WO2024140609A1 - 电连接器、电连接组件、电池包和电动车辆 - Google Patents

电连接器、电连接组件、电池包和电动车辆 Download PDF

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Publication number
WO2024140609A1
WO2024140609A1 PCT/CN2023/141674 CN2023141674W WO2024140609A1 WO 2024140609 A1 WO2024140609 A1 WO 2024140609A1 CN 2023141674 W CN2023141674 W CN 2023141674W WO 2024140609 A1 WO2024140609 A1 WO 2024140609A1
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WO
WIPO (PCT)
Prior art keywords
pole
electrical connector
cable
connector
mounting hole
Prior art date
Application number
PCT/CN2023/141674
Other languages
English (en)
French (fr)
Inventor
张建平
黄春华
Original Assignee
奥动新能源汽车科技有限公司
上海电巴新能源科技有限公司
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Application filed by 奥动新能源汽车科技有限公司, 上海电巴新能源科技有限公司 filed Critical 奥动新能源汽车科技有限公司
Publication of WO2024140609A1 publication Critical patent/WO2024140609A1/zh

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42Securing in a demountable manner
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/296Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/298Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/5804Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part
    • H01R13/5816Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part for cables passing through an aperture in a housing wall, the separate part being captured between cable and contour of aperture
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Definitions

  • the invention relates to an electric connector, an electric connection assembly, a battery pack and an electric vehicle.
  • the connector can be detachably connected to the pole through the protective cover, which makes installation and connection very convenient; at the same time, the connection hole and the pole are insulated and protected; and the detachable connection method is adopted, which is easy to maintain and replace.
  • the protection seat is provided with a buckle
  • the protection cover is provided with a slot matched with the buckle
  • the protection seat and the protection cover are connected by snapping together the buckle and the slot.
  • the electrical connector further comprises a sheath, one end of the sheath is sleeved on the insulating member, and the other end of the sheath is sleeved on the outer circumferential surface of the cable body.
  • the sheath and the insulating part are used to cover the connector and at least part of the cable body, thereby playing the role of sealing and insulating the connection between the cable body and the connector, ensuring a good connection between the connector and the cable body, and improving the safety of the electrical connector.
  • the above-mentioned structural form is adopted, and the connector is completely wrapped by the sheath and the insulating member, so that the insulating member and the sheath are in contact with each other.
  • the combination provides complete sealing and insulation protection for the connector, further improving the safety of the electrical connector.
  • the shell has a first protrusion extending inward and/or outward along the opening direction of the first mounting hole, the first mounting hole is located in the first protrusion, the cable passes through the first protrusion, and the sheath extends into the first protrusion.
  • the first protrusion can effectively increase the connection contact area between the housing and the cable, strengthen the connection strength between the housing and the cable, and achieve stable fixing of the cable on the housing, with higher safety and stability.
  • the sheath extends into the first mounting hole of the first protrusion, reducing the overall structural size of the housing, improving the space utilization inside the housing, and achieving a small space occupied by the electrical connector.
  • the housing has a second protrusion extending inwardly and/or outwardly along the direction in which the second mounting hole is opened, and the pole mounting piece is inserted into the second protrusion.
  • the second protrusion can effectively increase the connection contact area between the housing and the pole mounting piece, strengthen the connection strength between the housing and the pole mounting piece, and realize the stable connection of the pole mounting piece to the housing, which is safer and more stable.
  • the electrical connector further comprises a cable gland, the cable gland is sleeved on the cable body, the cable gland is fixedly connected to the shell, and the cable body is sealed and connected to the first mounting hole through the cable gland.
  • the above-mentioned structural form is adopted to fasten and seal the cable on the housing through the cable gland, so that the cable will not produce axial displacement and radial rotation or displacement, ensuring the normal connection of the cable, effectively avoiding the occurrence of loose electrical connection, and greatly improving
  • the device has stable reliability and prolongs the service life of the electrical connector. At the same time, it has a simple structure and low cost.
  • the poles include at least one of a high-voltage pole, a low-voltage pole and a grounding pole.
  • An electrical connection assembly comprises two matching electrical connectors, the poles of the two electrical connectors being connected; wherein at least one of the electrical connectors is the electrical connector described above.
  • the above-mentioned structural form is adopted, and the cable and the pole are respectively installed on the first mounting hole and the second mounting hole of the shell, and the opening direction of the first mounting hole is not parallel to the opening direction of the second mounting hole.
  • the setting direction of the pole and the cable is adjusted through the shell, and the pole and the cable are fixed on the electrical connector through the shell, so that the position of the cable is fixed, the cable is prevented from shaking, and the occurrence of loose electrical connection is effectively avoided, which greatly improves the stability and reliability of the electrical connection component and extends the service life of the electrical connection component.
  • one of the electrical connectors is installed on an electric vehicle, and the other electrical connector is installed on a battery pack, and the electric vehicle and the battery pack are electrically connected via the electrical connection assembly.
  • the opening direction of the first mounting hole is perpendicular to the thickness direction of the battery pack.
  • the above-mentioned structural form is adopted, so that the cable can be extended in a direction perpendicular to the thickness of the battery pack and routed on the side of the battery pack, preventing the cable from interfering with components such as battery cells in the battery pack, thereby achieving a more compact battery pack structure and higher space utilization.
  • An electric vehicle comprises the electric connector as described above.
  • the shell is used to connect to the cable through the first mounting hole, and is used to connect to the pole through the second mounting hole, and the opening direction of the first mounting hole is not parallel to the opening direction of the second mounting hole.
  • the setting direction of the pole and the cable is realized by the shell, and the pole and the cable are fixed to the electrical connector by the shell, so that the position of the cable is fixed, the cable is prevented from shaking, and the occurrence of loose electrical connection is effectively avoided, which greatly improves the stability and reliability and prolongs the service life.
  • FIG1 is a schematic structural diagram of an electrical connector according to Embodiment 1 of the present invention.
  • Fig. 2 is a schematic cross-sectional view of the structure along the A-A direction in Fig. 1.
  • FIG. 3 is a schematic diagram of the internal structure of the electrical connector according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic structural diagram of an electrical connector according to Embodiment 2 of the present invention.
  • Fig. 5 is a schematic cross-sectional view of the structure along the B-B direction in Fig. 4 .
  • FIG. 6 is a schematic diagram of the internal structure of the electrical connector according to Embodiment 2 of the present invention.
  • An embodiment of the present invention discloses an electrical connection assembly, which includes two matching electrical connectors, one of which is installed on an electric vehicle, and the other is installed on a battery pack.
  • the electrical connector on the electric vehicle and the electrical connector on the battery pack are electrically connected to each other, thereby achieving electrical connection between the electric vehicle and the battery pack through the electrical connection assembly.
  • the electrical connector includes a shell 1, a pole 3 and a cable 2.
  • the shell 1 is provided with a first mounting hole 11 and a second mounting hole 12.
  • the cable 2 passes through the first mounting hole 11, and the pole 3 is passed through the second mounting hole 12.
  • One end of the cable 2 is connected to the pole 3, and the other end of the cable 2 extends to the outside of the shell 1; wherein the opening direction of the first mounting hole 11 is not parallel to the opening direction of the second mounting hole 12.
  • two matching electrical connectors are plugged into each other through poles 3 to achieve electrical connection, wherein at least one electrical connector is the electrical connector as described above, which can be installed on a battery pack or on an electric vehicle.
  • the angle formed between the opening direction of the first mounting hole 11 and the opening direction of the second mounting hole 12 may not be limited.
  • the cable 2 includes a connector 22 and a cable body 21, and the cable body 21 is electrically connected to the pole 3 through the connector 22; wherein, the connection method between the connector 22 and the pole 3 includes at least one of screw connection, crimping and welding, and the connection method between the cable body 21 and the connector 22 includes at least one of screw connection, crimping and welding.
  • the cable body 21 and the pole 3 are electrically connected through the connector 22, and the installation connection is convenient and the installation connection stability is high.
  • the connection methods are diversified, and the appropriate installation connection method can be selected according to the requirements of space, strength, etc.
  • the other side of the protective seat 51 is provided with an installation opening, and the fastener will pass through the installation opening to connect with the connecting hole 221 and the pole 3, so that the connector 22 is detachably connected to the pole 3, and the installation connection is very convenient; finally, the protective cover 52 is connected to the other side of the protective seat 51 to completely cover the installation opening, so as to insulate and protect the connecting hole 221 and the pole 3; and the detachable connection method is adopted, which is convenient for maintenance and replacement.
  • a buckle is provided on the protection seat 51, and a slot matching the buckle is provided on the protection cover 52, and the protection seat 51 and the protection cover 52 are connected by the buckle and the slot.
  • the buckle and the slot are used to realize a detachable connection between the protection seat 51 and the protection cover 52, which is very convenient to install and connect, and has high connection strength; at the same time, the structure is simple and easy to process and manufacture.
  • the electrical connector further comprises a gland 7, which is sleeved on the cable body 21, and the gland 7 is fixedly connected to the housing 1, and the cable body 21 is sealed and connected to the first mounting hole 11 through the gland 7.
  • the cable body 21 is fixedly connected to the first mounting hole 11 of the housing 1 through the gland 7, so that the cable 2 is fastened and sealed on the housing 1, so that the cable 2 will not produce axial displacement and radial rotation or displacement, ensuring the normal connection of the cable 2, effectively avoiding the occurrence of loose electrical connection, greatly improving stability and reliability, and extending the service life of the electrical connector.
  • the structure is simple and the cost is low.
  • the housing 1 has a second protrusion 15 extending inwardly along the opening direction of the second mounting hole 12, and the pole mounting member 4 is inserted into the second protrusion 15.
  • the second protrusion 15 can effectively increase the connection contact area between the housing 1 and the pole mounting member 4, strengthen the connection strength between the housing 1 and the pole mounting member 4, and achieve a stable connection of the pole mounting member 4 to the housing 1, with higher safety and stability.
  • the housing 1 has a sealed cavity 13, and the second protrusion 15 extends inwardly without occupying external space, so that the structure is more compact.
  • the embodiment of the present invention also discloses a battery pack, which includes the electrical connector as described above.
  • the cable 2 and the pole 3 are respectively mounted on the first mounting hole 11 and the second mounting hole 12 of the housing 1, and the opening direction of the first mounting hole 11 is not parallel to the opening direction of the second mounting hole 12.
  • the housing 1 is used to adjust the direction and realize the electrical connection between the pole 3 and the cable 2, so that the cable 2 does not need to be bent, the cable 2 is prevented from shaking, and the loosening of the electrical connection is effectively avoided, which greatly improves the stability and reliability of the battery pack and prolongs the service life of the battery pack.
  • the opening direction of the first mounting hole 11 is perpendicular to the thickness direction of the battery pack, so that the cable 2 can be extended along the thickness direction perpendicular to the battery pack and routed on the side of the battery pack, preventing the cable 2 from interfering with the battery cells and other components in the battery pack, thereby achieving a more compact structure of the battery pack, taking up less space, and having a higher space utilization rate.
  • the embodiment of the present invention also discloses an electric vehicle, which includes the electric connector as described above.
  • the housing 1 is installed under the chassis of the electric vehicle, and the cable 2 and the pole 3 are installed on the first mounting hole 11 and the second mounting hole 12 of the housing 1 respectively, and the opening direction of the first mounting hole 11 is not parallel to the opening direction of the second mounting hole 12.
  • the housing 1 is used to realize the setting direction of the pole 3 and the cable 2, so as to prevent the cable 2 from interfering with the components in the electric vehicle, and the housing 1 is used to realize the fixing of the pole 3 and the cable 2 on the electric connector, so that the position of the cable 2 is fixed, and the cable 2 does not need to be bent, so as to prevent the cable 2 from shaking, and effectively avoid the occurrence of loose electrical connection, greatly improve the stability and reliability of the electric vehicle, and extend the service life of the electric vehicle.
  • the housing 1 in this embodiment 2 is designed to be relatively smaller in the length direction than the housing 1 in the embodiment 1, and the structure is more compact.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

本发明公开了一种电连接器、电连接组件、电池包和电动车辆,所述电连接器包括壳体、极柱与电缆,所述壳体上开设有第一安装孔和第二安装孔,所述电缆贯穿于所述第一安装孔,所述极柱穿设于所述第二安装孔,所述电缆的一端连接于所述极柱,所述电缆的另一端向所述壳体外部延伸;其中,所述第一安装孔的开设方向与所述第二安装孔的开设方向不平行。壳体通过第一安装孔用于与电缆相连接,通过第二安装孔用于与极柱相连接,且第一安装孔的开设方向与第二安装孔的开设方向不平行,通过壳体实现调整极柱与电缆的设置方向,并通过壳体实现极柱与电缆在电连接器上的固定,有效避免了发生电连接松动现象,大大提高了稳定可靠性。

Description

电连接器、电连接组件、电池包和电动车辆
本申请要求申请日为2022年12月30日的中国发明专利申请CN2022117356268的优先权、申请日为2022年12月30日的中国实用新型专利申请CN2022236122548的优先权、以及申请日为2023年2月17日的中国发明专利申请CN202310136167X的优先权。本申请引用上述中国专利申请的全文。
技术领域
本发明涉及一种电连接器、电连接组件、电池包和电动车辆。
背景技术
电动汽车一般采用可换式的电池包,电池包可以随时取下,以进行更换或充电,在更换或充电完毕后,再安装到车体上。现有可换式结构的电动汽车中,电动汽车上的电缆通过插头插接在车端电连接器的插座上,在车体的车身支架上设置相应的安装位,电池包放入安装位后通过电池端电连接器与车体上的车端电连接器连接,再利用锁定装置进行固定。在该过程中,电池包上的电池端电连接器的电极需要与车端电连接器上的电极接触,以保证电力输出。
目前,车端电连接器和电池端电连接器的安装位置相对固定并分别设置在电动汽车和电池包上,电连接器的电缆一般都是只连接在极柱上,利用电缆自身的柔性转弯来实现角度的变化调节,电缆的弯折位置与角度均不固定,相应地连接在电连接器上的电缆在弯折部位以及连接点受电缆拉力较大,易造成电连接松动,甚至造成电连接失效或烧毁等异常,容易影响电连接稳定可靠性及使用寿命。
发明内容
本发明要解决的技术问题是为了克服现有技术中电连接器上的电缆弯折位置与角度均不固定,在弯折部位以及连接点受电缆拉力较大,易造成电连接松动的缺陷,提供一种电连接器、电连接组件、电池包和电动车辆。
本发明是通过下述技术方案来解决上述技术问题:
一种电连接器,其包括壳体、极柱与电缆,所述壳体上开设有第一安装孔和第二安装孔,所述电缆贯穿于所述第一安装孔,所述极柱穿设于所述第二安装孔,所述电缆的一端连接于所述极柱,所述电缆的另一端向所述壳体外部延伸;其中,所述第一安装孔的开设方向与所述第二安装孔的开设方向不平行。
在本方案中,采用上述结构形式,壳体通过第一安装孔用于与电缆相连接,壳体通过第二安装孔用于与极柱相连接,从而实现将电缆和极柱安装连接在壳体上,安装连接方便且牢固。同时,第一安装孔的开设方向与第二安装孔的开设方向不平行,通过壳体实现调整极柱与电缆的设置方向,并通过壳体实现极柱与电缆在电连接器上的固定,从而使电缆位置固定,防止电缆晃动,有效避免了发生电连接松动现象,大大提高了稳定可靠性,延长使用寿命。
较佳地,所述第一安装孔的开设方向垂直于所述第二安装孔的开设方向。
在本方案中,采用上述结构形式,实现极柱从壳体的正面插接,实现电缆从壳体的侧面走线,能够调整电缆的设置方向和位置,以使电连接器适用于不同的使用场景,有效避免发生干涉现象,实现结构更加紧凑,占用空间小,空间利用率更高。
较佳地,所述电缆包括连接头与电缆本体,所述电缆本体通过所述连接头与所述极柱电连接;其中,所述连接头与所述极柱之间的连接方式包括螺接、压接以及焊接中的至少一种,所述电缆本体与所述连接头之间的连接方式包括螺接、压接以及焊接中的至少一种。
在本方案中,采用上述结构形式,电缆本体与极柱之间通过连接头来实现电连接,安装连接方便,且安装连接稳定性高。同时,连接方式多样化,可以根据空间、强度等要求来选择合适的安装连接方式。
较佳地,所述连接头的一端具有连接孔,所述连接头的一端贴合抵靠于所述极柱的端部,且所述连接孔通过紧固件可拆卸地连接于所述极柱上,所述连接头的另一端具有线槽,所述电缆本体压接于所述线槽内。
在本方案中,采用上述结构形式,连接孔通过紧固件可拆卸地连接于极柱上,实现可拆卸连接,维护和更换非常方便,且连接稳定性高。连接头的另一端开设有线槽,加工制作方便;电缆本体插入至线槽并通过压接方式连接,安装连接快速且方便,且连接强度高。
较佳地,所述电连接器还包括极柱安装件,所述极柱安装件套设于所述极柱,所述极柱通过所述 极柱安装件安装于所述第二安装孔。
在本方案中,采用上述结构形式,极柱安装件具有导向作用,极柱安装件内具有沿极柱的插接方向延伸的贯穿孔,使得极柱位于贯穿孔内并在贯穿孔内沿极柱的插接方向移动,有效避免了极柱在插接的过程中产生偏移错位现象,大大提高了电连接器在电连接时的稳定可靠性。同时,极柱安装件对极柱起到防护作用,对极柱在电连接时具有良好的绝缘、密封效果,可有效解决电连接不稳定的问题,大大提高了电连接器的安全性。
较佳地,所述电连接器还包括绝缘件,所述绝缘件与所述极柱安装件连接并形成中空的腔体,所述连接头部分或全部位于所述腔体内。
在本方案中,采用上述结构形式,通过极柱安装件和绝缘件将用于包覆极柱和部分或全部的连接头,从而对极柱和连接头的连接处起到密封与绝缘防护的作用,保证了连接头与极柱之间良好连接,进一步提高了电连接器的安全性。
较佳地,所述绝缘件包括防护座和防护盖,所述防护座的一侧连接于所述极柱安装件上,所述防护盖可拆卸地连接于所述防护座的另一侧。
在本方案中,采用上述结构形式,通过防护盖便于将连接头可拆卸地连接在极柱上,实现安装连接非常方便;同时,从而对连接孔和极柱进行绝缘防护;且采用可拆卸连接方式,便于维护和更换。
较佳地,所述防护座上设置有卡扣,所述防护盖上设置有与所述卡扣相配合的卡槽,所述防护座与所述防护盖通过所述卡扣与卡槽相卡合连接。
在本方案中,采用上述结构形式,通过卡扣与卡槽以实现防护座与防护盖之间可拆卸连接,安装连接非常方便,且连接强度高;同时,结构简单,加工制作方便。
较佳地,所述电连接器还包括护套,所述护套的一端套设于所述绝缘件,所述护套的另一端套设于所述电缆本体的外周面上。
在本方案中,采用上述结构形式,通过护套和绝缘件将用于包覆连接头和至少部分的电缆本体,从而对电缆本体和连接头的连接处起到密封与绝缘防护的作用,保证了连接头与电缆本体之间良好连接,提高了电连接器的安全性。
较佳地,所述连接头部分位于所述绝缘件的腔体内,另一部分位于所述护套内。
在本方案中,采用上述结构形式,通过护套和绝缘件将完全包裹于连接头,使得绝缘件与护套相 配合以对连接头起到完整的密封与绝缘防护的作用,进一步提高了电连接器的安全性。
较佳地,所述壳体上具有沿所述第一安装孔的开设方向向内延伸和/或向外延伸的第一凸起部,所述第一安装孔位于所述第一凸起部内,所述电缆贯穿于所述第一凸起部,且所述护套伸入至所述第一凸起部内。
在本方案中,采用上述结构形式,通过第一凸起部能够有效增大壳体与电缆的连接接触面积,加强壳体与电缆之间的连接强度,实现电缆稳定固定在壳体上,安全稳定性更高。同时,护套伸入至第一凸起部的第一安装孔内,减小壳体的整体结构尺寸小,提高壳体内部的空间利用率,实现电连接器占用空间小。
较佳地,所述连接头和/或所述绝缘件伸入至所述第一凸起部内。
在本方案中,采用上述结构形式,连接头和/或绝缘件伸入至第一凸起部内,进一步实现结构更加紧凑,提高壳体内部的空间利用率,占用空间小。
较佳地,所述壳体上具有沿所述第二安装孔的开设方向向内延伸和/或向外延伸的第二凸起部,所述极柱安装件穿设于所述第二凸起部内。
在本方案中,采用上述结构形式,通过第二凸起部能够有效增大壳体与极柱安装件的连接接触面积,加强壳体与极柱安装件之间的连接强度,实现极柱安装件稳定连接在壳体上,安全稳定性更高。同时,壳体内具有密封腔,第二凸起部向内延伸而不占用外部的空间,实现结构更加紧凑。
较佳地,所述壳体内具有密封腔,所述连接头位于所述密封腔内,所述电缆本体密封连接于所述第一安装孔内,所述极柱安装件密封连接于所述第二安装孔。
在本方案中,采用上述结构形式,将连接头设置于密封腔内,电缆本体和极柱安装件均密封连接在壳体上,使得整个连接头以及连接头与电缆本体和极柱安装件的连接处均位于密封腔内,有效实现对连接头起到密封防护作用,保证了连接头与电缆本体和极柱安装件之间良好连接,大大提高了电连接器的安全稳定性。
较佳地,所述电连接器还包括格兰头,所述格兰头套设于所述电缆本体,所述格兰头与所述壳体固定连接,所述电缆本体通过所述格兰头密封连接于所述第一安装孔。
在本方案中,采用上述结构形式,通过格兰头实现将电缆紧固与密封在壳体上,使电缆不会产生轴向位移和径向的旋转或位移,保证了电缆的连接正常,有效避免了发生电连接松动现象,大大提高 了稳定可靠性,延长电连接器的使用寿命。同时,结构简单,成本低。
较佳地,所述极柱与所述电缆的数量为多个且一一对应,所述极柱包括高压极柱、低压极柱以及接地极柱中的至少一种。
在本方案中,采用上述结构形式,适用于电连接器中各种极柱与电缆的设置,应用范围广泛。
一种电连接组件,其包括两个相配合的电连接器,两个所述电连接器的极柱相连接;其中,至少一个所述电连接器为如上所述的电连接器。
在本方案中,采用上述结构形式,将电缆和极柱分别安装设置在壳体的第一安装孔和第二安装孔上,且第一安装孔的开设方向与第二安装孔的开设方向不平行,通过壳体实现调整极柱与电缆的设置方向,并通过壳体实现极柱与电缆之在电连接器上的固定,从而使电缆位置固定,防止电缆晃动,有效避免了发生电连接松动现象,大大提高了电连接组件的稳定可靠性,延长电连接组件的使用寿命。
较佳地,其中一个所述电连接器安装于电动车辆,另一个所述电连接器安装于电池包,所述电动车辆和所述电池包通过所述电连接组件电连接。
一种电池包,其包括如上所述的电连接器。
较佳地,所述第一安装孔的开设方向垂直于所述电池包的厚度方向。
在本方案中,采用上述结构形式,使得电缆能够沿着垂直于电池包的厚度方向延伸设置并在电池包的侧面走线,防止电缆与电池包内的电芯等部件产生干涉,实现电池包的结构更加紧凑,空间利用率更高。
一种电动车辆,其包括如上所述的电连接器。
在符合本领域常识的基础上,上述各优选条件,可任意组合,即得本发明各较佳实例。
本发明的积极进步效果在于:
本发明的电连接器、电连接组件、电池包和电动车辆,壳体通过第一安装孔用于与电缆相连接,通过第二安装孔用于与极柱相连接,且第一安装孔的开设方向与第二安装孔的开设方向不平行,通过壳体实现极柱与电缆的设置方向,并通过壳体实现极柱与电缆在电连接器上的固定,从而使电缆位置固定,防止电缆晃动,有效避免了发生电连接松动现象,大大提高了稳定可靠性,延长使用寿命。
附图说明
图1为本发明实施例1的电连接器的结构示意图。
图2为图1中A-A方向的剖视结构示意图。
图3为本发明实施例1的电连接器的内部结构示意图。
图4为本发明实施例2的电连接器的结构示意图。
图5为图4中B-B方向的剖视结构示意图。
图6为本发明实施例2的电连接器的内部结构示意图。
附图标记说明:
壳体1,第一安装孔11,第二安装孔12,密封腔13,第一凸起部14,第二凸起部15,电缆2,
电缆本体21,连接头22,连接孔221,线槽222,极柱3,极柱安装件4,绝缘件5,防护座51,防护盖52,护套6,格兰头7。
具体实施方式
下面通过实施例的方式并结合附图来更清楚完整地说明本发明,但并不因此将本发明限制在的实施例范围之中。
实施例1
本发明实施例公开了一种电连接组件,该电连接组件包括两个相配合的电连接器,其中一个电连接器安装于电动车辆,另一个电连接器安装于电池包,位于电动车辆上的电连接器与位于电池包上的电连接器之间相互配合电连接,从而实现电动车辆和电池包通过电连接组件电连接。
如图1、图2和图3所示,该电连接器包括壳体1、极柱3与电缆2,壳体1上开设有第一安装孔11和第二安装孔12,电缆2贯穿于第一安装孔11,极柱3穿设于第二安装孔12,电缆2的一端连接于极柱3,电缆2的另一端向壳体1外部延伸;其中,第一安装孔11的开设方向与第二安装孔12的开设方向不平行。
壳体1通过第一安装孔11用于与电缆2相连接,壳体1通过第二安装孔12用于与极柱3相连接,使得电缆2穿过第一安装孔11伸入至壳体1内,极柱3穿过第二安装孔12也伸入至壳体1内,且电缆2与极柱3在壳体1相连接,从而实现将电缆2和极柱3安装连接在壳体1上,安装连接方便且牢固。同时,第一安装孔11的开设方向与第二安装孔12的开设方向不平行,通过壳体1实现调整 极柱3与电缆2的设置方向,并通过壳体1实现极柱3与电缆2在电连接器上的固定,从而无需电缆2弯折,使电缆2的位置固定,防止电缆2晃动,有效避免了发生电连接松动现象,大大提高了稳定可靠性,延长电连接器的使用寿命。
在电连接组件中,两个相配合的电连接器之间通过极柱3相互插接以实现电连接,其中,至少一个电连接器为如上所述的电连接器,该电连接器可以安装在电池包上,也可以安装在电动车辆上。
在本实施例中,极柱3沿着极柱3的插接方向延伸设置,电缆2沿着垂直于极柱3的插接方向延伸设置,具体地,第一安装孔11的开设方向垂直于第二安装孔12的开设方向。使得电缆2能够沿着垂直于极柱3的长度方向延伸设置,实现极柱3从壳体1的正面插接,实现电缆2从壳体1的侧面走线,能够调整电缆2的设置方向和位置,以使电连接器适用于不同的使用场景,有效避免电缆2与电动车辆或电池包内的部件发生干涉现象,实现结构更加紧凑,占用空间小,空间利用率更高。
当然,在其他实施例中,第一安装孔11的开设方向与第二安装孔12的开设方向之间所形成的夹角可以不作限定。
极柱3与电缆2的数量为多个且一一对应,极柱3包括高压极柱、低压极柱以及接地极柱中的至少一种。在本实施例中,极柱3与电缆2的数量为六个且一一对应,六个极柱3均为高压极柱。当然,在壳体1上也可以安装连接低压极柱以及接地极柱并与电缆2实现电连接,安全稳定性高,应用范围广泛,且结构更加紧凑。
电缆2包括连接头22与电缆本体21,电缆本体21通过连接头22与极柱3电连接;其中,连接头22与极柱3之间的连接方式包括螺接、压接以及焊接中的至少一种,电缆本体21与连接头22之间的连接方式包括螺接、压接以及焊接中的至少一种。电缆本体21与极柱3之间通过连接头22来实现电连接,安装连接方便,且安装连接稳定性高。同时,连接方式多样化,可以根据空间、强度等要求来选择合适的安装连接方式。
连接头22的一端具有连接孔221,连接头22的一端贴合抵靠于极柱3的端部,且连接孔221通过紧固件可拆卸地连接于极柱3上,连接头22的另一端具有线槽222,电缆本体21压接于线槽222内。具体地,连接头22的一端为扁平状结构,连接孔221开设与扁平状结构上,且扁平状结构贴合抵靠于极柱3的端部,连接孔221通过紧固件可拆卸地连接于极柱3上,实现可拆卸连接,维护和更换非常方便,且连接稳定性高。连接头22的另一端开设有线槽222,加工制作方便;电缆本体21插 入至线槽222并通过压接方式连接,安装连接快速且方便,且连接强度高。
电连接器还包括极柱安装件4,极柱安装件4套设于极柱3,极柱3通过极柱安装件4安装于第二安装孔12。极柱安装件4具有导向作用,极柱安装件4内具有沿极柱3的插接方向延伸的贯穿孔,使得极柱3位于贯穿孔内并在贯穿孔内沿极柱3的插接方向移动,有效避免了极柱3在插接的过程中产生偏移错位现象,大大提高了电连接器在电连接时的稳定可靠性。同时,极柱安装件4对极柱3起到防护作用,对极柱3在电连接时具有良好的绝缘、密封效果,可有效解决电连接不稳定的问题,大大提高了电连接器的安全性。
在本实施中,如图2和图3所示,电连接器还包括绝缘件5,绝缘件5与极柱安装件4连接并形成中空的腔体,连接头22的部分结构位于该腔体内。绝缘件5位于壳体1内并与极柱安装件4相连接,通过极柱安装件4和绝缘件5将用于包覆极柱3和至少部分的连接头22,从而对极柱3和连接头22的连接处起到密封与绝缘防护的作用,保证了连接头22与极柱3之间良好连接,进一步提高了电连接器的安全性。当然,在其他实施例中,连接头22的全部结构也可以位于绝缘件5与极柱安装件4连接并形成中空的腔体内,使得绝缘件5和极柱安装件4将全部包覆于连接头22并对连接头22起到密封与绝缘防护的作用。
绝缘件5包括防护座51和防护盖52,防护座51的一侧连接于极柱安装件4上,防护盖52可拆卸地连接于防护座51的另一侧。防护座51的一侧先与极柱安装件4之间安装连接,防护座51的另一侧开设有安装口,紧固件将穿过安装口与连接孔221和极柱3相连接,从而将连接头22可拆卸地连接在极柱3上,实现安装连接非常方便;最后将防护盖52连接于防护座51的另一侧以完全遮盖安装口,从而对连接孔221和极柱3进行绝缘防护;且采用可拆卸连接方式,便于维护和更换。
在本实施例中,防护座51上设置有卡扣,防护盖52上设置有与卡扣相配合的卡槽,防护座51与防护盖52通过卡扣与卡槽相卡合连接。通过卡扣与卡槽以实现防护座51与防护盖52之间可拆卸连接,安装连接非常方便,且连接强度高;同时,结构简单,加工制作方便。
电连接器还包括护套6,护套6的一端套设于绝缘件5,护套6的另一端套设于电缆本体21的外周面上。护套6位于壳体1内并与绝缘件5和电缆本体21相连接,通过护套6和绝缘件5将用于包覆连接头22和至少部分的电缆本体21,从而对电缆本体21和连接头22的连接处起到密封与绝缘防护的作用,保证了连接头22与电缆本体21之间良好连接,提高了电连接器的安全性。
在本实施例中,连接头22部分位于绝缘件5的腔体内,另一部分位于护套6内。连接头22的部分结构位于绝缘件5内,其余部分结构位于护套6内,通过护套6和绝缘件5将完全包裹于连接头22,从而使得绝缘件5与护套6相配合以对连接头22起到完整的密封与绝缘防护的作用,进一步提高了电连接器的安全性。
壳体1内具有密封腔13,连接头22位于密封腔13内,电缆本体21密封连接于第一安装孔11内,极柱安装件4密封连接于第二安装孔12。将连接头22设置于密封腔13内,电缆本体21和极柱安装件4均密封连接在壳体1上,使得整个连接头22以及连接头22与电缆本体21和极柱安装件4的连接处均位于密封腔13内,有效实现对连接头22起到密封与绝缘防护的作用,保证了连接头22与电缆本体21和极柱安装件4之间良好连接,大大提高了电连接器的安全稳定性。
在本实施例中,电连接器还包括格兰头7,格兰头7套设于电缆本体21,格兰头7与壳体1固定连接,电缆本体21通过格兰头7密封连接于第一安装孔11。通过格兰头7将电缆本体21安装固定连接在壳体1的第一安装孔11上,从而实现将电缆2紧固与密封在壳体1上,使电缆2不会产生轴向位移和径向的旋转或位移,保证了电缆2的连接正常,有效避免了发生电连接松动现象,大大提高了稳定可靠性,延长电连接器的使用寿命。同时,结构简单,成本低。
在本实施例中,壳体1上具有沿第二安装孔12的开设方向向内延伸的第二凸起部15,极柱安装件4穿设于第二凸起部15内。通过第二凸起部15能够有效增大壳体1与极柱安装件4的连接接触面积,加强壳体1与极柱安装件4之间的连接强度,实现极柱安装件4稳定连接在壳体1上,安全稳定性更高。同时,壳体1内具有密封腔13,第二凸起部15向内延伸而不占用外部的空间,实现结构更加紧凑。当然,在其他实施例中,壳体1上也可以具有沿第二安装孔12的开设方向向外延伸的第二凸起部15,极柱安装件4穿设于第二凸起部15内。能进一步增大壳体1与极柱安装件4的连接接触面积,进一步提高连接稳定性。
本发明实施例还公开了一种电池包,该电池包包括如上所述的电连接器。将电缆2和极柱3分别安装设置在壳体1的第一安装孔11和第二安装孔12上,且第一安装孔11的开设方向与第二安装孔12的开设方向不平行,通过壳体1实现调整方向并实现极柱3与电缆2之间电连接,从而无需电缆2弯折,防止电缆2晃动,有效避免了发生电连接松动现象,大大提高了电池包的稳定可靠性,延长电池包的使用寿命。
其中,第一安装孔11的开设方向垂直于电池包的厚度方向。使得电缆2能够沿着垂直于电池包的厚度方向延伸设置并在电池包的侧面走线,防止电缆2与电池包内的电芯等部件产生干涉,实现电池包的结构更加紧凑,占用空间小,空间利用率更高。
本发明实施例还公开了一种电动车辆,该电动车辆包括如上所述的电连接器。壳体1将安装设置在电动车辆的底盘下,将电缆2和极柱3分别安装设置在壳体1的第一安装孔11和第二安装孔12上,且第一安装孔11的开设方向与第二安装孔12的开设方向不平行,通过壳体1实现极柱3与电缆2的设置方向,防止电缆2与电动车辆内的部件发生干涉,并通过壳体1实现极柱3与电缆2在电连接器上的固定,从而使电缆2位置固定,无需电缆2弯折,防止电缆2晃动,有效避免了发生电连接松动现象,大大提高了电动车辆的稳定可靠性,延长电动车辆的使用寿命。
实施例2
如图4、图5和图6所示,本实施例的电连接器的结构与实施例1的相同部分不再复述,仅对不同之处作说明。在本实施例2中的壳体1相对于实施例1中的壳体1设计成在长度方向上相对较小,结构更加紧凑。
在本实施例2中,壳体1上具有沿第一安装孔11的开设方向向外延伸的第一凸起部14,第一安装孔11位于第一凸起部14内,电缆2贯穿于第一凸起部14,且护套6伸入至第一凸起部14内。通过第一凸起部14沿第一安装孔11的开设方向向外延伸出壳体1的外表面,第一安装孔11位于第一凸起部14内,电缆本体21通过格兰头7密封连接于第一安装孔11,即电缆2将密封安装在第一凸起部14。通过第一凸起部14能够有效增大壳体1与电缆2的连接接触面积,加强壳体1与电缆2之间的连接强度,实现电缆2稳定固定在壳体1上,安全稳定性更高。同时,护套6伸入至第一凸起部14的第一安装孔11内,减小壳体1的整体结构尺寸,提高壳体1内部的空间利用率,实现电连接器占用空间小。
当然,在其他实施例中,壳体1上也可以具有沿第一安装孔11的开设方向向内延伸的第一凸起部14,有效避免向外延伸发生干涉现象。
其中,第一凸起部14采用可拆卸地连接方式连接于壳体1上并向外延伸,从而可以对第一凸起部14向外延伸的长度进行更换调整,从而避免干涉现象;也便于安装连接在壳体1内并向内延伸。
在本实施例2中,连接头22伸入至第一凸起部14内。连接头22的部分结构位于护套6内并伸 入至第一凸起部14内,进一步实现结构更加紧凑,占用空间小。
绝缘件5伸入至第一凸起部14内。绝缘件5的两端分别连接于极柱安装件4和护套6,且绝缘件5的部分结构将伸入至第一凸起部14内,进一步实现结构更加紧凑,占用空间小。
虽然以上描述了本发明的具体实施方式,但是本领域的技术人员应当理解,这仅是举例说明,本发明的保护范围是由所附权利要求书限定的。本领域的技术人员在不背离本发明的原理和实质的前提下,可以对这些实施方式做出多种变更或修改,但这些变更和修改均落入本发明的保护范围。

Claims (20)

  1. 一种电连接器,其特征在于,其包括壳体、极柱与电缆,所述壳体上开设有第一安装孔和第二安装孔,所述电缆贯穿于所述第一安装孔,所述极柱穿设于所述第二安装孔,所述电缆的一端连接于所述极柱,所述电缆的另一端向所述壳体外部延伸;其中,所述第一安装孔的开设方向与所述第二安装孔的开设方向不平行。
  2. 如权利要求1所述的电连接器,其特征在于,所述第一安装孔的开设方向垂直于所述第二安装孔的开设方向。
  3. 如权利要求1或2所述的电连接器,其特征在于,所述电缆包括连接头与电缆本体,所述电缆本体通过所述连接头与所述极柱电连接;其中,所述连接头与所述极柱之间的连接方式包括螺接、压接以及焊接中的至少一种,所述电缆本体与所述连接头之间的连接方式包括螺接、压接以及焊接中的至少一种。
  4. 如权利要求3所述的电连接器,其特征在于,所述连接头的一端具有连接孔,所述连接头的一端贴合抵靠于所述极柱的端部,且所述连接孔通过紧固件可拆卸地连接于所述极柱上,所述连接头的另一端具有线槽,所述电缆本体压接于所述线槽内。
  5. 如权利要求3或4所述的电连接器,其特征在于,所述电连接器还包括极柱安装件,所述极柱安装件套设于所述极柱,所述极柱通过所述极柱安装件安装于所述第二安装孔。
  6. 如权利要求5所述的电连接器,其特征在于,所述电连接器还包括绝缘件,所述绝缘件与所述极柱安装件连接并形成中空的腔体,所述连接头部分或全部位于所述腔体内。
  7. 如权利要求6所述的电连接器,其特征在于,所述绝缘件包括防护座和防护盖,所述防护座的一侧连接于所述极柱安装件上,所述防护盖可拆卸地连接于所述防护座的另一侧。
  8. 如权利要求7所述的电连接器,其特征在于,所述防护座上设置有卡扣,所述防护盖上设置有与所述卡扣相配合的卡槽,所述防护座与所述防护盖通过所述卡扣与卡槽相卡合连接。
  9. 如权利要求6-8中任一项所述的电连接器,其特征在于,所述电连接器还包括护套,所述护套的一端套设于所述绝缘件,所述护套的另一端套设于所述电缆本体的外周面上。
  10. 如权利要求9所述的电连接器,其特征在于,所述连接头部分位于所述绝缘件的腔体内,另一部分位于所述护套内。
  11. 如权利要求9或10所述的电连接器,其特征在于,所述壳体上具有沿所述第一安装孔的开设方向向内延伸和/或向外延伸的第一凸起部,所述第一安装孔位于所述第一凸起部内,所述电缆贯穿于所述第一凸起部,且所述护套伸入至所述第一凸起部内。
  12. 如权利要求11所述的电连接器,其特征在于,所述连接头和/或所述绝缘件伸入至所述第一凸起部内。
  13. 如权利要求5-12中任一项所述的电连接器,其特征在于,所述壳体上具有沿所述第二安装孔的开设方向向内延伸和/或向外延伸的第二凸起部,所述极柱安装件穿设于所述第二凸起部内。
  14. 如权利要求5-12中任一项所述的电连接器,其特征在于,所述壳体内具有密封腔,所述连接头位于所述密封腔内,所述电缆本体密封连接于所述第一安装孔内,所述极柱安装件密封连接于所述第二安装孔。
  15. 如权利要求14所述的电连接器,其特征在于,所述电连接器还包括格兰头,所述格兰头套设于所述电缆本体,所述格兰头与所述壳体固定连接,所述电缆本体通过所述格兰头密封连接于所述第一安装孔。
  16. 如权利要求1-15中任一项所述的电连接器,其特征在于,所述极柱与所述电缆的数量为多个且一一对应,所述极柱包括高压极柱、低压极柱以及接地极柱中的至少一种。
  17. 一种电连接组件,其特征在于,其包括两个相配合的电连接器,两个所述电连接器的极柱相连接;其中,至少一个所述电连接器为如权利要求1-16中任意一项所述的电连接器;
    优选地,其中一个所述电连接器安装于电动车辆,另一个所述电连接器安装于电池包,所述电动车辆和所述电池包通过所述电连接组件电连接。
  18. 一种电池包,其特征在于,其包括如权利要求1-16中任意一项所述的电连接器。
  19. 如权利要求18所述的电池包,其特征在于,所述第一安装孔的开设方向垂直于所述电池包的厚度方向。
  20. 一种电动车辆,其特征在于,其包括如权利要求1-16中任意一项所述的电连接器。
PCT/CN2023/141674 2022-12-30 2023-12-25 电连接器、电连接组件、电池包和电动车辆 WO2024140609A1 (zh)

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