Circuit arrangement for an electric appliance
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02B-001/24
H02B-001/00
출원번호
US-0801097
(2004-03-15)
우선권정보
DE-103 11 447(2003-03-15)
발명자
/ 주소
Engelmann,Harry
Schaupert,Kurt
출원인 / 주소
Schott AG
대리인 / 주소
Pauley Petersen &
인용정보
피인용 횟수 :
1인용 특허 :
2
초록▼
A circuit arrangement for an electric appliance, having a control device and a power supply unit connected with an electric current supply connector for providing functional units, which are to be controlled, of the electric appliance with current. A switch is provided on the electric current supply
A circuit arrangement for an electric appliance, having a control device and a power supply unit connected with an electric current supply connector for providing functional units, which are to be controlled, of the electric appliance with current. A switch is provided on the electric current supply connector for cutting off the power supply unit from the electric current supply connector on a primary side. The switch has a piezo switch which is open in the non-activated state. The circuit arrangement of this invention is used, for example, in connection with electronic household appliances.
대표청구항▼
What is claimed is: 1. A circuit arrangement for an electric appliance, having a control device (10) and a power supply unit (12) connected with an electric current supply connector (L, N) for providing controlled functional units of the electric appliance with current, wherein a switch (14) on the
What is claimed is: 1. A circuit arrangement for an electric appliance, having a control device (10) and a power supply unit (12) connected with an electric current supply connector (L, N) for providing controlled functional units of the electric appliance with current, wherein a switch (14) on the electric current supply connector (L, N) can cut off the power supply unit (12) from the electric current supply connector (L, N) on a primary side, the circuit arrangement comprising: the switch (14) having a piezo switch which is open in a non-activated state. 2. The circuit arrangement in accordance with claim 1, wherein the piezo switch (14) is connected with a power semiconductor circuit (16) which, when the piezo switch (14) is operated, connects the control device (10) for activation with the electric power supply connector (L, N). 3. The circuit arrangement in accordance with claim 2, wherein when the piezo switch (14) is actuated, a brief voltage for activating the power semiconductor circuit (16) is generated at the piezo switch (14) due to actuating force exerted on the piezo switch (14). 4. The circuit arrangement in accordance with claim 3, wherein the power semiconductor circuit (16) has at least one of a triac and a triode alternating current switch. 5. The circuit arrangement in accordance with claim 4, wherein the activated power semiconductor circuit (16) connects the control device (10) with the electric power supply connector (L, N) via the power supply unit (12). 6. The circuit arrangement in accordance with claim 5, wherein for maintaining the current supply for the electric appliance during operation, the control device (10) is connected with a lock-in circuit (18) that can be activated by the control device ( 10). 7. The circuit arrangement in accordance with claim 4, wherein the lock-in circuit has at least one thyristor. 8. The circuit arrangement in accordance with claim 5, wherein the lock-in circuit has at least one of an electro-mechanical relay and a Reed relay. 9. The circuit arrangement in accordance with claim 8, wherein the control device (10) is connected with a semiconductor circuit for cutting off the control device (10) from the electric power supply connector (L, N). 10. The circuit arrangement in accordance with claim 9, wherein the control device (10) deactivates the lock-in circuit (18) for cuffing off the electric power supply connector (L, N) and for switching off the electric appliance. 11. A circuit arrangement for an electric appliance, having a control device (10) and a power supply unit (12) connected with an electric current supply connector (L, N) for providing controlled functional units of the electric appliance with current, wherein a switch (14) on the electric current supply connector (L, N) can cut off the power supply unit (12) from the electric current supply connector (L, N) on a primary side, the circuit arrangement comprising: the switch (14) including a piezo switch which is open in a non-activated state, wherein the piezo switch (14) is connected with a power semiconductor circuit (16) which, when the piezo switch (14) is operated, connects the control device ( 10) for activation with the electric power supply connector (L, N), wherein the power semiconductor circuit (16) has at least one of a triac and a triode alternating current switch. 12. The circuit arrangement in accordance with claim 3, wherein the activated power semiconductor circuit (16) connects the control device (10) with the electric power supply connector (L, N) via the power supply unit (12). 13. The circuit arrangement in accordance with claim 1, wherein for maintaining the current supply for the electric appliance during operation, the control device (10) is connected with a lock-in circuit (18) that can be activated by the control device ( 10). 14. A circuit arrangement for an electric appliance, having a control device (10) and a power supply unit (12) connected with an electric current supply connector (L, N) for providing controlled functional units of the electric appliance with current, wherein a switch (14) on the electric current supply connector (L, N) can cut off the power supply unit (12) from the electric current supply connector (L, N) on a primary side, the circuit arrangement comprising: the switch (14) having a piezo switch which is open in a non-activated state, and, for maintaining the current supply for the electric appliance during operation, the control device (10) is connected with a lock-in circuit (18) that can be activated by the control device (10), the lock-in circuit including at least one thyristor. 15. The circuit arrangement in accordance with claim 4, wherein the lock-in circuit has at least one of an electro-mechanical relay and a Reed relay. 16. The circuit arrangement in accordance with claim 1, wherein the control device (10) is connected with a semiconductor circuit for cutting off the control device (10) from the electric power supply connector (L, N). 17. The circuit arrangement in accordance with claim 2, wherein the control device (10) deactivates the lock-in circuit (18) for cutting off the electric power supply connector (L, N) and for switching off the electric appliance.
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이 특허에 인용된 특허 (2)
Ohba Masatoshi (Nagaokakyo JPX) Sato Ryuichi (Kyoto JPX) Taniguchi Tsutomu (Kyoto JPX), Drive circuit for a piezoelectric actuator.
Harnden ; Jr. John D. (Schenectady NY) Kornrumpf William P. (Albany NY) Farrall George A. (Rexford NY), Zero crossing synchronous AC switching circuits employing piezoceramic bender-type switching devices.
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