Methods and systems for recording operating information of an electronically commutated motor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02H-007/00
H02P-006/00
G05B-023/02
H02P-029/02
H02P-006/34
출원번호
US-0970169
(2015-12-15)
등록번호
US-9621080
(2017-04-11)
발명자
/ 주소
Beifus, Brian L.
Selking, Paul N.
Gurudasani, Vijay D.
Koller, Michael R.
출원인 / 주소
REGAL BELOIT AMERICA, INC.
대리인 / 주소
Armstrong Teasdale LLP
인용정보
피인용 횟수 :
0인용 특허 :
42
초록▼
A unit for recording operating information of an electronically commutated motor (ECM) is described. The unit includes a system controller communicatively coupled to an ECM. The system controller includes a processing device configured to control the unit. The unit also includes a memory device comm
A unit for recording operating information of an electronically commutated motor (ECM) is described. The unit includes a system controller communicatively coupled to an ECM. The system controller includes a processing device configured to control the unit. The unit also includes a memory device communicatively coupled to the system controller. The memory device is configured to receive and store ECM operating information provided by the processing device.
대표청구항▼
1. A unit for recording operating information of an electric motor, said unit comprising: a motor controller communicatively coupled to an electric motor, said motor controller comprising a processing device configured to control said unit, collect operating data from an electric motor, collect moto
1. A unit for recording operating information of an electric motor, said unit comprising: a motor controller communicatively coupled to an electric motor, said motor controller comprising a processing device configured to control said unit, collect operating data from an electric motor, collect motor controller information from said motor controller, and identify when a motor controller failure occurs;a memory device communicatively coupled to said processing device, said memory device configured to receive and store (i) motor operating information in response to identifying the motor controller failure and (ii) motor controller information far use by a successive motor controller; anda voltage protection circuit coupled to said memory device, wherein said voltage protection circuit prevents high voltage damage to said memory device. 2. A unit according to claim 1, wherein said memory device is further configured to communicate wirelessly with said motor controller. 3. A unit according to claim 1, wherein said memory device is further communicatively coupled to a second processing device of a second motor controller and further configured to receive and store (i) second motor controller information associated with said second motor controller and (ii) second motor operating information in response to identifying a second motor controller failure associated with said second motor controller. 4. A unit according to claim 1, wherein said memory device comprises a communications interface configured to allow a user to access the contents of said memory device. 5. A unit according to claim 1, wherein said processing device comprises a random access memory (RAM) configured to temporarily store the motor operating information and motor controller information. 6. A unit according to claim 1, wherein said memory device comprises at least one of an erasable programmable read-only memory and a flash memory. 7. A unit according to claim 1, wherein the motor operating information comprises at least one of production process information, scratch-pad information, a total length of lime said electric motor receives power, a total length of time said electric motor has run, a total length of time said electric motor has operated in a cutback region, a total length of time said electric motor has operated with a temperature above a thermal limit setting, a total number of cycles said electric motor has completed, a high operating temperature, a low operating temperature, a final operating torque level, a final operating bus voltage, a last operating speed, a last module temperature, a count of fault events, a count of reset cycles, a count of oscillator stop events, and a count of stall events. 8. A unit according to claim 1, wherein said electric motor comprises an electronically commutated motor (ECM). 9. A unit according to claim 1, wherein said memory device comprises a non-volatile memory. 10. A unit according to claim 1, wherein said motor controller is integral with the electric motor. 11. A unit according to claim 1, wherein said motor controller is positioned remotely from the electric motor. 12. A unit according to claim 1 wherein said voltage protection circuit comprises one or more signal diodes that limit a terminal voltage at said memory device to a predefined voltage. 13. A unit according to claim 1, wherein said, memory device is farther configured to communicate wirelessly with said system controller. 14. A method for providing a system to record operating information of a rotating electric machine, said method comprising: configuring a processing device to collect (i) operating data from a rotating electric machine and (ii) controller data from a system controller;configuring the processing device to identify when a system controller failure occurs;configuring a memory device to receive and store (i) operating data in response to identifying the controller failure, and (ii) controller data for use by a successive system controller for controlling the system upon replacement of the system controller; andcoupling a voltage protection circuit to the memory device, wherein the voltage protection prevents high voltage damage to said memory device. 15. A method according to claim 14 further comprising configuring the memory device to receive and store (i) second controller data associated with said second system controller and (ii) operating data in response to identifying a second controller failure associated with said second system controller. 16. A method according to claim 14 wherein coupling said voltage protection circuit to the memory device further comprises coupling at least one Zener diode to the memory device. 17. A motor system comprising: an electric motor;a motor controller coupled to said electric motor and configured to communicate with said electric motor, said motor controller comprising a processing device configured to control operation of said motor system, collect operating data from said electric motor, collect motor controller information from said motor controller, and identify when a motor controller failure occurs;a memory device communicatively coupled to said processing device, said memory device configured to receive and store (i) motor operating information in response to identifying the motor controller failure and (ii) motor controller information for use by a successive motor controller for controlling said unit; anda voltage protection circuit coupled to said memory device, wherein said voltage protection circuit prevents high voltage damage to said memory device. 18. A system according to claim 17, wherein said memory device comprises a communications interface configured to allow a user to access the contents of said memory device. 19. A system according to claim 17, wherein said voltage limiting circuit comprises a plurality of signal diodes that limit a terminal voltage at said memory device to a predefined voltage. 20. A system according to claim 17, wherein the operating information comprises at least one of production process information, scratch-pad information, a total length of time said electric motor receives power, a total length of time said electric motor has run, a total length of time said electric motor has operated in a cutback region, a total length of time said electric motor has operated with a temperature above a thermal limit setting, a total number of cycles said electric motor has completed, a high operating temperature, a low operating temperature, a final operating torque level, a final operating bus voltage, a last operating speed, a last module temperature, a count of fault events, a count of reset cycles, a count of oscillator stop events, and a count of stall events.
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