Summary of Fatal Faults in Drive Motor System of New Energy Vehicles

1

Lub npe txhaum: stator winding

Fais fab hom: Burnout

Cov lus piav qhia tsis raug: Lub cev muaj zog windings raug hlawv vim qhov luv luv lossis kev ua haujlwm siab ntawm lub cev muaj zog, thiab lub cev muaj zog yuav tsum tau hloov

2

Lub npe txhaum: stator winding

Failure Mode: Kev tawg

Cov lus piav qhia tsis raug: Lub rwb thaiv tsev tawg ntawm lub cev muaj zog winding ua rau luv luv Circuit Court hauv lub cev muaj zog los yog luv luv Circuit Court ntawm lem ntawm winding, thiab lub cev muaj zog yuav tsum tau hloov.

3

Lub npe txhaum: lub cev muaj zog ceev / txoj hauj lwm sensor

Hom Failure: Kev Ua Haujlwm Tsis Ua Haujlwm

Fault Description: Lub cev muaj zog ceev / txoj hauj lwm teeb liab tsis tuaj yeem tsim, ua rau lub cev muaj zog tsav tsis ua haujlwm

4

Lub npe txhaum: rotor spline

Hom Failure: Fractured los yog chipped

Kev piav qhia yuam kev: Lub rotor spline yog tawg lossis polished, thiab lub torque tsis tuaj yeem kis tau

5

Lub npe tsis raug: Wiring board

Fais fab hom: Burnout

Fault Description: Kev sib txuas hluav taws xob ntawm tus maub los thiab lub cev muaj zog tsis ua haujlwm thiab yuav tsum tau hloov

6

Lub npe tsis raug: Wiring board

Failure Mode: Kev tawg

Cov lus piav qhia tsis raug: luv luv ntawm cov kab tso zis ntawm tus maub los lossis luv luv Circuit Court rau lub plhaub

7

Lub npe txhaum: lub cev muaj zog bearing

Hom Failure: Fragmentation

Kev piav qhia yuam kev: Lub cev muaj zog cov kabmob tawg thiab tsis tuaj yeem txhawb nqa lub rotor ib txwm, lub cev muaj zog yuav tsum tau hloov

8

Lub npe txhaum: lub cev muaj zog bearing

Fais fab hom: Burnout

Fault Description: Lub cev muaj zog bearing kub siab dhau lawm

9

Lub npe txhaum: Controller Capacitance

Fais fab hom: Burnout

Kev piav qhia yuam kev: Lub capacitor nws tus kheej lossis kev sib txuas ntawm tus maub los tsis raug thiab yuav tsum tau hloov

10

Lub npe txhaum: Controller Capacitance

Failure Mode: Kev tawg

Fault Description: luv Circuit Court ntawm qhov zoo thiab tsis zoo ncej ntawm tus maub los capacitor los yog rau lub plhaub, yuav tsum tau hloov

11

Lub npe txhaum: maub los lub zog ntaus ntawv

Fais fab hom: Burnout

Cov lus piav qhia tsis raug: Lub tshuab hluav taws xob ua haujlwm tsis ua haujlwm thiab yuav tsum tau hloov pauv

12

Lub npe txhaum: maub los lub zog ntaus ntawv

Failure Mode: Kev tawg

Kev piav qhia yuam kev: luv luv ntawm lub anode, cathode thiab lub rooj vag ntawm lub hwj chim ntaus ntawv los yog lub davhlau ya nyob twg rau lub plhaub, yuav tsum tau hloov

13

Lub npe txhaum: Controller Voltage / Tam sim no Sensor

Fais fab hom: Burnout

Cov lus piav qhia tsis raug: Lub sensor ua haujlwm tsis ua haujlwm, ua rau tus maub los ua haujlwm tsis zoo thiab yuav tsum tau hloov pauv

14

Lub npe txhaum: Controller Voltage / Tam sim no Sensor

Failure Mode: Kev tawg

Fault Description: Lub sensor yog luv luv ntawm cov ncej zoo thiab tsis zoo los yog mus rau lub plhaub, ua rau tus maub los tsis ua hauj lwm ib txwm thiab yuav tsum tau hloov.

15

Lub npe txhaum: charging contactor / main contactor

Fais fab hom: Burnout

Cov lus piav qhia tsis raug: Lub pob xaim lossis kev sib cuag ntawm tus contactor raug hlawv, ua rau kev ua haujlwm tsis ua haujlwm thiab yuav tsum tau hloov

16

Lub npe txhaum: charging contactor / main contactor

Hom Failure: Clearance Out of Tolerance

Cov lus piav qhia yuam kev: Tus contactor tsis tuaj yeem ntseeg tau los yog txiav tawm, ua rau tus maub los ua haujlwm tsis zoo thiab yuav tsum tau hloov pauv.

17

Lub npe txhaum: Circuit Board

Fais fab hom: Burnout

Fault Description: Qee cov khoom ntawm lub rooj tsav xwm hauv Circuit Court raug hlawv, ua rau poob ntawm qee qhov lossis tag nrho cov haujlwm ntawm lub rooj tsavxwm Circuit Court, thiab tus maub los tsis tuaj yeem ua haujlwm.

18

Lub npe txhaum: Circuit Board

Failure Mode: Kev tawg

Cov lus piav qhia tsis raug: Qee cov khoom ntawm lub rooj tsav xwm hauv Circuit Court puas tawg lossis qhov chaw nyob ua rau ntawm qhov kev txhawb nqa thiab lub plhaub, ua rau poob ntawm qee qhov lossis tag nrho cov haujlwm ntawm pawg tswj hwm, thiab tus maub los tsis tuaj yeem ua haujlwm li qub.

19

Lub npe txhaum: Charging resistor

Fais fab hom: Burnout

Fault Description: Tus maub los tsis tuaj yeem ua haujlwm ib txwm thiab yuav tsum tau hloov

20

Lub npe tsis raug: Fuse

Fais fab hom: Burnout

Fault Description: Tus maub los tsis tuaj yeem ua haujlwm ib txwm thiab yuav tsum tau hloov

nees nkaum ib

Lub npe txhaum: cables thiab connectors

Fais fab hom: Burnout

Cov lus piav qhia tsis raug: Cov cables thiab cov khoom sib txuas yog luv luv los yog hauv av vim hnav lossis lwm yam laj thawj, ua rau tus maub los ua haujlwm tsis tu ncua

nees nkaum ob

Lub npe txhaum: kub sensor

Fais fab hom: Burnout

Kev piav qhia yuam kev: Lub sensor ua haujlwm tsis ua haujlwm, tus maub los tsis tuaj yeem ua haujlwm ib txwm, thiab yuav tsum tau hloov pauv

nees nkaum peb

Lub npe txhaum: kub sensor

Failure Mode: Kev tawg

Cov lus piav qhia tsis raug: luv luv ntawm cov kab teeb liab lossis luv luv rau lub plhaub, tus tswj tsis tuaj yeem ua haujlwm ib txwm thiab yuav tsum tau hloov

nees nkaum plaub

Lub npe txhaum: lub cev muaj zog mounting bracket

Fais fab hom: poob tawm

Cov lus piav qhia yuam kev: Lub cev muaj zog muaj qhov pom tseeb txav, thiab lub tsheb tsis tuaj yeem txav mus los

25

Lub npe txhaum: lub cev muaj zog ruaj khov hlau nplaum

Failure Mode: Performance Decay

Kev piav qhia tsis raug: Kev ua haujlwm ntawm lub cev muaj zog qis dua qhov ntsuas tau teev tseg hauv cov txheej txheem kev ua haujlwm, ua rau muaj kev poob qis hauv lub zog ntawm lub tsheb.

26

Fault Name: Kev sib txuas lus

Hom Failure: Kev Ua Haujlwm Tsis Ua Haujlwm

Fault Description: Tus maub los tsis ua hauj lwm ib txwm thiab yuav tsum tau hloov

27

Fault Name: Software

Hom Failure: Kev Ua Haujlwm Tsis Ua Haujlwm

Fault Description: Tus maub los tsis ua hauj lwm ib txwm thiab yuav tsum tau hloov


Post lub sij hawm: Apr-22-2023