Control device for power supply bus voltage regulation
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-001/00
H02J-003/00
출원번호
UP-0984395
(2007-11-16)
등록번호
US-7629710
(2009-12-16)
우선권정보
FR-06 10059(2006-11-17)
발명자
/ 주소
Tonicello, Ferdinando
출원인 / 주소
Agence Spatiale Europeenne
대리인 / 주소
Clark & Brody
인용정보
피인용 횟수 :
1인용 특허 :
2
초록▼
A control device for voltage regulation of a power supply bus, including a first switch adapted, when in a closed position, to connect an electrical energy generator to an energy storage device, and a second switch adapted, when in a closed position, to short-circuit said generator, said generator b
A control device for voltage regulation of a power supply bus, including a first switch adapted, when in a closed position, to connect an electrical energy generator to an energy storage device, and a second switch adapted, when in a closed position, to short-circuit said generator, said generator being connected to said power supply bus if said first and second switches are in an open position, which control device further including first means for generating a signal for controlling said first switch and second means for generating a signal for controlling said first switch, said first and second means for generating a signal for controlling said first and second switches, respectively, being separate means operating independently of each other.
대표청구항▼
What is claimed is: 1. A control device for power supply bus voltage regulation, including: a first switch adapted, when in a closed position, to connect an electrical energy generator to an energy storage device; and a second switch adapted, when in a closed position, to short-circuit said generat
What is claimed is: 1. A control device for power supply bus voltage regulation, including: a first switch adapted, when in a closed position, to connect an electrical energy generator to an energy storage device; and a second switch adapted, when in a closed position, to short-circuit said generator; said generator being connected to said power supply bus when said first and said second switches are in an open position, the control device further including a control unit for generating a signal for controlling said first switch and a signal for controlling said second switch, wherein the control unit includes: first means for generating said signal for controlling said first switch as a function of a first signal indicating a voltage level of said power supply bus and a second signal indicating a charging voltage level of said energy storage device, said first means being adapted to generate a control signal for closing said first switch if said first signal indicates a voltage level of said power supply bus greater than a first reference level and said second signal indicates a charging voltage level of said energy storage device less than a second reference level, and to generate a control signal for opening said first switch in all other circumstances; and second means, separate from and independent of said first means, for generating said signal for controlling said second switch as a function of said first signal indicating a voltage level of said power supply bus, said second signal indicating a charging voltage level of said energy storage device, and a third signal indicating a closed or open state of said first switch, said second means being adapted to generate a control signal for closing said second switch if said second signal indicates a charging voltage level of said energy storage device greater than said second reference level and: said first signal indicates a voltage level of said power supply bus greater than said first reference level; or independently of the value of said first signal, said third signal indicates that said first switch is closed; and to generate a control signal for opening said second switch in all other circumstances. 2. A control device according to claim 1, wherein said second means for generating a signal for controlling said second switch include a unit for detecting failure of charging of the energy storage device, receiving at a first input said second signal indicating a charging voltage level of said energy storage device and at a second input said third signal indicating a closed or open state of said first switch, said detection unit being adapted to generate at its output a signal indicating a failure condition if said third signal indicates that said first switch is closed whereas said second signal indicates a charging voltage level of said energy storage device greater than said second reference level. 3. A control device according to claim 2, wherein said unit for detecting failure of charging of the energy storage device is adapted to maintain at its output a signal indicating a failure condition until said second signal at its first input changes value, then indicating a charging voltage level of said energy storage device less than said second reference level. 4. A control device according to claim 2, wherein said unit for detecting failure of charging of the energy storage device is adapted to maintain at its output a signal indicating a failure condition for a time period before it is reinitialized, and wherein early reinitialization can be caused by the transition of said second signal at its first input to a value indicating a charging voltage level of said energy storage device less than said second reference level. 5. A control device according to claim 2, wherein said second means for generating a signal for controlling said second switch further include a control unit having a first input connected to the output of said failure detection unit, a second input for said first signal indicating a voltage level of said power supply bus, and a third input for said second signal indicating a charging voltage level of said energy storage device, said control unit being adapted: to generate a control signal for closing said second switch if the signal at its third input indicates a charging voltage level of said energy storage device greater than said second reference level, and vice-versa; to generate a control signal for opening said second switch if the signal at its second input indicates a voltage level of said power supply bus less than said first reference level; and to generate a control signal for closing said second switch if the signal at its first input indicates a condition of failure of the charging of the energy storage device; subject to the condition that in the event of conflict the first input takes priority over the second input and the third input and the second input takes priority over the third input. 6. A control device according to claim 1, further including a first comparator circuit including: a first input for a signal indicating a difference between the voltage level of said power supply bus and a first nominal voltage level; a second input for a first reference voltage level; means for comparing the signals at said first and second inputs and for generating, as a function of the result of that comparison, said first signal indicating a voltage level of said power supply bus; and an output for said first signal indicating a voltage level of said power supply bus. 7. A control device according to claim 6, wherein said first comparator circuit is a hysteresis comparator circuit. 8. A control device according to claim 6, wherein said first comparator circuit is adapted to produce an output signal at a "high" level or at a "low" level, to the exclusion of any intermediate level. 9. A control device according to claim 1, further including a second comparator circuit including: a first input for a signal indicating a difference between the charging voltage level of said energy storage device and a second nominal voltage level; a second input for a second reference voltage level; means for comparing the signals present at said first and second inputs and for generating, as a function of the result of that comparison, said second signal indicating a charging voltage level of said energy storage device; and an output for said second signal indicating a charging voltage level of said energy storage device. 10. A control device according to claim 9, wherein said second comparator circuit is a hysteresis comparator circuit. 11. A control device according to claim 9, wherein said second comparator circuit is adapted to produce an output signal at a "high" level or a "low" level, to the exclusion of any intermediate level. 12. A control device according to claim 11, wherein said second comparator circuit has internal redundancies guaranteeing that in event of failure of only one of its elements said second comparator circuit continues to function normally or remains stuck in a state in which the signal at its output indicates a charging voltage level of said energy storage device greater than said second reference level. 13. A control device according to claim 9, wherein said second means for generating a signal for controlling said second switch include a unit for detecting failure of charging of the energy storage device, receiving at a first input said second signal indicating a charging voltage level of said energy storage device and at a second input said third signal indicating a closed or open state of said first switch, said detection unit being adapted to generate at its output a signal indicating a failure condition if said third signal indicates that said first switch is closed whereas said second signal indicates a charging voltage level of said energy storage device greater than said second reference level, and further comprising a third comparator circuit including: a first input for said signal indicating a difference between the charging voltage level of said energy storage device and a second nominal voltage level; a second input for said second reference voltage level; means for comparing the signals at said first and second inputs and for generating, as a function of the result of that comparison, a replica of said second signal indicating a charging voltage level of said energy storage device; and an output for said replica of said second signal indicating a charge voltage level of said energy storage device; said replica of said second signal being supplied to the first input of said second unit for detecting failure of charging of the energy storage device. 14. An electrical energy generation module for a power supply bus, including: an electrical energy generator; and a control device according to claim 1 for selectively connecting said electrical energy generator to said power supply bus or to an energy storage device, or short-circuiting it.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (2)
Perol Philippe Alfred,NLX ; Olsson Dan,NLX ; Haines James Edward,NLX, Device for generating electrical energy for a power supply bus.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.