CN115958959A - 牵引电池电路中断器总成和中断方法 - Google Patents

牵引电池电路中断器总成和中断方法 Download PDF

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CN115958959A
CN115958959A CN202211192612.6A CN202211192612A CN115958959A CN 115958959 A CN115958959 A CN 115958959A CN 202211192612 A CN202211192612 A CN 202211192612A CN 115958959 A CN115958959 A CN 115958959A
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traction battery
protrusion
connector
assembly
electrical harness
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素里亚普拉卡什·艾扬格尔·贾纳森南
约翰·马歇尔
维贾伊·帕科尔
迈卡·史密斯
B·D·毕晓普
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Ford Global Technologies LLC
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/50Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64Constructional details of batteries specially adapted for electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
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    • B60L3/0007Measures or means for preventing or attenuating collisions
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B60L3/0023Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
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    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/04Cutting off the power supply under fault conditions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/50Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/51Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/50Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66Arrangements of batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/0207Wire harnesses
    • 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
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62933Comprising exclusively pivoting lever
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00Electrical machine types; Structures or applications thereof
    • B60L2220/10Electrical machine types
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    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
    • H01R13/635Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only by mechanical pressure, e.g. spring force
    • 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
    • H01R13/66Structural association with built-in electrical component
    • H01R13/70Structural association with built-in electrical component with built-in switch
    • H01R13/707Structural association with built-in electrical component with built-in switch interlocked with contact members or counterpart
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00Connectors or connections adapted for particular applications
    • H01R2201/26Connectors or connections adapted for particular applications for vehicles
    • 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
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Abstract

本公开提供了“牵引电池电路中断器总成和中断方法”。一种根据本公开的示例性方面的牵引电池总成包括牵引电池、电机、电气线束总成、与所述电气线束总成相邻的突起。所述突起被配置为响应于装载事件而从第一位置移动到第二位置。当所述突起处于所述第一位置时,所述电机通过所述电气线束总成电耦合到所述牵引电池。当所述突起处于所述第二位置时,所述电机与所述牵引电池电解耦。

Description

牵引电池电路中断器总成和中断方法
技术领域
本公开总体上涉及一种响应于装载事件而移动以使牵引电池与电机电解耦的结构。解耦可快速从牵引电池断开高压并抑制电能从牵引电池流出。
背景技术
电动化车辆不同于常规的机动车辆,因为电动化车辆使用由牵引电池供电的一个或多个电机来选择性地驱动。电机可代替内燃发动机或作为内燃发动机的补充来驱动电动化车辆。示例性电动化车辆包括混合动力电动车辆(HEV)、插电式混合动力电动车辆(PHEV)、燃料电池车辆(FCV)和电池电动车辆(BEV)。
发明内容
一种根据本公开的示例性方面的牵引电池总成包括牵引电池、电机、电气线束总成、与所述电气线束总成相邻的突起。所述突起被配置为响应于装载事件而从第一位置移动到第二位置。当所述突起处于所述第一位置时,所述电机通过所述电气线束总成电耦合到所述牵引电池。当所述突起处于所述第二位置时,所述电机与所述牵引电池电解耦。
在前述总成的另一示例中,所述突起是所述电机的壳体的突片。
在前述总成中的任一个的另一示例中,所述突片是***。
在前述总成中的任一个的另一示例中,所述突片包括被配置为接纳吊钩(lifthook)的孔。
在前述总成中的任一个的另一示例中,所述壳体是铝的。
在前述总成中的任一个的另一示例中,所述突起是车辆的延伸部。
在前述总成中的任一个的另一示例中,所述电气线束总成包括连接器和多根电缆。处于所述第二位置的所述突起直接接触所述连接器、所述多根电缆或两者。
在前述总成中的任一个的另一示例中,处于所述第二位置的所述突起直接接触所述连接器与所述多根电缆之间的接口。
在前述总成中的任一个的另一示例中,当所述突起处于所述第二位置时,所述多根电缆与所述连接器电解耦。
在前述总成中的任一个的另一示例中,将所述突起移动到所述第二位置使所述连接器悬立。
在前述总成中的任一个的另一示例中,所述连接器是高压互锁回路连接器。
在前述总成中的任一个的另一示例中,所述连接器是九十度连接器。
在前述总成中的任一个的另一示例中,所述电机是在电动化车辆内位于所述牵引电池后面的牵引马达。
一种根据本公开的另一示例性方面的牵引电池电路中断方法除其他外包括:使用电气线束总成将电机电耦合到牵引电池;以及响应于装载事件,将突起从第一位置移动到第二位置。当所述突起处于所述第一位置时,所述电机通过所述电气线束总成电耦合到所述牵引电池。当所述突起处于所述第二位置时,所述电机与所述牵引电池电解耦。
在前述方法的另一示例中,所述突起是所述电机的壳体的延伸部。
在前述方法中的任一个的另一示例中,将所述突起从所述第一位置移动到所述第二位置使所述电气线束总成的连接器悬立以使所述电气线束总成与所述牵引电池解耦。
在前述方法中的任一个的另一示例中,当所述突起处于所述第一位置时,所述突起与所述电气线束总成的连接器间隔开。当所述突起处于所述第二位置时,所述突起直接接触所述连接器。
前述方法的任一个的另一示例包括使用所述突起作为提升辅助装置。
前述方法中的任一个的另一示例包括在所述电机的组装期间将所述突起用作***。
可独立地或以任何组合方式采用前述段落、权利要求或以下描述和附图的实施例、示例和替代方案,包括它们的各种方面或相应各个特征中的任何一个。结合一个实施例描述的特征适用于所有实施例,除非此类特征是不兼容的。
附图说明
根据具体实施方式,所公开示例的各种特征和优点对于本领域技术人员而言将变得显而易见。随附于具体实施方式的附图可以简要地描述如下:
图1示出了示例性电动化车辆的侧视图。
图2示出了图1的电动化车辆的高度示意图。
图3示出了图1的电动化车辆的选定部分以及具体地设置在电机的壳体上的牵引电池和突起的部分的底视图。
图4示出了在向电动化车辆的后部施加装载事件之后图3的区域。
图5示出了图4中的区域5的特写图。
具体实施方式
本公开详述了有助于管理电动化车辆内的电能的结构特征。
参见图1,示例性电动化车辆10包括电池14、电机18、车轮22和控制器模块26。
在该示例中,电机18可从电池14接收电力。电机18是将电力转换为扭矩以驱动车轮22的牵引马达。示例性牵引电池14是相对高压牵引电池。
电气线束总成20耦合到牵引电池14和电机18。牵引电池14通过电气线束总成20为电机18供电。
示例性车辆10是纯电动车辆。在其他示例中,电动化车辆10是混合动力电动车辆,其选择性地使用由内燃发动机(替代电机18或者是对电机18的补充)提供的扭矩来驱动车轮。
示例性车辆10包括单个电机。在其他示例中,车辆10可包括多于一个电机。车辆10的电机18相对于车辆10的取向位于牵引电池14的后方。
车辆10可能由于例如另一车辆接触车辆10而经历装载事件。在一个示例中,由于装载事件,载荷L被施加到车辆10的后部。载荷L使电机18移动得更靠近牵引电池14。
车辆10包括有助于在装载事件期间和之后控制高压的特征。例如,响应于传感器检测到装载事件,控制器模块26可自动命令牵引电池14的接触器断开,这减少了从牵引电池14流到车辆10的其他区域的电能。
在示例性实施例中,车辆10包括用于控制高压的其他特征。例如,参考图2至图5,电机18的壳体36包括在装载事件之前与电气线束总成20相邻的突起40。载荷使电机18相对朝向牵引电池14移位,从而使突起40直接接触电气线束总成20。突起40使电气线束总成20破裂。一旦破裂,电线束总成20就无法将电能输送到电机18,这有助于将高压容纳在牵引电池14内。
电气线束总成20包括连接器44和多根电缆48。电缆48从连接器44延伸,所述连接器是直接耦合到牵引电池14的九十度型连接器。引导件52有助于保持和控制电缆48的位置,在所述位置电缆48从连接器44延伸。
连接器44是高压互锁回路连接器。如本领域技术人员将理解的,这种连接器44可与牵引电池14的连接器耦合。当耦合时,连接器44上的管脚被接纳在牵引电池14的连接器的端子内。当连接器44移位使得管脚被拉出端子时,控制器模块26断开牵引电池14的接触器以切断到连接器44的高压。
连接器44可以是防手指的。即使在电气线束总成20破裂之后,连接器44也可阻止与连接器44的内部区域的接触。在一些示例中,当检测到破裂时,连接器44可向控制器模块26发送信号。控制器模块26可断开牵引电池14内的接触器,以减少从牵引电池14流出的高压电能。
突起40的尺寸和位置被设计成当施加载荷L时直接接触并压靠在连接器44和电缆48之间的接口I上。将突起40压靠在接口I上使电缆48与连接器44电解耦,这使电机18与牵引电池14电解耦。电解耦快速断开高压(HV)并抑制电能从牵引电池14流出。
虽然突起40是壳体36的一部分,但突起40可替代地位于其他区域或另一结构的一部分中。例如,突起40可从车辆10的车架54延伸。
在装载事件之前,突起40处于第一位置,其中突起40与电气线束总成20相邻但间隔开。当突起40处于第一位置时,电气线束总成20将电机18电耦合到牵引电池14。
在载荷L使突起40从第一位置移动到不同的第二位置之后,突起40已使电气线束总成20破裂。当突起40处于第二位置时,电机18与牵引电池14电解耦。一种利用突起40进行的中断方法包括响应于装载事件,将突起40从第一位置移动到第二位置。
在该示例中,处于第二位置的突起40在连接器44和电缆48之间的接口I处直接接触连接器44和电缆48两者。将突起40移动到第二位置使连接器44悬立。在其他示例中,突起40直接接触连接器44或电缆48。
在示例性实施例中,突起40是电机18的壳体36的突片或延伸部。在该示例中,壳体36是铝的。壳体36可保持逆变器60以及电机18的其他部件。壳体36可以是铸造的。
具体地,示例性突起40从壳体36的周围部分突出并且包括孔64。具有孔64的示例性突起40用作组装辅助装置。具体地,突起40可在电机18和车辆10的组装期间用作***和提升辅助装置。例如,孔64可接纳吊钩。突起40可用于在电机18内部的各种内部部件的组装期间将壳体36定位并限制在生产线托盘上。
示例性实施例的特征包括一种***,所述***并入有多种方式来在具有牵引电池组的车辆经历装载事件时,抑制电能从牵引电池组流出。首先,控制器可响应于传感器检测到装载事件而断开接触器。其次,控制器可响应于HVIL电路的破裂而断开接触器。第三,突起可使接触器物理地破裂以使接触器与牵引电池电解耦。
先前描述在本质上是示例性的而非限制性的。对所公开的示例作出的变化和修改对于本领域技术人员而言可能变得显而易见,所述变化和修改不一定脱离本公开的本质。因此,只能通过研究所附权利要求来确定赋予本公开的保护范围。

Claims (15)

1.一种牵引电池总成,其包括:
牵引电池;
电机;
电气线束总成;以及
突起,所述突起与所述电气线束组件相邻,所述突起被配置为响应于装载事件而从第一位置移动到第二位置,
当所述突起处于所述第一位置时,所述电机通过所述电气线束总成电耦合到所述牵引电池,
当所述突起处于所述第二位置时,所述电机与所述牵引电池电解耦。
2.如权利要求1所述的牵引电池总成,其中所述突起是所述电机的壳体的突片,并且任选地,其中所述突片是***。
3.如权利要求2所述的牵引电池总成,其中所述突片包括被配置为接纳吊钩的孔。
4.如权利要求2所述的牵引电池总成,其中所述壳体是铝的。
5.如权利要求1所述的牵引电池总成,其中所述突起是车辆的延伸部。
6.如权利要求1所述的牵引电池总成,其中所述电气线束总成包括连接器和多根电缆,其中当所述突起处于所述第二位置时,所述突起直接接触所述连接器、所述多根电缆或两者,并且任选地,
其中当所述突起处于所述第二位置时,所述突起直接接触所述连接器与所述多根电缆之间的接口。
7.如权利要求6所述的牵引电池总成,其中当所述突起处于所述第二位置时,所述多根电缆与所述连接器电解耦。
8.如权利要求6所述的牵引电池总成,其中将所述突起移动到所述第二位置使所述连接器悬立,并且任选地,其中所述连接器是九十度连接器。
9.如权利要求8所述的牵引电池总成,其中所述连接器是高压互锁回路连接器。
10.如权利要求1所述的牵引电池总成,其中所述电机是在电动化车辆内位于所述牵引电池后面的牵引马达。
11.一种牵引电池电路中断方法,其包括:
使用电气线束总成将电机电耦合到牵引电池;以及
响应于装载事件,将突起从第一位置移动到第二位置,
当所述突起处于所述第一位置时,所述电机通过所述电气线束总成电耦合到所述牵引电池,
当所述突起处于所述第二位置时,所述电机与所述牵引电池电解耦。
12.如权利要求11所述的牵引电池电路中断方法,其中所述突起是所述电机的壳体的延伸部,并且任选地,所述方法还包括使用所述突起作为提升辅助装置。
13.如权利要求11所述的牵引电池电路中断方法,其中将所述突起从所述第一位置移动到所述第二位置使所述电气线束总成的连接器悬立以使所述电气线束总成与所述牵引电池解耦。
14.如权利要求11所述的牵引电池电路中断方法,其中当所述突起处于所述第一位置时,所述突起与所述电气线束总成的连接器间隔开,其中当所述突起处于所述第二位置时,所述突起直接接触所述连接器。
15.如权利要求11所述的牵引电池电路中断方法,其还包括在所述电机的组装期间将所述突起用作***。
CN202211192612.6A 2021-10-11 2022-09-28 牵引电池电路中断器总成和中断方法 Pending CN115958959A (zh)

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