WO2020093918A1 - 多功能高压连接器及电池产品 - Google Patents

多功能高压连接器及电池产品 Download PDF

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Publication number
WO2020093918A1
WO2020093918A1 PCT/CN2019/114410 CN2019114410W WO2020093918A1 WO 2020093918 A1 WO2020093918 A1 WO 2020093918A1 CN 2019114410 W CN2019114410 W CN 2019114410W WO 2020093918 A1 WO2020093918 A1 WO 2020093918A1
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WIPO (PCT)
Prior art keywords
base
voltage connector
guide portion
multifunctional high
connector according
Prior art date
Application number
PCT/CN2019/114410
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English (en)
French (fr)
Inventor
李建伟
产利兵
周灵刚
翁志琴
阮生甡
王鹏
Original Assignee
宁德时代新能源科技股份有限公司
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Publication of WO2020093918A1 publication Critical patent/WO2020093918A1/zh

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    • 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
    • H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
    • 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
    • H01R13/5213—Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/222—Inorganic material
    • H01M50/224—Metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271—Lids or covers for the racks or secondary casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • 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
    • H01R13/502—Bases; Cases composed of different pieces
    • 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
    • H01R13/621—Bolt, set screw or screw clamp
    • H01R13/6215—Bolt, set screw or screw clamp using one or more bolts
    • 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
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • 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
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6675—Structural association with built-in electrical component with built-in electronic circuit with built-in power supply
    • 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
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • This application relates to the technical field of connectors, in particular to a multifunctional high-voltage connector and battery products.
  • high-voltage connectors In battery products (such as battery packs or high-voltage boxes), commonly used connectors are generally: high-voltage connectors, manual maintenance switches (MSD, Manual Service Disconnect) and fuses.
  • MSD Manual Service Disconnect
  • fuses Among them, the high voltage connector is used to realize the electrical connection between the battery product and an external device (such as another battery pack or high voltage box), the MSD is used to control the on and off of the high voltage circuit in the battery product, and the fuse is used to High-voltage circuit for overload protection.
  • the purpose of this application is to provide a multifunctional high-voltage connector and a battery product, which are easy to assemble and improve assembly efficiency and assembly accuracy.
  • the present application provides a multifunctional high-voltage connector, which includes a base and an upper cover detachably assembled to the base.
  • the upper cover includes: an outer casing having a first oblique opening portion; and an inner casing fixed on the inner side of the outer casing and provided with a first guide portion.
  • the base includes: an outer base body having a second oblique opening portion; and an inner base body fixed to the inner side of the outer base body and provided with a second guide portion.
  • the first beveled portion of the outer casing cooperates with the second beveled portion of the outer base body, and the first guide portion of the inner casing cooperates with the second guide portion of the inner base body.
  • the angle between the lower surface of the first beveled portion and the upper surface of the second beveled portion and the longitudinal direction is ⁇ , and 5 ° ⁇ ⁇ ⁇ 8 °.
  • the first guide portion is a groove
  • the second guide portion is a protrusion.
  • the first guide portion is a protrusion
  • the second guide portion is a groove.
  • the inner case further includes: a body portion, which is housed in the outer casing; and an extension portion, which protrudes from the body portion in the vertical direction and extends out of the outer casing.
  • the first guide portion is provided on the extension portion and extends in the up-down direction, and the extension portion is inserted into the inner base of the base to match the first guide portion with the second guide portion.
  • the first guide portion is provided on both longitudinal sides of the extension portion; and / or the first guide portion is provided on both lateral sides of the extension portion.
  • the outer case further includes a first connecting portion formed on the first slanted portion and extending outward in the circumferential direction.
  • the outer base body further includes a second connection portion formed on the circumferentially outer side of the second oblique portion and connected to the first connection portion. The lower surface of the first connection portion and the upper surface of the second connection portion are parallel to the longitudinal direction.
  • the outer case further has a guide portion formed outside the first beveled portion and extending in a direction parallel to the lower surface of the first beveled portion.
  • the multifunctional high-voltage connector also includes a conductive connection structure and two plug-in terminals.
  • the conductive connection structure has: a main body part, an inner case accommodated in the upper cover; and two conductive connection parts, which are respectively formed at both ends of the main body part in the longitudinal direction and extend out of the outer shell.
  • the two plug-in terminals are arranged at intervals in the longitudinal direction, and each plug-in terminal is fixedly installed on the inner base of the base and plugged into a corresponding conductive connection portion of the conductive connection structure.
  • the inner base also has a bottom plate portion; and two protruding portions, which are arranged at intervals in the longitudinal direction, and each protruding portion protrudes from the bottom plate portion in the up-down direction and installs a corresponding plug terminal.
  • the second guide portion is provided on each protruding portion.
  • the multifunctional high-voltage connector also includes: a wire harness assembly connected to one of the plug-in terminals.
  • the outer base body further has a mounting portion formed outside the second beveled portion and extending in the longitudinal direction, and the mounting portion mounts the wire harness assembly. The highest point of the upper surface of the second beveled portion is higher than the top surface of the mounting portion.
  • Another plug-in terminal not connected to the harness assembly is exposed at the bottom of the base.
  • the multifunctional high-pressure connector further includes a sealing ring, and the second oblique portion of the outer base is provided with a receiving groove, and the receiving groove receives the sealing ring.
  • the outer casing and the outer base are made of metal materials.
  • the inner casing and the inner base body are made of insulating material.
  • the present application also provides a battery product, which includes the aforementioned multifunctional high-voltage connector.
  • the first beveled portion of the outer shell is a beveled structure, it reduces the weight of the upper cover and facilitates the installation and removal between the upper cover and the base; at the same time, due to the first guide portion of the inner housing and the second of the inner base body
  • the cooperation between the guide parts can provide guidance for the installation between the upper cover and the base, and the cooperation between the two can be reliably operated by visual positioning, so that the assembly between the upper cover and the base can be ensured without multiple assembly
  • the accurate installation of the multifunctional high voltage connector of the present application greatly improves the assembly efficiency and assembly accuracy of the multifunctional high voltage connector.
  • the second beveled portion of the base is also a beveled structure, its cooperation with the first beveled portion of the upper cover reduces the internal space of the multifunctional high-voltage connector and improves the multifunctional high-voltage connector Space utilization.
  • FIG. 1 is an exploded view of the multifunctional high-voltage connector of the present application.
  • FIG. 2 is an assembly diagram of FIG. 1.
  • FIG 3 is a schematic diagram of the installation of the conductive connection structure of the multi-functional high-voltage connector and the upper cover.
  • FIG. 4 is a schematic diagram of the installation of the plug-in terminal, the harness assembly and the base of the multifunctional high-voltage connector.
  • FIG. 5 is a schematic diagram of the installation of the plug-in terminal of FIG. 4 and the inner base of the base.
  • FIG. 6 is a perspective view of the outer base of the base.
  • FIG. 7 is a front view of FIG. 6.
  • first and second are used only for the purpose of description and cannot be understood as indicating or implying relative importance; the term “multiple” is Refers to two or more; unless otherwise specified or stated, the terms “connected”, “fixed”, etc. should be understood in a broad sense, for example, “connected” may be a fixed connection, or a detachable connection, or integrally Connection, or electrical connection, or signal connection; “connection” can be directly connected or indirectly connected through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.
  • the multifunctional high-voltage connector of the present application includes an upper cover 1, a base 2, a sealing ring 3, a conductive connection structure 4, two plug-in terminals 5 and a wire harness assembly 6.
  • the upper cover 1 is detachably assembled to the base 2.
  • the upper cover 1 may include: an outer housing 11 having a first inclined portion 111; and an inner housing 12 fixed inside the outer housing 11 and provided with a first guide 121.
  • the base 2 may include: an outer base 21 having a second slanted portion 211; and an inner base 22 fixed to the inner side of the outer base 21 and provided with a second guide portion 221.
  • the outer shell 11 and the outer base 21 may be made of a metal material
  • the inner shell 12 and the inner base 22 may be made of an insulating material.
  • the first guide portion 121 of the inner housing 12 and the second guide portion 221 of the inner base body 22 can be fitted by visual positioning (as shown in the following concave-convex fitting), and then The upper cover 1 may gradually approach the base 2 along the matching direction of the first guide portion 121 and the second guide portion 221 until the first beveled portion 111 of the outer housing 11 is engaged with the second beveled portion 211 of the outer base 21 (i.e. Face to face), at this time it means that the upper cover 1 has been installed in place.
  • the first beveled portion 111 of the outer casing 11 is a beveled structure, it reduces the weight of the upper cover 1 and facilitates the installation and removal between the upper cover 1 and the base 2; at the same time, due to the first guide portion of the inner casing 12
  • the cooperation between 121 and the second guide portion 221 of the inner base 22 can provide guidance for the installation between the upper cover 1 and the base 2, and the cooperation between the two can be reliably operated by visual positioning, thereby eliminating the need for multiple
  • the sub-assembly can ensure accurate installation between the upper cover 1 and the base 2, and thus the multifunctional high-voltage connector of the present application greatly improves the assembly efficiency and assembly accuracy of the multifunctional high-voltage connector.
  • the second beveled portion 211 of the base 2 is also a beveled structure, its cooperation with the first beveled portion 111 of the upper cover 1 reduces the internal space of the multifunctional high-voltage connector and improves Space utilization of functional high voltage connectors.
  • the second beveled portion 211 of the outer base 21 is provided with a receiving groove 211A for receiving the seal ring 3.
  • the sealing ring 3 is pressed into the receiving groove 211A to seal the outer base 21 of the base 2 and the outer shell 11 of the upper cover 1.
  • the angle between the lower surface of the first beveled portion 111 (that is, the mounting surface) and the upper surface of the second beveled portion 211 (that is, the mounting surface) and the longitudinal direction Y are all ⁇ . Since the lighter weight of the upper cover 1 is, it is more helpful to improve the assembly efficiency and assembly accuracy of the multifunctional high-voltage connector. Therefore, in order to minimize the weight of the upper cover 1, the size of ⁇ needs to be designed within a reasonable range. After many design and installation operations, it was found that when 5 ° ⁇ 8 °, it is most conducive to the installation and disassembly between the upper cover 1 and the base 2.
  • the fitting manner between the first guide portion 121 of the inner housing 12 and the second guide portion 221 of the inner base 22 may be a concave-convex fit.
  • the first guide portion 121 is a groove (as shown in FIG. 3); correspondingly, the second guide portion 221 is a protrusion (as shown in FIGS. 4 and 5).
  • the first guide portion 121 is a protrusion; correspondingly, the second guide portion 221 is a groove.
  • the outer casing 11 may further include: a first connecting portion 112 formed on the first diagonal portion 111 on the outer side in the circumferential direction and extending in the vertical direction Z.
  • the outer base 21 may further include: a second connection portion 212 formed on the circumferentially outer side of the second slanted portion 211.
  • Both the first connection portion 112 and the second connection portion 212 may be plural in number.
  • the plurality of first connection portions 112 are provided outside the first slanted mouth portion 111 at intervals in the circumferential direction, and the plurality of second connection portions 212 are provided outside the second slanted mouth portion 211 at intervals in the circumferential direction.
  • each first connection portion 112 may be connected to the corresponding second connection portion 212 through a fastener S (such as a connection bolt).
  • a fastener S such as a connection bolt
  • the lower surface of the first connection portion 112 and the upper surface of the second connection portion 212 are all parallel to the longitudinal direction Y. In other words, both the lower surface of the first connection portion 112 and the upper surface of the second connection portion 212 are flat.
  • the outer housing 11 may further have a guide portion 113 protrudingly formed outside the first bevel portion 111.
  • the guide portion 113 may be provided on both sides of the lateral direction X of the outer housing 11 and extend in a direction parallel to the lower surface of the first bevel portion 111, that is, the guide portion 113 extends obliquely with respect to the longitudinal direction Y.
  • the outer base 21 may further include: a mounting portion 213 formed outside the second beveled portion 211 and extending in the longitudinal direction Y, and the mounting portion 213 mounts the wire harness assembly 6.
  • the highest point of the mounting surface of the second bevel portion 211 is higher than the top surface of the mounting portion 213.
  • the inner housing 12 may further include: a body portion 122 accommodated in the outer housing 11; and an extension portion 123 protruding from the body portion 122 in the up-down direction Z and extending out of the outer housing 11.
  • the first guide portion 121 is provided on the extension portion 123 and extends in the vertical direction Z.
  • the number of first guides 121 is plural.
  • the plurality of first guide portions 121 are disposed on both sides of the extension portion 123 in the longitudinal direction Y.
  • the plurality of first guide portions 121 may be disposed on both sides of the extension portion 123 in the lateral direction X.
  • the plurality of first guide portions 121 are simultaneously provided on both sides in the longitudinal direction Y of the extending portion 123 and on both sides in the lateral direction X of the extending portion 123.
  • the first guide portion 121 adopts the above-mentioned arrangement manner, so that the upper cover 1 can be simultaneously limited on opposite sides during the assembly process, thereby further ensuring accurate installation between the upper cover 1 and the base 2.
  • the conductive connection structure 4 is fixedly installed on the upper cover 1.
  • the conductive connection structure 4 may have: a body portion 41 housed in the inner casing 12 of the upper cover 1; and two conductive connection portions 42 formed at both ends of the body portion 41 along the longitudinal direction Y and extending Out of the outer shell 11, each conductive connection portion 42 is used for plug-in connection with a corresponding plug-in terminal 5.
  • the conductive connection structure 4 may be a fuse or a one-piece structure (that is, a whole connection piece).
  • each plug terminal 5 is fixedly installed on the inner base 22 of the base 2.
  • each plug-in terminal 5 has elasticity, and when the corresponding conductive connection portion 42 of the conductive connection structure 4 is plugged, it can clamp the conductive connection portion 42, thereby ensuring that the conductive connection structure 4 and the plug Reliability of connection between terminals 5.
  • the inner base 22 may further include: a bottom plate portion 222; and two protruding portions 223, which are arranged at intervals in the longitudinal direction Y, and each protruding portion 223 protrudes from the bottom plate portion 222 in the up-down direction Z and mounts one corresponding plug terminal 5.
  • the second guide portion 221 is provided on each protruding portion 223.
  • each conductive connection portion 42 of the conductive connection structure 4 can be accurately inserted Corresponding to one protruding portion 223 and plug-connected with the plug terminal 5 inside the protruding portion 223, thereby avoiding the ablation problem caused by the multiple attempts to wear the plug terminal 5.
  • the harness assembly 6 is installed on the base 2 and connected to one of the plug terminals 5 (the other plug terminal 5 is exposed at the bottom of the base 2).
  • the wire harness assembly 6 may include: a wire harness body 61 with one end fixed to the mounting portion 213 of the outer base 21, the other end protruding from the mounting portion 213 in the longitudinal direction Y; and a connection terminal 62 connected to the one end of the wire harness body 61 and The one of the plug-in terminals 5.
  • the multifunctional high-voltage connector When the multifunctional high-voltage connector is used in a battery product (such as a battery pack or a high-voltage box), the other plug terminal 5 is connected to the battery inside the battery product, and the harness assembly 6 is connected to other devices outside the battery product (such as Another battery pack or high-voltage box), thereby achieving electrical connection between the battery inside the battery product and other devices.
  • a battery product such as a battery pack or a high-voltage box
  • the battery product of this application includes a multi-functional high-voltage connector.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

本申请提供了一种多功能高压连接器及电池产品，其包括底座和上盖。上盖包括：外壳体，具有第一斜口部；以及内壳体，设置有第一导向部。底座包括：外基体，具有第二斜口部；以及内基体，设置有第二导向部。外壳体的第一斜口部与外基体的第二斜口部配合，内壳体的第一导向部与内基体的第二导向部配合。外壳体的第一斜口部为斜口结构，其减轻了上盖的重量，便于上盖与底座之间的安装与拆卸；内壳体的第一导向部与内基体的第二导向部之间的配合能够为上盖与底座之间的安装提供导向，且二者之间的配合可通过目视定位进行可靠操作，从而无需进行多次装配即可保证上盖与底座之间的准确安装，由此极大地提高了多功能高压连接器的装配效率和装配精度。

Description

多功能高压连接器及电池产品 技术领域
本申请涉及连接器技术领域，尤其涉及一种多功能高压连接器及电池产品。
背景技术
在电池产品(如电池包或高压盒)中，常用的连接器一般有：高压连接器、手动维护开关(MSD，Manual Service Disconnect)以及熔断器。其中，高压连接器用于实现电池产品与外部装置(如另一电池包或高压盒)之间的电连接，MSD用于控制电池产品中的高压电路的通断，熔断器用于对电池产品中的高压电路进行过载保护。
发明内容
发明人在发明创造过程中发现：当基于电池产品的能量密度的提升需求，需要将具有多种功能的连接器集成为一体化的多功能高压连接器，由于多功能的集成，导致该新型多功能高压连接器的上盖与底座之间的安装与拆卸不便，进而导致装配效率和装配精度不高。
为此，本申请的目的在于提供一种多功能高压连接器及电池产品，其便于装配，提高了装配效率和装配精度。
为了实现上述目的，本申请提供了一种多功能高压连接器，其包括底座和可拆卸地装配于底座的上盖。上盖包括：外壳体，具有第一斜口部；以及内壳体，固定在外壳体内侧并设置有第一导向部。底座包括：外基体，具有第二斜口部；以及内基体，固定在外基体内侧并设置有第二导向部。外壳体的第一斜口部与外基体的第二斜口部配合，内壳体的第一导向部与内基体的第二导向部配合。
第一斜口部的下表面、第二斜口部的上表面与纵向之间的夹角均为θ，5°≤θ≤8°。
第一导向部为凹槽，第二导向部为凸起。或者，第一导向部为凸起，第二导向部为凹槽。
内壳体还具有：本体部，收容于外壳体；以及延伸部，沿上下方向突出于本体部并伸出外壳体。第一导向部设置于延伸部并沿上下方向延伸，且延伸部插入底座的内基体中以使第一导向部与第二导向部配合。
第一导向部设置于延伸部的纵向两侧；和/或第一导向部设置于延伸部的横向两侧。
外壳体还具有：第一连接部，形成于第一斜口部周向外侧并沿上下方向延伸。外基体还具有：第二连接部，形成于第二斜口部周向外侧并与第一连接部连接。第一连接部的下表面、第二连接部的上表面均平行于纵向。
外壳体还具有：引导部，形成于第一斜口部外侧并沿与第一斜口部的下表面平行的方向延伸。
多功能高压连接器还包括导电连接结构和两个插接端子。导电连接结构具有：主体部，收容于上盖的内壳体；以及两个导电连接部，沿纵向分别形成于主体部两端并伸出外壳体。两个插接端子沿纵向间隔设置，各插接端子固定安装于底座的内基体并与导电连接结构的对应一个导电连接部插接。
内基体还具有：底板部；以及两个突出部，沿纵向间隔设置，各突出部沿上下方向突出于底板部并安装对应一个插接端子。第二导向部设置于各突出部。
多功能高压连接器还包括：线束组件，连接于其中一个插接端子。外基体还具有：安装部，形成于第二斜口部外侧并沿纵向延伸，且安装部安装所述线束组件。第二斜口部的上表面的最高点高于安装部的顶表面。
未与线束组件连接的另一个插接端子露出于底座底部。
多功能高压连接器还包括密封圈，外基体的第二斜口部设置有收容槽，收容槽收容密封圈。
外壳体和外基体由金属材料制成。
内壳体和内基体由绝缘材料制成。
为了实现上述目的，本申请还提供了一种电池产品，其包括前述的多功能高压连接器。
本申请的有益效果如下：
由于外壳体的第一斜口部为斜口结构，其减轻了上盖的重量，便于上盖与底座之间的安装与拆卸；同时由于内壳体的第一导向部与内基体的第二导向部之间的配合能够为上盖与底座之间的安装提供导向，且二者之间的配合可通过目视定位进行可靠操作，从而无需进行多次装配即可保证上盖与底座之间的准确安装，由此本申请的多功能高压连接器极大地提高了多功能高压连接器的装配效率和装配精度。此外，由于底座的第二斜口部也为斜口结构，其与上盖的第一斜口部之间的配合，减小了多功能高压连接器的内部空间，提高了多功能高压连接器的空间利用率。
附图说明
图1是本申请的多功能高压连接器的爆炸图。
图2是图1的装配图。
图3是多功能高压连器的导电连接结构与上盖的安装示意图。
图4是多功能高压连器的插接端子、线束组件与底座的安装示意图。
图5是图4中的插接端子与底座的内基体的安装示意图。
图6是底座的外基体的立体图。
图7是图6的主视图。
其中，附图标记说明如下：
1上盖                        221第二导向部
11外壳体                     222底板部
111第一斜口部                223突出部
112第一连接部            3密封圈
113引导部                4导电连接结构
12内壳体                   41主体部
121第一导向部              42导电连接部
122本体部                5插接端子
123延伸部                6线束组件
2底座                        61线束体
21外基体                     62连接端子
211第二斜口部            S紧固件
211A收容槽               X横向
212第二连接部            Y纵向
213安装部                Z上下方向
22内基体
具体实施方式
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
在本申请的描述中，除非另有明确的规定和限定，术语“第一”、“第二”仅用于描述的目的，而不能理解为指示或暗示相对重要性；术语“多个”是指两个或两个以上；除非另有规定或说明，术语“连接”、“固定”等均应做广义理解，例如，“连接”可以是固定连接，也可以是可拆卸连接，或一体地连接，或电连接，或信号连接；“连接”可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
本说明书的描述中，需要理解的是，本申请实施例所描述的“上”、“下”、“内”、“外”等方位词是以附图所示的角度来进行描述的，不应理解为对本申请实施例的限定。此外，在上下文中，还需要理解的是，当提到一个元件连接在另一个元件“上”、“下”、或者“内”、“外”时，其不仅能够直接连接在另一个元件“上”、“下”或者“内”、“外”，也可以通过中间元件间接连接在另一个元件“上”、“下”或者“内”、“外”。
参照图1和图2，本申请的多功能高压连接器包括上盖1、底座2、密封圈3、导电连接结构4、两个插接端子5以及线束组件6。
上盖1可拆卸地装配于底座2。参照图3，上盖1可包括：外壳体11，具有第一斜口部111；以及内壳体12，固定在外壳体11内侧并设置有第一导向部121。参照图4至图6，底座2可包括：外基体21，具有第二斜口部211；以及内基体22，固定在外基体21内侧并设置有第二导向部221。其中，外壳体11和外基体21可由金属材料制成，内壳体12和内基体22可由绝缘 材料制成。
当上盖1装配于底座2时，可首先通过目视定位将内壳体12的第一导向部121与内基体22的第二导向部221进行配合(如下文所述的凹凸配合)，然后上盖1可顺着第一导向部121与第二导向部221的配合方向逐渐靠近底座2，直至外壳体11的第一斜口部111与外基体21的第二斜口部211配合(即面对面抵靠)，此时表示上盖1已安装到位。
由于外壳体11的第一斜口部111为斜口结构，其减轻了上盖1的重量，便于上盖1与底座2之间的安装与拆卸；同时由于内壳体12的第一导向部121与内基体22的第二导向部221之间的配合能够为上盖1与底座2之间的安装提供导向，且二者之间的配合可通过目视定位进行可靠操作，从而无需进行多次装配即可保证上盖1与底座2之间的准确安装，由此本申请的多功能高压连接器极大地提高了多功能高压连接器的装配效率和装配精度。此外，由于底座2的第二斜口部211也为斜口结构，其与上盖1的第一斜口部111之间的配合，减小了多功能高压连接器的内部空间，提高了多功能高压连接器的空间利用率。
参照图1、图4和图6，外基体21的第二斜口部211设置有收容槽211A，收容槽211A用于收容密封圈3。当上盖1装配于底座2后，密封圈3挤压在收容槽211A中以密封底座2的外基体21与上盖1的外壳体11。
参照图7，第一斜口部111的下表面(即安装面)、第二斜口部211的上表面(即安装面)与纵向Y之间的夹角均为θ。由于上盖1的质量越轻，越有助于提高多功能高压连接器的装配效率和装配精度，因而为了最大程度地减轻上盖1的重量，θ的大小需要设计在合理的范围内。经过多次设计和安装操作，发现当5°≤θ≤8°时，最有利于上盖1与底座2之间的安装与拆卸。
内壳体12的第一导向部121与内基体22的第二导向部221之间的配合方式可为凹凸配合。具体地，第一导向部121为凹槽(如图3所示)；对应地，第二导向部221为凸起(如图4和图5所示)。或者，第一导向部121为凸起；对应地，第二导向部221为凹槽。
参照图3，外壳体11还可具有：第一连接部112，形成于第一斜口部111周向外侧并沿上下方向Z延伸。参照图4和图6，外基体21还可具有：第二连接部212，形成于第二斜口部211周向外侧。
第一连接部112和第二连接部212在数量上可均为多个。多个第一连接部112沿周向间隔设置于第一斜口部111外侧，多个第二连接部212沿周向间隔设置于第二斜口部211外侧。
参照图2，各第一连接部112可通过紧固件S(如连接螺栓)连接于对应的第二连接部212。为了保证在连接过程中，紧固件S的锁紧力不被分解，第一连接部112的下表面、第二连接部212的上表面均平行于纵向Y。换句话说，第一连接部112的下表面和第二连接部212的上表面均为平面。为了提高了上盖1的强度，参照图1至图3，外壳体11还可具有：引导部113，突出形成于第一斜口部111外侧。需要说明的是，由于第一斜口部111为斜口结构，若引导部113沿上下方向Z延伸，则容易拉大上盖1的纵向Y两端之间的质量差距，使得重心偏移，不利于上盖1与底座2之间的安装与拆卸。因而，为了便于安装和操作，引导部113可设置于外壳体11的横向X两侧且沿与第一斜口部111的下表面平行的方向延伸，即引导部113相对于纵向Y倾斜延伸。
参照图6，外基体21还可具有：安装部213，形成于第二斜口部211外侧并沿纵向Y延伸，且安装部213安装线束组件6。在装配过程中，为了不干扰第一斜口部111与第二斜口部211之间的配合，第二斜口部211的安装面的最高点高于安装部213的顶表面。
参照图3，内壳体12还可具有：本体部122，收容于外壳体11；以及延伸部123，沿上下方向Z突出于本体部122并伸出外壳体11。第一导向部121设置于延伸部123并沿上下方向Z延伸，当上盖1装配于底座2时，内壳体12的延伸部123插入底座2的内基体22中以使第一导向部121与第二导向部221配合。
第一导向部121在数量上为多个。在一实施例中，多个第一导向部121设置于延伸部123的纵向Y两侧。在另一实施例中，多个第一导向部121可设置于延伸部123的横向X两侧。在又一实施例中，多个第一导向部121同时设置于延伸部123的纵向Y两侧和延伸部123的横向X两侧。第一导向部121采用上述设置方式，在装配过程中使得上盖1在相对的两侧能够同时进行限位，由此进一步保证了上盖1与底座2之间的准确安装。
导电连接结构4固定安装于上盖1。具体地，参照图3，导电连接结构4 可具有：主体部41，收容于上盖1的内壳体12；以及两个导电连接部42，沿纵向Y分别形成于主体部41两端并伸出外壳体11，各导电连接部42用于与对应一个插接端子5插接连接。其中，导电连接结构4可为熔断器或一片式结构(即一整片连接片)。
参照图4和图5，两个插接端子5沿纵向Y间隔设置，各插接端子5固定安装于底座2的内基体22。其中，各插接端子5具有弹性，当与导电连接结构4的对应的导电连接部42插接时，其能够夹持导电连接部42，由此在使用过程中保证了导电连接结构4与插接端子5之间的连接可靠性。
参照图5，内基体22还可具有：底板部222；以及两个突出部223，沿纵向Y间隔设置，各突出部223沿上下方向Z突出于底板部222并安装对应一个插接端子5。第二导向部221设置于各突出部223。
当上盖1与底座2装配时，基于内壳体12的第一导向部121与内基体22的第二导向部221之间的配合，导电连接结构4的各导电连接部42能够准确地插入对应一个突出部223中并与突出部223内部的插接端子5插接连接，由此避免了由于多次尝试对插接端子5的磨损而带来的烧蚀问题。
参照图4，线束组件6安装于底座2并连接于其中一个插接端子5(另一个插接端子5露出于底座2底部)。具体地，线束组件6可包括：线束体61，一端固定于外基体21的安装部213、另一端沿纵向Y突出于安装部213；以及连接端子62，连接于线束体61的所述一端和所述其中一个插接端子5。
当多功能高压连接器应用于电池产品(如电池包或高压盒)中时，所述另一个插接端子5连接于电池产品内部的电池，线束组件6连接于电池产品外部的其它装置(如另一电池包或高压盒)，由此实现电池产品内部的电池与其它装置之间的电连接。
本申请的电池产品包括多功能高压连接器。

Claims (15)

  1. 一种多功能高压连接器，包括底座(2)和可拆卸地装配于底座(2)的上盖(1)，
    上盖(1)包括：外壳体(11)，具有第一斜口部(111)；以及内壳体(12)，固定在外壳体(11)内侧并设置有第一导向部(121)；
    底座(2)包括：外基体(21)，具有第二斜口部(211)；以及内基体(22)，固定在外基体(21)内侧并设置有第二导向部(221)；
    外壳体(11)的第一斜口部(111)与外基体(21)的第二斜口部(211)配合，内壳体(12)的第一导向部(121)与内基体(22)的第二导向部(221)配合。
  2. 根据权利要求1所述的多功能高压连接器，其特征在于，第一斜口部(111)的下表面、第二斜口部(211)的上表面与纵向(Y)之间的夹角均为θ，5°≤θ≤8°。
  3. 根据权利要求1或2所述的多功能高压连接器，其特征在于，
    第一导向部(121)为凹槽，第二导向部(221)为凸起；或者
    第一导向部(121)为凸起，第二导向部(221)为凹槽。
  4. 根据权利要求1-3中任一项所述的多功能高压连接器，其特征在于，
    内壳体(12)还具有：本体部(122)，收容于外壳体(11)；以及延伸部(123)，沿上下方向(Z)突出于本体部(122)并伸出外壳体(11)；
    第一导向部(121)设置于延伸部(123)并沿上下方向(Z)延伸，且延伸部(123)插入底座(2)的内基体(22)中以使第一导向部(121)与第二导向部(221)配合。
  5. 根据权利要求4所述的多功能高压连接器，其特征在于，
    第一导向部(121)设置于延伸部(123)的纵向(Y)两侧；和/或
    第一导向部(121)设置于延伸部(123)的横向(X)两侧。
  6. 根据权利要求1-5中任一项所述的多功能高压连接器，其特征在于，
    外壳体(11)还具有：第一连接部(112)，形成于第一斜口部(111)周向外侧并沿上下方向(Z)延伸；
    外基体(21)还具有：第二连接部(212)，形成于第二斜口部(211)周向外侧并与第一连接部(112)连接；
    第一连接部(112)的下表面、第二连接部(212)的上表面均平行于纵向(Y)。
  7. 根据权利要求1-6中任一项所述的多功能高压连接器，其特征在于，外壳体(11)还具有：引导部(113)，形成于第一斜口部(111)外侧并沿与第一斜口部(111)的下表面平行的方向延伸。
  8. 根据权利要求1-7中任一项所述的多功能高压连接器，其特征在于，
    多功能高压连接器还包括导电连接结构(4)和两个插接端子(5)；
    导电连接结构(4)具有：主体部(41)，收容于上盖(1)的内壳体(12)；以及两个导电连接部(42)，沿纵向(Y)分别形成于主体部(41)两端并伸出外壳体(11)；
    两个插接端子(5)沿纵向(Y)间隔设置，各插接端子(5)固定安装于底座(2)的内基体(22)并与导电连接结构(4)的对应一个导电连接部(42)插接。
  9. 根据权利要求8所述的多功能高压连接器，其特征在于，
    内基体(22)还具有：底板部(222)；以及两个突出部(223)，沿纵向(Y)间隔设置，各突出部(223)沿上下方向(Z)突出于底板部(222)并安装对应一个插接端子(5)；
    第二导向部(221)设置于各突出部(223)。
  10. 根据权利要求8或9所述的多功能高压连接器，其特征在于，
    多功能高压连接器还包括：线束组件(6)，连接于其中一个插接端子 (5)；
    外基体(21)还具有：安装部(213)，形成于第二斜口部(211)外侧并沿纵向(Y)延伸，且安装部(213)安装所述线束组件(6)；
    第二斜口部(211)的上表面的最高点高于安装部(213)的顶表面。
  11. 根据权利要求10所述的多功能高压连接器，其特征在于，未与线束组件(6)连接的另一个插接端子(5)露出于底座(2)底部。
  12. 根据权利要求1-11中任一项所述的多功能高压连接器，其特征在于，多功能高压连接器还包括密封圈(3)，外基体(21)的第二斜口部(211)设置有收容槽(211A)，收容槽(211A)收容密封圈(3)。
  13. 根据权利要求1-12中任一项所述的多功能高压连接器，其特征在于，外壳体(11)和外基体(21)由金属材料制成。
  14. 根据权利要求1-13中任一项所述的多功能高压连接器，其特征在于，内壳体(12)和内基体(22)由绝缘材料制成。
  15. 一种电池产品，其特征在于，电池产品包括如权利要求1-14中任一项所述的多功能高压连接器。
PCT/CN2019/114410 2018-11-08 2019-10-30 多功能高压连接器及电池产品 WO2020093918A1 (zh)

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