7 can be snap-fitted with the fuse 8, which can prevent the fuse 8 from shaking during operation, and can also play the role of anti-collision and shock absorption. When the connector collides with the outside, it can ensure that the fuse 8 will not be Vibration causes damage.
  • the fixed reinforcement base 7 has a fixing groove 702 with an opening and a snap portion 701 that closes the opening.
  • the fuse 8 is placed in the opening, and the snap portion 701 restricts the movement of the fuse 8 .
  • the fuse 8 is put into the fixing groove 702, and then closed through the snap-in part 701, so that the fuse 8 is stuck in the fixing groove 702, and then the snap-in part 701 is closed, and the other end of the snap-in part 701 is snap-fastened into the connector shell
  • the movement of the fuse 8 can be restricted, and it can also play the role of anti-collision and shock absorption.
  • the connector collides with the outside, it can ensure that the fuse 8 will not be damaged due to vibration.
  • the current overload protection part is an air switch, fuse, circuit breaker, relay or actuator.
  • the current overload protection part is not limited to fuses, and can also be replaced by air switches, fuses, circuit breakers, relays or actuators, etc., which can also protect electrical components when current overload occurs.
  • this application provides a connector with an insurance function, which has the following beneficial effects:
  • the detachable fuse 8 is in the connector, which is easy to disassemble and replace, saving time and reducing the need to disassemble important charging components, thereby improving the safety of the line;

Landscapes

  • Fuses (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

La présente invention concerne un connecteur qui a une fonction de fusible, se rapportant au domaine technique des connecteurs et résolvant le problème dans l'état de la technique de l'installation et du désassemblage d'un fusible qui est complexe. Le connecteur comprend un boîtier de connecteur, et au moins une borne et au moins un câble qui sont au moins partiellement agencés à l'intérieur du boîtier de connecteur, la borne et le câble étant électriquement connectés. Un mécanisme de fusible est disposé à l'intérieur du boîtier de connecteur. Le mécanisme de fusible comprend une unité de protection de surcharge de courant détachable et une première pièce de connexion et une seconde pièce de connexion qui sont électriquement connectées à deux extrémités de l'unité de protection de surcharge de courant, respectivement. La première pièce de connexion est électriquement connectée à l'au moins une borne, et la seconde pièce de connexion est connectée électriquement à l'au moins un câble. Le connecteur de la présente invention peut limiter le courant pour un connecteur haute tension de bloc-batterie, et lorsqu'un fusible est grillé, seul un simple remplacement de fusible est nécessaire, et le désassemblage d'un boîtier de distribution et d'un bloc-batterie n'est pas requis dans la plupart des cas.
PCT/CN2023/120475 2022-09-21 2023-09-21 Connecteur ayant une fonction de fusible WO2024061329A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202222502061.0 2022-09-21
CN202222502061.0U CN218677872U (zh) 2022-09-21 2022-09-21 一种具有保险功能的连接器

Publications (1)

Publication Number Publication Date
WO2024061329A1 true WO2024061329A1 (fr) 2024-03-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/120475 WO2024061329A1 (fr) 2022-09-21 2023-09-21 Connecteur ayant une fonction de fusible

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CN (1) CN218677872U (fr)
WO (1) WO2024061329A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN218677872U (zh) * 2022-09-21 2023-03-21 吉林省中赢高科技有限公司 一种具有保险功能的连接器

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0741948U (ja) * 1993-12-28 1995-07-21 エスエムケイ株式会社 ヒューズホルダー
KR19990036317U (ko) * 1998-02-19 1999-09-27 전준성 전기제품용 플러그
KR20050076188A (ko) * 2004-01-19 2005-07-26 우영식 표시등이 점등되는 산업용 멀티 플러그,
KR20140089943A (ko) * 2013-01-08 2014-07-16 주식회사 유라코퍼레이션 고전압 퓨즈와 퓨즈홀더의 연결구조
KR20160122603A (ko) * 2015-04-14 2016-10-24 한국단자공업 주식회사 퓨즈
CN109428241A (zh) * 2017-08-22 2019-03-05 现代自动车株式会社 高压连接器
CN218677872U (zh) * 2022-09-21 2023-03-21 吉林省中赢高科技有限公司 一种具有保险功能的连接器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0741948U (ja) * 1993-12-28 1995-07-21 エスエムケイ株式会社 ヒューズホルダー
KR19990036317U (ko) * 1998-02-19 1999-09-27 전준성 전기제품용 플러그
KR20050076188A (ko) * 2004-01-19 2005-07-26 우영식 표시등이 점등되는 산업용 멀티 플러그,
KR20140089943A (ko) * 2013-01-08 2014-07-16 주식회사 유라코퍼레이션 고전압 퓨즈와 퓨즈홀더의 연결구조
KR20160122603A (ko) * 2015-04-14 2016-10-24 한국단자공업 주식회사 퓨즈
CN109428241A (zh) * 2017-08-22 2019-03-05 现代自动车株式会社 高压连接器
CN218677872U (zh) * 2022-09-21 2023-03-21 吉林省中赢高科技有限公司 一种具有保险功能的连接器

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