WO2023213249A1 - Structure de mise à la terre d'interface de charge et véhicule - Google Patents

Structure de mise à la terre d'interface de charge et véhicule Download PDF

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Publication number
WO2023213249A1
WO2023213249A1 PCT/CN2023/091774 CN2023091774W WO2023213249A1 WO 2023213249 A1 WO2023213249 A1 WO 2023213249A1 CN 2023091774 W CN2023091774 W CN 2023091774W WO 2023213249 A1 WO2023213249 A1 WO 2023213249A1
Authority
WO
WIPO (PCT)
Prior art keywords
charging interface
electrical connection
connection device
grounding
structure according
Prior art date
Application number
PCT/CN2023/091774
Other languages
English (en)
Chinese (zh)
Inventor
王超
Original Assignee
长春捷翼汽车科技股份有限公司
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 长春捷翼汽车科技股份有限公司 filed Critical 长春捷翼汽车科技股份有限公司
Publication of WO2023213249A1 publication Critical patent/WO2023213249A1/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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth pin, blade 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • 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
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/642—Means for preventing incorrect coupling by position or shape of contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the present application belongs to the field of new energy vehicle circuit technology, and more specifically, relates to a charging interface grounding structure and a vehicle.
  • the copper wire needs to have passed through the charging interface shell and the terminal is crimped with the charging interface shell. After the copper wire is passed through, the charging interface shell needs to add a sealing ring and a sealing ring buckle cover.
  • the structure is complex, installation and processing are time-consuming and laborious, and connection errors are prone to occur, causing short circuit damage to the body lines, and even equipment leakage, leading to the risk of electric shock and casualties. . Therefore, a new solution is urgently needed in the existing technology to solve the above problems.
  • This application aims at solving the problems of the prior art by providing a charging interface grounding structure and a vehicle, which can conveniently ground the charging interface and are safe and reliable.
  • the embodiment of the first aspect of the present application provides a charging interface grounding structure, including: a charging interface body, an electrical connection device and a grounding device.
  • a grounding terminal is provided in the charging interface body, and the grounding device is connected to the charging system or vehicle system.
  • the ground terminal is electrically connected, the first end of the electrical connection device is electrically connected to the ground terminal, and the second end of the electrical connection device is electrically connected to the ground device.
  • a second embodiment of the present application provides a vehicle, including a vehicle ground terminal and a charging interface grounding structure as described above, the charging interface body is fixed on the vehicle through the fixing frame, and the grounding device electrically connected to the vehicle ground.
  • the electrical connection device can reduce the diameter of the cable, reduce the weight of the cable, make the cable installation convenient, and reduce friction with the car shell.
  • the snap-on claw can conveniently and quickly fix the electrical connection device in the installation slot. After being fixed, the electrical connection device will not protrude from the surface of the charging interface body, which can prevent the electrical connection device from affecting the installation of other equipment in the car.
  • the insert can be designed to have a structure that matches the shape of the electrical connection device to prevent the ground terminal from being firmly connected to the electrical connection device due to its shape.
  • the electrical connection device is integrally injection molded into the charging interface body, which not only eliminates the need for a sealing structure, but also provides better waterproof and dustproof effects.
  • the ground terminal can be electrically connected to the electrical connection device by adjusting the angle of the transition connector or selecting different lengths.
  • Figure 1 is a schematic structural diagram of a charging interface grounding structure according to an embodiment of the present application.
  • Figure 2 is a schematic diagram of an electrical connection device of a charging interface grounding structure according to an embodiment of the present application.
  • Figure 3 is a schematic diagram of bolts of a charging interface grounding structure according to an embodiment of the present application.
  • FIG. 4 is an embedded schematic diagram of a charging interface grounding structure according to an embodiment of the present application.
  • Figure 5 is a schematic diagram of the charging core of a charging interface grounding structure according to an embodiment of the present application.
  • Figure 6 is a schematic diagram of a transition connector of a charging interface grounding structure according to an embodiment of the present application.
  • any specific values are to be construed as illustrative only and not as limiting. Accordingly, other examples of the exemplary embodiments may have different values.
  • the embodiment of the first aspect of the present application provides a charging interface grounding structure, as shown in Figures 1 and 2, including: a charging interface body 1, an electrical connection device 3 and a grounding device 4, and a grounding terminal 2 is provided in the charging interface body 1 , the grounding device 4 is electrically connected to the grounding terminal of the charging system or the vehicle system, the first end 31 of the electrical connection device 3 is electrically connected to the grounding terminal 2, and the second end 32 of the electrical connection device 3 is electrically connected to the grounding device 4.
  • the charging interfaces of current electric vehicles have grounding lines to protect equipment and people in the event of leakage.
  • the ground terminal 2, the electrical connection device 3 and the grounding device 4 form a grounding system.
  • the electrical connection device 3 serves as a ground transmission carrier, which can reduce the diameter of the cable, reduce the weight of the cable, and make the cable installation convenient. Reduce friction with the car shell.
  • the electrical connection device 3 connects the ground terminal 2 and the ground device 4 together, and then connects to the body sheet metal nailing position to achieve grounding for charging.
  • This application does not require the crimping of ground terminals, which solves the time-consuming and labor-intensive problem of connecting wires and terminals. There is no need to nail the ground wire separately; there are no connecting wires, which saves installation time, improves work efficiency, and reduces the number of parts;
  • the electrical connection device 3 is at least partially disposed in the charging interface body 1 .
  • the electrical connection device 3 extends into the charging interface body 1 and is connected to the grounding terminal 2 in the charging interface body 1 . In this way, there is no need to lead the cable to the outside of the charging interface body 1 and then connect it to the ground terminal. Instead, it is directly connected to the ground terminal at a fixed position of the charging interface body 1, saving cables, reducing installation parts and steps, reducing installation man-hours, and saving money. The cost of the charging interface grounding structure.
  • the first end 31 of the electrical connection device 3 is connected to the ground terminal 2 by crimping or welding or riveting or screwing or plugging.
  • the welding method may be, for example, one or more of resistance welding, friction welding, ultrasonic welding, arc welding, laser welding, electron beam welding, pressure diffusion welding, and magnetic induction welding.
  • the principle of resistance welding is to use a strong current to pass through an electrode and at least two workpieces to generate resistance heat between the workpieces, thereby achieving welding between the workpieces based on this resistance heat.
  • the principle of friction welding is to use the heat generated by the friction of the contact surfaces between workpieces as a heat source to cause plastic deformation of the workpieces under pressure for welding.
  • the principle of ultrasonic welding is to use high-frequency vibration waves to transmit to the surfaces of two objects that need to be welded. Under pressure, the surfaces of the two objects rub against each other, thereby forming fusion between the molecular layers to bond the two objects. Objects are welded.
  • the principle of the arc welding method refers to using the arc as a heat source and utilizing the physical phenomenon of air discharge to convert electrical energy into the thermal energy and mechanical energy required for welding, thereby achieving the purpose of joining metals.
  • the main methods can be, for example, electrode arc welding or submerged arc welding. Welding and gas shielded welding, etc.
  • Laser welding is an efficient and precise welding method that uses high-energy-density laser beams as heat sources.
  • the principle of electron beam welding is to use accelerated and focused electron beams to bombard the welding surface placed in a vacuum or non-vacuum, so that the workpiece to be welded melts to achieve welding.
  • the principle of pressure welding is to apply pressure to the weldment so that the joint surfaces are in close contact to produce a certain amount of plastic deformation to complete the welding.
  • Magnetic induction welding is a type of solid-state cold welding that can weld conductive metals with similar or dissimilar properties together.
  • the crimping method is a production process in which after assembling the first end 31 of the electrical connection device 3 and the ground terminal 2, a crimping machine is used to stamp the two into one body.
  • the advantage of crimping is mass production. By using an automatic crimping machine, products of stable quality can be manufactured quickly and in large quantities.
  • Riveting is a detachable connection that uses rivets to connect the connected parts into one body.
  • the screw connection method refers to a threaded connection, specifically a detachable connection that uses threaded parts (or the threaded part of the connected part) to connect the connected parts into one body. Riveting is a detachable connection that uses rivets to connect the connected parts into one body.
  • the contact surfaces of the two parts to be connected are equipped with pins and sockets, and are assembled together through the pins and sockets.
  • the electrical connection device 3 and the ground terminal 2 are detachably connected through a threaded structure.
  • the threaded connection is used for easy disassembly, and when the ground terminal 2 needs to be replaced, the ground terminal 2 and the electrical connection device 3 can be directly separated, saving time and effort.
  • the detachable connection includes bolts 21.
  • the first end 31 of the electrical connection device 3 is provided with a through hole, and the end surface of the ground terminal 2 is provided with a first threaded hole.
  • the bolt passes through the through hole and Threaded connection with the first threaded hole.
  • the bolt 21 passes through the through hole and is screwed into the first threaded hole, thereby completing the assembly of the ground terminal 2 and the electrical connection device 3 .
  • one end of the ground terminal 2 is provided with a stud
  • the first end 31 of the electrical connection device 3 is provided with a stud.
  • the second threaded hole, the stud is threadedly connected to the second threaded hole.
  • the assembly of the ground terminal 2 and the electrical connection device 3 is completed by screwing the stud with the second threaded hole.
  • one end of the grounding terminal 2 is provided with a stud, and the first end 31 of the electrical connection device 3 is provided with an insert 311 , as shown in FIG. 4 .
  • a third threaded hole is provided in the insert 311, and the stud is threadedly connected to the third threaded hole.
  • the insert 311 can be connected to the electrical connection device 3 by welding, or can be connected by detachable connection. In this embodiment, since the insert 311 can be designed to match the shape of the electrical connection device 3 , the ground terminal 2 can be prevented from being firmly connected to the electrical connection device 3 due to its shape.
  • the second end 32 of the electrical connection device 3 and the grounding device 4 are of an integrated structure, and the grounding device 4 is provided with a grounding through hole or a grounding point.
  • the one-piece structure eliminates the need for additional installation links, and the grounding can be completed by simply connecting the grounding device 4 to the body sheet metal through the grounding through hole or grounding point.
  • the through hole or grounding point can be quickly and easily connected to the sheet metal of the car body for grounding.
  • the through hole can be designed to be screwed or riveted, for example, through a bolt or rivet; the grounding point can be, for example, a welding point or a crimping point. or plug-in structure.
  • the second end 32 of the electrical connection device 3 and the grounding device 4 are crimped, welded, riveted, screwed or plugged in, and the grounding device 4 is a stud structure or a nut structure.
  • the specific connection method is as mentioned above.
  • the grounding device 4 is a stud or nut that can be easily screwed to the nut or stud on the body sheet metal.
  • the charging interface body 1 is provided with an installation groove, and the installation groove is provided with at least one latch claw, and at least part of the electrical connection device 3 is clamped in the installation groove by the latch claw.
  • the latch claws can conveniently and quickly fix the electrical connection device 3 in the installation slot. After being fixed, the electrical connection device 3 will not protrude from the surface of the charging interface body 1, which can prevent the electrical connection device 3 from affecting the installation of other equipment in the car.
  • the charging interface body 1 is provided with an installation groove, and the installation groove is provided with at least one latch claw, and at least part of the electrical connection device 3 and the grounding device 4 is locked in the installation groove by the latch claw. After being fixed, the electrical connection device 3 and the grounding device 4 will not protrude from the surface of the charging interface body 1, thereby reducing the occupied space and not hindering the arrangement of other devices.
  • At least part of the electrical connection device 3 is integrally injection molded into the charging interface body 1 . Since the connection between the electrical connection device 3 and the charging interface body 1 needs to be provided with a sealing structure, if the electrical connection device 3 is integrally injection molded into the charging interface body 1, not only will the sealing structure be omitted, but it will also be better waterproof and dustproof. Effect.
  • At least part of the electrical connection device 3 and at least part of the grounding device 4 are integrally injection molded into the charging interface body 1 . This not only saves the sealing of the grounding device 4, but also saves the installation process of the electrical connection device 3 and the grounding device 4, saves installation man-hours, and can also provide overall protection for the electrical connection device 3 and the grounding device 4 to avoid electrical connection. Device 3 and grounding device 4 are damaged, extending the service life of the charging interface grounding structure.
  • the electrical connection device 3 is made of rigid material, and the material of the electrical connection device contains copper or aluminum. That is, the electrical connection device 3 is composed of a solid wire.
  • the specific material can be copper or copper alloy, aluminum or aluminum alloy with excellent electrical conductivity. It can be fixed on the car and will not vibrate with the car shell or the charging interface body 1 friction, extending service life and reducing the incidence of accidents. Copper has good electrical conductivity, thermal conductivity, and plasticity and is widely used. However, copper resources are in short supply and copper costs are high. For this reason, people began to look for alternatives to copper to reduce costs. The price of aluminum is relatively low, and it also has excellent electrical conductivity, thermal conductivity and plastic workability. Therefore, replacing copper with aluminum is the main development trend at present.
  • the electrical connection device 3 made of aluminum material is cheap and light in weight and can fully meet the demand.
  • the ground terminal 2 is made of copper with better performance and more expensive price.
  • the electrical connection device 3 frame is made of conductive plastic material and is disposed on the charging interface body 1 through extrusion, injection molding, dip molding, blow molding, foaming, or 3D printing.
  • the conductive plastic material is lighter and can reduce the weight of the entire vehicle, and the electrical connection device 3 can be integrally formed with the charging interface body 1, saving the installation process of the electrical connection device 3 and the grounding device 4, saving installation man-hours, and also allowing for The electrical connection device 3 and the grounding device 4 are integrally protected to prevent the electrical connection device 3 and the grounding device 4 from being damaged and extend the service life of the charging interface grounding structure.
  • the electrical connection device 3 is integrally injection molded into the charging interface body 1, which not only eliminates the need for a sealing structure, but also provides better waterproof and dustproof effects.
  • Extrusion is a pressure processing method that uses a punch or punch to pressurize the blank placed in the concave mold to cause plastic flow, thereby obtaining a part corresponding to the shape of the mold hole or concave and convex mold.
  • Injection molding process refers to the process of making semi-finished parts of a certain shape from molten raw materials through operations such as pressurization, injection, cooling, and separation.
  • the plastic dipping process refers to a process in which the workpiece is electrically heated to reach a certain temperature, immersed in the plastic dipping liquid, and allowed to solidify on the workpiece.
  • the blow molding process is to use an extruder to extrude a tubular parison, put it into a mold while it is hot, and blow it with compressed air to achieve the shape of the mold cavity. After cooling and shaping, the product is obtained.
  • the advantages of this process are: it is suitable for a variety of plastics, can produce large-scale products, has high production efficiency, more uniform parison temperature and less equipment investment.
  • the foaming process refers to the formation of a honeycomb or porous structure through the addition and reaction of physical foaming agents or chemical foaming agents in the foaming molding process or foamed polymer materials.
  • the basic steps of foam molding are the formation of bubble cores, the growth or expansion of bubble cores, and the stabilization of bubble cores. Under given temperature and pressure conditions, the solubility of the gas decreases until it reaches a saturated state, allowing excess gas to be eliminated and bubbles formed, thereby achieving nucleation.
  • the 3D printing process is a type of rapid prototyping technology, also known as additive manufacturing. It is a technology that uses adhesive materials such as powdered metal or plastic to construct objects through layer-by-layer printing based on digital model files. .
  • At least part of the electrical connection device 3 is made of flexible material.
  • the flexible material can ensure that the electrical connection device 3 can make a larger bending angle to facilitate installation in a relatively large corner area.
  • the flexible material is a multi-core cable or a braided cable or a flexible cable stacked with multiple layers of sheets.
  • Multi-core cables and braided cables are flexible, easy to bend and have excellent electrical conductivity.
  • the texture of the soft row stacked with thin plates is soft and easy to deform, and it is also suitable for flexible materials.
  • the electrical connection device 3 has at least one bend.
  • the bending portion is used to meet the need for the electrical connection device 3 to be installed on the vehicle body.
  • the number of the bending portions can be set according to the specific assembly environment. For example, the number can be 1, 2, 3, 4 or more.
  • the electrical connection device 3 when the electrical connection device 3 is installed in the charging stand body 1 , the electrical connection device 3 can be made to avoid part of the structure in the charging stand body 1 , or the electrical connection device 3 can be arranged based on the shape of the charging stand body 1 .
  • the ground terminal 2 and the electrical connection device 3 have different cross-sectional areas.
  • the specifications of the ground terminal 2 must meet the existing standards of the charging base. Since it needs to be plugged and unplugged from the opposite plug terminal, the contact area is relatively small, the contact resistance is large, and the heat generated by the terminal is large. Therefore, the cross-sectional area of the ground terminal 2 The requirements are relatively large to meet the heat dissipation requirements.
  • the electrical connection device 3 only conducts ground current and has a large contact area with the ground terminal 2 and the grounding device 4. Therefore, the cross-sectional area of the electrical connection device 3 only needs to meet the usage requirements. Therefore, when the inventor selects the cross-sectional area of the ground terminal 2 and the electrical connection device 3, the cross-sectional area of the ground terminal 2 will be larger than the cross-sectional area of the electrical connection device 3.
  • the ground terminal 2 and the electrical connection device 3 have different cross-sectional shapes.
  • the ground terminal 2 needs to be connected to the opposite plug-in terminal by plugging and unplugging, so it is generally a cylindrical or socket-shaped terminal structure.
  • the electrical connection device 3 only conducts the ground current, so it can be based on the layout of the charging base body 1. Take a circular or polygonal or rectangular cross-sectional shape.
  • the ground terminal 2 and the electrical connection device 3 are made of different materials. Since the ground terminal 2 needs to be connected in plug-in and pull-out contact with the counter terminal, the contact resistance must be as small as possible. Therefore, the ground terminal 2 is often made of relatively expensive copper or copper alloy to ensure the corrosion resistance and conductivity of the contact surface.
  • the electrical connection device 3 uses a relatively large amount and does not require high conductivity. Therefore, if the demand is met, the material of the electrical connection device 3 can be different from that of the ground terminal 2, and can be made of lower-priced aluminum or aluminum alloy. , saving the cost of the electrical connection device 3.
  • the ground terminal 2 and the electrical connection device 3 have different metal crystal structures. Since the ground terminal 2 needs to be connected with the mating terminal by plugging and unplugging, the grounding terminal 2 needs to have a certain degree of elasticity so that it can maintain a large gripping force after being plugged and unplugged from the mating terminal many times to ensure that the grounding terminal 2 The actual contact area with the mating terminal reduces the contact resistance. Therefore, in addition to using copper material with high elasticity as the raw material, the ground terminal 2 will also use hot forging and machining to process the ground terminal 2 so that the metal of the ground terminal 2 The crystal structure is compact, reducing internal stress and ensuring the elasticity of the ground terminal 2 raw material.
  • the electrical connection device 3 is only fixed inside the charging base body 1 to conduct electricity. It does not require good mechanical properties and does not have high requirements on material and processing. Therefore, it is generally cut and stamped from rolled plates.
  • the electrical connection device 3 The metal crystal structure is relatively loose and the internal stress will be relatively large. Therefore, due to different functional requirements, different structures can be selected for the internal metal crystal structures of the ground terminal 2 and the electrical connection device 3 to reduce the material cost, optimize the processing technology, and reduce the cost of the charging stand.
  • the electrical connection device 3 includes at least two differently shaped cross-sections.
  • the cross-section of the electrical connection device 3 is set in various shapes, which can be used in different installation environments and can better match the electrical connection device 3 with the vehicle body.
  • the cross-sectional shape of the electrical connection device 3 may be circular, oval, rectangular, polygonal, A-shaped, B-shaped, D-shaped, M-shaped, N-shaped, O-shaped, S-shaped, E-shaped, F-shaped
  • A-shaped, B-shaped, D-shaped, M-shaped, N-shaped, O-shaped, S-shaped, E-shaped, F-shaped One or more of the following shapes: H-shaped, K-shaped, L-shaped, T-shaped, P-shaped, U-shaped, V-shaped, W-shaped, X-shaped, Y-shaped, Z-shaped, semi-arc, arc, and wavy kind.
  • electrical connection devices 3 with different cross-sections can be used as needed.
  • the cross-sectional shape of the electrical connection device 3 is a polygon, and the corners of the polygon are all rounded or chamfered.
  • the edges and corners can be rounded or chamfered to prevent the sharp parts from causing damage to the insulation layer.
  • the electrical connection device 3 is coated with an insulating layer.
  • the function of the insulating layer is to insulate the contact between the electrical connection device 3 and the conductive material on the vehicle body, so as to avoid short circuit caused by the contact between the two.
  • the material of the insulating layer may include, for example, polyvinyl chloride, polyethylene, polyamide, polytetrafluoroethylene, tetrafluoroethylene/hexafluoropropylene copolymer, ethylene/tetrafluoroethylene copolymer, polypropylene, Polyvinylidene fluoride, polyurethane, polyterephthalic acid, polyurethane elastomer, styrene block copolymer, perfluoroalkoxyalkane, chlorinated polyethylene, polyphenylene sulfide, polystyrene, cross-linked polyethylene Olefin, ethylene-propylene rubber, ethylene/vinyl acetate copolymer, natural rubber, styrene-butadiene rubber, nitrile rubber, silicone rubber, butadiene rubber, isoprene rubber, ethylene-propylene rubber, chloroprene rubber, butyl rubber, fluorine
  • the charging interface body 1 includes a charging core 11 and a fixing frame 12 for fixing the charging core.
  • the ground terminal 2 is provided in the charging core 11.
  • the side wall of the charging core 11 is provided with a mounting hole.
  • the first end 31 of the connecting device 3 passes through the mounting hole and is electrically connected to the ground terminal 2 .
  • the electrical connection device 3 is connected to the ground terminal 2 through the installation hole, which can reduce the length of the electrical connection device 3 and reduce the weight of the entire vehicle.
  • the electrical connection device 3 further includes a transition connector 5. As shown in FIG. 6, one end of the transition connector 5 is connected to the electrical connection device 3, and the other end passes through the installation hole and is electrically connected to the ground terminal 2.
  • the ground terminal can be electrically connected to the 2 electrical connection devices 3 by adjusting the angle of the transition connector 5 or selecting different lengths. Many times, the structure inside the charging base is complex, with many lines, and the ground terminal 2 is set in various parts, making it difficult to directly connect to the electrical connection device 3.
  • the specific shape and size of the transition connector 5 can be designed according to the actual assembly environment in the charging base, so that one end of the transition connector 5 is connected to the ground terminal 2 and the other end is connected to the electrical connection device. 3 connections.
  • the installation steps can be reduced, man-hours can be saved, maintenance can be facilitated, and the installation speed can be increased.
  • a sealing member 6 is sleeved on the first end 31 of the electrical connection device 3 or the transition connector 5. As shown in FIG. 5, the sealing member 6 is connected with the mounting hole with an interference fit. By providing the seal 6, water or dust can be prevented from entering the charging core through the mounting hole.
  • the second embodiment of the present application also provides a vehicle, including a vehicle grounding terminal and a charging interface grounding structure as above.
  • the charging interface body 1 is fixed on the vehicle shell through a fixing frame 12, and the grounding device 4 is connected to the vehicle grounding terminal. Electrical connection.
  • the fixing bracket 12 makes the setting of the charging socket interface body 1 more stable, so that the charging interface body 1 can be more conveniently plugged into the charging device to realize charging of the vehicle.
  • the grounding device 4 is generally arranged near the fixed frame 12, and a shorter electrical connection device 3 can be used to achieve electrical connection with the vehicle ground terminal, saving the usage of the electrical connection device 3 and reducing the cost of the charging interface grounding structure.
  • a plurality of fixing holes 121 are provided on the fixing frame 12. As shown in FIG. 5, the fixing holes 121 are detachably connected to the vehicle through a bolt structure, and the grounding device 4 is arranged in one of the fixing holes 121.
  • the fixing bracket 12 is arranged on the car shell through a bolt structure and a fixing hole 121, which is convenient for replacement.
  • the grounding device 4 is connected to a fixing hole 121. This eliminates the need to design a separate connector and allows the electrical connection device 3 to be more firmly installed in the vehicle body. . At the same time, there is no need to lead the cable to the outside of the charging interface body 1 and then connect it to the ground terminal.
  • the electrical connection device 3 at least partially extends outside the charging interface body 1 and is electrically connected to the vehicle ground terminal through the grounding device 4 .
  • the grounding device 4 is generally arranged near the fixed frame 12, and a shorter electrical connection device 3 can be used to achieve electrical connection with the vehicle ground terminal, saving the usage of the electrical connection device 3 and reducing the cost of the charging interface grounding structure.
  • the electrical connection device 3 at least partially extends out of the charging interface body 1 so that the connection status of the ground terminal can be easily checked.
  • the electrical connection device 3 extending out of the charging interface body 1 can be made of a flexible material, which can absorb the impact of the vibration of the vehicle ground terminal on the electrical connection device 3 and avoid the impact caused by the vehicle. The vibration of the vehicle may cause damage to the charging interface body 1 and extend the service life of the charging interface body 1.

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  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Structure de mise à la terre d'interface de charge et véhicule, qui appartiennent au domaine technique des circuits des véhicules à énergies nouvelles. La structure de mise à la terre d'interface de charge comprend : un corps d'interface de charge, un appareil de connexion électrique et un appareil de mise à la terre, une borne de mise à la terre étant disposée dans le corps d'interface de charge ; l'appareil de mise à la terre est électriquement connecté à une extrémité de mise à la terre d'un système de charge ou d'un système de véhicule ; une première extrémité de l'appareil de connexion électrique est électriquement connectée à la borne de mise à la terre ; et une seconde extrémité de l'appareil de connexion électrique est électriquement connectée à l'appareil de mise à la terre. Un appareil de connexion électrique sert de support de transmission de mise à la terre, de telle sorte que le diamètre d'un câble peut être réduit, le poids du câble est réduit, le câble peut être installé de manière pratique, et le frottement avec une coque de véhicule est réduit.
PCT/CN2023/091774 2022-05-03 2023-04-28 Structure de mise à la terre d'interface de charge et véhicule WO2023213249A1 (fr)

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CN114899669A (zh) * 2022-05-03 2022-08-12 长春捷翼汽车零部件有限公司 一种充电接口接地结构及一种车辆

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013082256A (ja) * 2011-10-06 2013-05-09 Autonetworks Technologies Ltd コネクタおよびジョイントコネクタ
CN104737377A (zh) * 2012-10-12 2015-06-24 矢崎总业株式会社 充电插孔装置
CN104823331A (zh) * 2012-11-13 2015-08-05 矢崎总业株式会社 连接器
KR20190027095A (ko) * 2017-09-06 2019-03-14 주식회사 유라코퍼레이션 접지 구조를 개선한 전기 자동차용 충전기 인렛
CN114899669A (zh) * 2022-05-03 2022-08-12 长春捷翼汽车零部件有限公司 一种充电接口接地结构及一种车辆
CN114937902A (zh) * 2022-05-03 2022-08-23 长春捷翼汽车零部件有限公司 一种充电接口接地结构及一种车辆

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013082256A (ja) * 2011-10-06 2013-05-09 Autonetworks Technologies Ltd コネクタおよびジョイントコネクタ
CN104737377A (zh) * 2012-10-12 2015-06-24 矢崎总业株式会社 充电插孔装置
CN104823331A (zh) * 2012-11-13 2015-08-05 矢崎总业株式会社 连接器
KR20190027095A (ko) * 2017-09-06 2019-03-14 주식회사 유라코퍼레이션 접지 구조를 개선한 전기 자동차용 충전기 인렛
CN114899669A (zh) * 2022-05-03 2022-08-12 长春捷翼汽车零部件有限公司 一种充电接口接地结构及一种车辆
CN114937902A (zh) * 2022-05-03 2022-08-23 长春捷翼汽车零部件有限公司 一种充电接口接地结构及一种车辆

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