A high-voltage wire harness connector for new energy vehicles

CN224908526UActive Publication Date: 2026-10-27JINZHOU HUAYU PRECISION ELECTRONIC EQUIPMENT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202522581453.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-04
Publication Date
2026-10-27
Estimated Expiration
2035-12-04

AI Technical Summary

Technical Problem

[0004]本实用新型的目的在于提供一种新能源汽车用高压线束连接器,以解决上述背景技术中提出的由于新能源汽车对高压连接器安全性的要求,公端接插件和母端接插件之间的拔插深度一般较深,用手直接实现公端接插件和母端接插件的拔插操作比较困难,而且很难将两者完全插紧,容易出现接触不良的问题

Benefits of technology

该一种新能源汽车用高压线束连接器,在进行日常使用的过程中,传输导体作为核心导电部件,负责在新能源汽车高压系统中传输高电压与大电流以给电池、电机等关键部件供电,其外层套接的屏蔽层能隔绝传输时产生的电磁干扰、避免影响周边电子元件并屏蔽外部干扰以保证电流传输稳定,屏蔽层外层的绝缘层可有效阻断电流外泄、防止漏电以保障用电安全,绝缘层外层的护套还能对内部结构进行物理防护、抵御灰尘、水汽和轻微碰撞来保护内部部件完好;传输导体一端贯穿并固定在固定板底部中心,固定板起到承载和定位作用以保持各部件稳定装配,其底部固定连接的对接管及底部中心的对接口用于与外部对应部件精准对接、确保电流传输通道顺畅衔接,顶面四周的四个螺孔可通过螺栓将整个连接器固定在汽车指定位置、防止车辆振动导致连接器移位或脱落,顶面靠近两边线的散热孔能及时散出连接器工作时产生的热量、避免高温加速部件老化以维持正常工作温度;固定板顶面中心的接触件是对接导电的关键部件,与外部对接件接触形成完整电流回路,其侧面中心的接触件凹槽用于容纳固定块,固定块通过顶面的两个螺丝与接触件固定、增强接触件结构稳定性以避免对接或振动时变形,接触件顶面中心的接触件槽口可辅助外部对接件定位插入、确保接触精准以减少接触电阻,内侧贯穿的对接管及内部的对接头能进一步强化与外部部件的对接紧密性、保障电流传输不中断;固定板两侧面的卡扣在连接器与外部部件对接时可实现快速卡紧固定、提升装配效率,接触件顶面活动连接的防护盖在连接器未对接或维护时能覆盖接触件及相关部件、防止灰尘、水汽进入或异物触碰导致损坏,防护盖顶面靠近下边线的把手则方便操作人员开启或关闭防护盖。此装置既能保障高电压大电流稳定安全传输,避免电磁干扰和漏电风险,又能通过稳固的装配结构和散热设计提升连接器运行可靠性与使用寿命,同时还能简化装配与维护流程,提升整体使用效率。

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224908526U_ABST
    Figure CN224908526U_ABST
Patent Text Reader

Abstract

The utility model discloses a new energy vehicle is with high -voltage wire harness connector, including transmission conductor, its characterized in that: the transmission conductor's outer layer is sleeved with shielding layer, the outer layer of shielding layer is sleeved with insulating layer, the outer layer of insulating layer is sleeved with the sheath, one end fixedly connected with fixed plate of transmission conductor, the bottom fixedly connected with the butt joint pipe of fixed plate, the bottom of butt joint pipe has opened the butt joint, the top surface of fixed plate has set up the screw hole, the top plate of fixed plate has set up the heat dissipation hole, the top surface fixedly connected with the contact piece of fixed plate, the side fixedly connected with buckle of contact piece. This device can guarantee high voltage and large current steady and safe transmission, avoid electromagnetic interference and risk of electric leakage, can also pass through the assembly structure of steady and reliable and the heat dissipation design and promote the connector operating reliability and service life, can also simplify the assembly and maintenance process simultaneously, promote overall use efficiency.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of connection technology, specifically a high-voltage wiring harness connector for new energy vehicles. Background Technology

[0002] With the increasing penetration rate of new energy vehicles, the new energy vehicle industry is developing rapidly. As a key component for high-voltage, high-current transmission between power batteries, motors, and electronic control systems, the market demand for high-voltage wiring harness connectors is also growing rapidly. In 2024, the market size of high-voltage connectors for electric vehicles in China reached 19.74 billion yuan, and the market size continues to expand.

[0003] Due to the safety requirements of high-voltage connectors in new energy vehicles, the insertion depth between male and female connectors is generally quite deep. It is difficult to insert and remove male and female connectors by hand, and it is also difficult to fully insert them, which can easily lead to poor contact. Utility Model Content

[0004] The purpose of this utility model is to provide a high-voltage wiring harness connector for new energy vehicles, in order to solve the problem mentioned in the background art that, due to the safety requirements of high-voltage connectors in new energy vehicles, the insertion depth between the male and female connectors is generally deep, making it difficult to directly insert and remove the male and female connectors by hand, and it is also difficult to fully insert them, which can easily lead to poor contact.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-voltage wiring harness connector for new energy vehicles, comprising a transmission conductor, characterized in that: a shielding layer is sleeved on the outer layer of the transmission conductor, an insulating layer is sleeved on the outer layer of the shielding layer, a sheath is sleeved on the outer layer of the insulating layer, a fixing plate is fixedly connected to one end of the transmission conductor, a connecting tube is fixedly connected to the bottom of the fixing plate, a connecting interface is provided at the bottom of the connecting tube, a screw hole is provided on the top surface of the fixing plate, a heat dissipation hole is provided on the top surface of the fixing plate, a contact is fixedly connected to the top surface of the fixing plate, a buckle is fixedly connected to the side of the contact, a contact groove is provided on the side of the contact, a fixing block is fixedly connected to the contact groove, a screw is fixedly connected to the top surface of the fixing block, a contact slot is provided on the top surface of the contact, a connecting tube is penetrating through the inner side of the contact, and a connecting joint is provided on the inner side of the connecting tube, a protective cover is movably connected to the top surface of the contact, and a handle is fixedly connected to the top surface of the protective cover.

[0006] Preferably, the transmission conductor is fixedly connected to the bottom center of the fixed plate, the outer layer of the transmission conductor is covered with a shielding layer, the outer layer of the shielding layer is covered with an insulating layer, the outer layer of the insulating layer is covered with a sheath, and the transmission conductor is connected through the fixed plate.

[0007] Preferably, the bottom of the fixing plate is connected to a connecting pipe, the bottom center of the connecting pipe has a connecting interface, and the top surface of the fixing plate has four screw holes near the corners.

[0008] Preferably, the top surface of the fixing plate has heat dissipation holes near the two side lines, a contact element is fixedly connected to the center of the top surface of the fixing plate, buckles are fixedly connected to the two sides of the fixing plate, and a contact element groove is formed at the center of the side of the contact element.

[0009] Preferably, a fixing block is fixedly connected to the center of the inner part of the contact groove, and two screws are fixedly connected to the top surface of the fixing block. A contact groove is opened at the center of the top surface of the contact.

[0010] Preferably, a connector is provided at the center of the connecting pipe, a protective cover is provided at the center of the top surface of the contact element, and a handle is fixedly connected to the top surface of the protective cover near the lower edge.

[0011] Compared with the prior art, the beneficial effects of this utility model are: This high-voltage wiring harness connector for new energy vehicles uses a transmission conductor as the core conductive component. During daily use, the conductor is responsible for transmitting high voltage and high current in the high-voltage system of the new energy vehicle to power key components such as the battery and motor. Its outer shielding layer isolates electromagnetic interference generated during transmission, preventing impact on surrounding electronic components and shielding against external interference to ensure stable current transmission. The insulation layer outside the shielding layer effectively blocks current leakage and ensures electrical safety. The outer sheath of the insulation layer also provides physical protection for the internal structure, resisting dust, moisture, and minor impacts to protect the internal components. One end of the transmission conductor passes through and is fixed to the center of the bottom of a mounting plate. The mounting plate serves as a load-bearing and positioning element to maintain stable assembly of various components. The bottom-fixed connecting pipe and the bottom center connector are used for precise docking with corresponding external components, ensuring smooth connection of the current transmission channel. Four screw holes around the top surface allow bolts to fix the entire connector to a designated position on the vehicle, preventing displacement or detachment due to vehicle vibration. The heat dissipation holes on the edge can dissipate the heat generated by the connector during operation in a timely manner, avoiding high temperature and accelerating component aging to maintain normal operating temperature; the contact at the center of the top surface of the fixing plate is a key component for conductive mating, forming a complete current loop with the external mating component; the contact groove at the center of its side is used to accommodate the fixing block, which is fixed to the contact by two screws on the top surface, enhancing the structural stability of the contact to prevent deformation during mating or vibration; the contact slot at the center of the top surface of the contact can assist in the positioning and insertion of the external mating component, ensuring accurate contact and reducing contact resistance; the through-hole mating tube and internal mating connector further enhance the tightness of mating with external components and ensure uninterrupted current transmission; the buckles on both sides of the fixing plate can quickly clamp and fix the connector when mating with external components, improving assembly efficiency; the protective cover that is movably connected to the top surface of the contact can cover the contact and related components when the connector is not mated or under maintenance, preventing dust, moisture, or foreign objects from entering and causing damage; the handle on the top surface of the protective cover near the lower edge makes it easy for operators to open or close the protective cover. This device can ensure stable and safe transmission of high voltage and high current, avoid electromagnetic interference and leakage risks, improve the reliability and service life of connectors through a robust assembly structure and heat dissipation design, and simplify assembly and maintenance processes to improve overall efficiency. Attached Figure Description

[0012] Figure 1 This is a structural diagram of the internal structure of the contact element of this utility model; Figure 2 This is a side view of the present invention; Figure 3 This is a three-dimensional installation diagram of the present invention; Figure 4 This is a three-dimensional bottom view of the present invention.

[0013] In the diagram: 1. Transmission conductor; 2. Shielding layer; 3. Insulation layer; 4. Sheath; 5. Fixing plate; 6. Connecting pipe; 7. Connecting interface; 8. Screw hole; 9. Heat dissipation hole; 10. Contact element; 11. Clip; 12. Contact element groove; 13. Fixing block; 14. Screw; 15. Contact element slot; 16. Connecting joint; 17. Protective cover; 18. Handle. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0015] like Figure 1-4 As shown, this utility model provides a technical solution: a high-voltage wiring harness connector for new energy vehicles, including a transmission conductor 1, a shielding layer 2 sleeved on the outer layer of the transmission conductor 1, an insulating layer 3 sleeved on the outer layer of the shielding layer 2, a sheath 4 sleeved on the outer layer of the insulating layer 3, a fixing plate 5 fixedly connected to one end of the transmission conductor 1, the transmission conductor 1 fixedly connected to the bottom center position of the fixing plate 5, the shielding layer 2 sleeved on the outer layer of the transmission conductor 1, the insulating layer 3 sleeved on the outer layer of the shielding layer 2, the sheath 4 sleeved on the outer layer of the insulating layer 3, the transmission conductor 1 penetratingly connected to the fixing plate 5, and a connecting pipe 6 fixedly connected to the bottom of the fixing plate 5.

[0016] Shielding layers can reduce electromagnetic interference generated by components such as motors and batteries. Example 2

[0017] like Figure 1-4As shown, this utility model provides a technical solution: a high-voltage wiring harness connector for new energy vehicles, including a transmission conductor 1, a shielding layer 2 sleeved on the outer layer of the transmission conductor 1, an insulating layer 3 sleeved on the outer layer of the shielding layer 2, a sheath 4 sleeved on the outer layer of the insulating layer 3, a fixing plate 5 fixedly connected to one end of the transmission conductor 1, the transmission conductor 1 fixedly connected to the bottom center position of the fixing plate 5, the shielding layer 2 sleeved on the outer layer of the transmission conductor 1, the insulating layer 3 sleeved on the outer layer of the shielding layer 2, and the sheath 4 sleeved on the outer layer of the insulating layer 3, the transmission conductor 1 passing through and connected to the fixing plate 5, a connecting pipe 6 fixedly connected to the bottom of the fixing plate 5, a connecting interface 7 opened at the bottom of the connecting pipe 6, and the top of the fixing plate 5... The top surface of the fixing plate 5 has screw holes 8. The bottom of the fixing plate 5 is connected to the connecting pipe 6. The bottom center of the connecting pipe 6 has a connecting interface 7. The top surface of the fixing plate 5 has four screw holes 8 near the corners. The top plate of the fixing plate 5 has heat dissipation holes 9. The top surface of the fixing plate 5 is fixedly connected to the contact member 10. The side of the contact member 10 is fixedly connected to the buckle 11. The side of the contact member 10 has a contact member groove 12. The top surface of the fixing plate 5 has heat dissipation holes 9 near the two side lines. The top surface of the fixing plate 5 is fixedly connected to the center of the fixing plate 5. The two sides of the fixing plate 5 are fixedly connected to the buckle 11. The side center of the contact member 10 has a contact member groove 12.

[0018] The structural design of the fixing plate, connecting pipe and buckle ensures precise positioning and firm connection of the connector during assembly, preventing it from falling off due to vibration during vehicle operation and improving connection reliability. Example 3

[0019] like Figure 1-4As shown, this utility model provides a technical solution: a high-voltage wiring harness connector for new energy vehicles, including a transmission conductor 1, a shielding layer 2 sleeved on the outer layer of the transmission conductor 1, an insulating layer 3 sleeved on the outer layer of the shielding layer 2, a sheath 4 sleeved on the outer layer of the insulating layer 3, a fixing plate 5 fixedly connected to one end of the transmission conductor 1, the transmission conductor 1 fixedly connected to the bottom center position of the fixing plate 5, the shielding layer 2 sleeved on the outer layer of the transmission conductor 1, the insulating layer 3 sleeved on the outer layer of the shielding layer 2, and the sheath 4 sleeved on the outer layer of the insulating layer 3, the transmission conductor 1 penetrating through... The mounting plate 5 is attached to the bottom of the mounting plate 5. A connecting pipe 6 is fixedly connected to the bottom of the connecting pipe 6, and a connecting interface 7 is provided at the bottom of the connecting pipe 6. A screw hole 8 is provided on the top surface of the mounting plate 5. The connecting pipe 6 is connected through the bottom of the mounting plate 5, and a connecting interface 7 is provided at the center of the bottom of the connecting pipe 6. Four screw holes 8 are provided near the corners of the top surface of the mounting plate 5. Heat dissipation holes 9 are provided on the top surface of the mounting plate 5. A contact element 10 is fixedly connected to the top surface of the mounting plate 5. A clip 11 is fixedly connected to the side of the contact element 10, and a contact element is provided on the side of the contact element 10. The top surface of the fixing plate 5 near the two side lines has heat dissipation holes 9. A contact 10 is fixedly connected to the center of the top surface of the fixing plate 5. Buckles 11 are fixedly connected to both sides of the fixing plate 5. A contact groove 12 is formed at the center of the side of the contact 10. A fixing block 13 is fixedly connected to the contact groove 12. A screw 14 is fixedly connected to the top surface of the fixing block 13. A contact slot 15 is formed on the top surface of the contact 10. A fixing block 13 is fixedly connected to the center of the inside of the contact groove 12. The number of screws 14 is... Two screws 14 are fixedly connected to the top surface of the fixing block 13. A contact slot 15 is provided at the center of the top surface of the contact 10. A connecting pipe 6 is connected through the inner side of the contact 10, and a connector 16 is provided on the inner side of the connecting pipe 6. A protective cover 17 is movably connected to the top surface of the contact 10. A handle 18 is fixedly connected to the top surface of the protective cover 17. A connector is provided at the center of the connecting pipe 6. A protective cover 17 is provided at the center of the top surface of the contact 10. A handle 18 is fixedly connected to the top surface of the protective cover 17 near the lower edge.

[0020] With clearly defined screw holes, mating interfaces, and operable handles, the system allows for more accurate positioning during assembly and easier disassembly and assembly during maintenance, effectively improving production and repair efficiency.

[0021] Working Principle: The transmission conductor 1, as the core conductive component, is responsible for transmitting high voltage and large current in the high-voltage system of new energy vehicles to power key components such as batteries and motors. Its outer shielding layer 2 isolates electromagnetic interference generated during transmission, preventing impact on surrounding electronic components and shielding against external interference to ensure stable current transmission. The insulation layer 3 outside the shielding layer 2 effectively blocks current leakage and prevents electrical leakage to ensure electrical safety. The outer sheath 4 of the insulation layer 3 also provides physical protection for the internal structure, resisting dust, moisture, and minor impacts to protect the internal components. One end of the transmission conductor 1 passes through and is fixed to the bottom center of the fixing plate 5. The fixing plate 5 serves as a load-bearing and positioning element to maintain stable assembly of various components. The bottom-fixed connecting pipe 6 and the bottom center connecting interface 7 are used for precise docking with corresponding external components to ensure smooth connection of the current transmission channel. The four screw holes 8 around the top surface can be bolted to fix the entire connector to a designated position on the vehicle, preventing vehicle vibration from causing the connector to shift or fall off. The heat dissipation holes 9 near the two sides of the top surface... The mounting plate 5 can effectively dissipate the heat generated during connector operation, preventing high temperatures from accelerating component aging and maintaining normal operating temperature. The contact 10 at the center of the top surface of the mounting plate 5 is a key component for conductive mating, forming a complete current loop with the external mating component. The contact groove 12 at the center of its side surface accommodates the fixing block 13, which is fixed to the contact 10 by two screws 14 on the top surface, enhancing the structural stability of the contact 10 and preventing deformation during mating or vibration. The contact slot 15 at the center of the top surface of the contact 10 assists in positioning and inserting the external mating component, ensuring accurate contact and reducing contact resistance. The through-hole mating tube 6 and the internal mating connector 16 further strengthen the tightness of mating with external components, ensuring uninterrupted current transmission. The latches 11 on both sides of the mounting plate 5 enable quick clamping and fixing when the connector is mated with external components, improving assembly efficiency. The protective cover 17, which is movable on the top surface of the contact 10, covers the contact 10 and related components when the connector is not mated or under maintenance, preventing dust, moisture, or foreign objects from entering and causing damage. The handle 18 on the top surface near the bottom edge makes it easy for operators to open or close the protective cover 17.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-voltage wiring harness connector for new energy vehicles, comprising a transmission conductor (1), characterized in that: The outer layer of the transmission conductor (1) is fitted with a shielding layer (2), the outer layer of the shielding layer (2) is fitted with an insulating layer (3), the outer layer of the insulating layer (3) is fitted with a sheath (4), one end of the transmission conductor (1) is fixedly connected to a fixing plate (5), the bottom of the fixing plate (5) is fixedly connected to a connecting pipe (6), the bottom of the connecting pipe (6) is provided with a connecting interface (7), the top surface of the fixing plate (5) is provided with a screw hole (8), the top plate of the fixing plate (5) is provided with a heat dissipation hole (9), the top surface of the fixing plate (5) is fixedly connected to a contact (10), the contact (10) is fixedly connected to the top surface of the fixing plate (5). A buckle (11) is fixedly connected to the side of the contact (10). A contact groove (12) is provided on the side of the contact (10). A fixing block (13) is fixedly connected in the contact groove (12). A screw (14) is fixedly connected to the top surface of the fixing block (13). A contact slot (15) is provided on the top surface of the contact (10). A connecting pipe (6) is connected through the inner side of the contact (10). A connector (16) is provided on the inner side of the connecting pipe (6). A protective cover (17) is movably connected to the top surface of the contact (10). A handle (18) is fixedly connected to the top surface of the protective cover (17).

2. The high-voltage wiring harness connector for new energy vehicles according to claim 1, characterized in that: The transmission conductor (1) is fixedly connected to the bottom center of the fixed plate (5). The outer layer of the transmission conductor (1) is covered with a shielding layer (2), the outer layer of the shielding layer (2) is covered with an insulating layer (3), the outer layer of the insulating layer (3) is covered with a sheath (4), and the transmission conductor (1) is connected through the fixed plate (5).

3. A high-voltage wiring harness connector for new energy vehicles according to claim 1, characterized in that: The bottom of the fixing plate (5) is connected to the connecting pipe (6), and the center of the bottom of the connecting pipe (6) is provided with a connecting interface (7). Four screw holes (8) are provided on the top surface of the fixing plate (5) near the corners.

4. A high-voltage wiring harness connector for new energy vehicles according to claim 1, characterized in that: The top surface of the fixing plate (5) is provided with heat dissipation holes (9) near the two side lines. A contact (10) is fixedly connected to the center of the top surface of the fixing plate (5). Buckles (11) are fixedly connected to the two sides of the fixing plate (5). A contact groove (12) is provided at the center of the side of the contact (10).

5. A high-voltage wiring harness connector for new energy vehicles according to claim 1, characterized in that: A fixing block (13) is fixedly connected to the center of the inner part of the contact groove (12). There are two screws (14), and the screws (14) are fixedly connected to the top surface of the fixing block (13). A contact slot (15) is opened at the center of the top surface of the contact (10).

6. A high-voltage wiring harness connector for new energy vehicles according to claim 1, characterized in that: The center of the connecting pipe (6) is provided with a connecting head, and the center of the top surface of the contact element (10) is provided with a protective cover (17). A handle (18) is fixedly connected to the top surface of the protective cover (17) near the lower edge.