Electrical device with miswire protection and automated testing
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01H-083/04
H02H-003/33
H01H-071/04
H02H-011/00
출원번호
US-0663004
(2012-10-29)
등록번호
US-9362077
(2016-06-07)
발명자
/ 주소
Finlay, Sr., David A.
Macbeth, Bruce F.
Morgan, Kent R.
Murphy, Patrick J.
Packard, Thomas N.
Richards, Jeffrey C
Savicki, Jr., Gerald R.
Weeks, Richard
출원인 / 주소
PASS & SEYMOUR, INC.
대리인 / 주소
Bond, Schoeneck & King, PLLC
인용정보
피인용 횟수 :
1인용 특허 :
97
초록▼
The present invention is directed to an electrical wiring device that includes a plurality of line terminals, a plurality of feed-through load terminals, and at least one set of receptacle load terminals. A circuit interrupter assembly includes a plurality of movable interconnection members. Each mo
The present invention is directed to an electrical wiring device that includes a plurality of line terminals, a plurality of feed-through load terminals, and at least one set of receptacle load terminals. A circuit interrupter assembly includes a plurality of movable interconnection members. Each movable interconnection member includes a first interconnecting contact disposed on a first side thereof and a second interconnecting contact disposed on a second side thereof. The first interconnecting contact and the second interconnecting contact are offset from one another in a direction substantially orthogonal to a direction of movement. The movable interconnection members are movable in the direction of movement between a reset position wherein the line terminals, the feed-through load terminals and the receptacle load terminals are electrically connected, and a tripped position wherein the the various terminals are electrically disconnected.
대표청구항▼
1. An electrical wiring device comprising: a plurality of line terminals configured to be coupled to a source of AC power, a plurality of feed-through load terminals, and at least one set of receptacle load terminals configured to provide the AC power to a user load via an AC power plug; anda circui
1. An electrical wiring device comprising: a plurality of line terminals configured to be coupled to a source of AC power, a plurality of feed-through load terminals, and at least one set of receptacle load terminals configured to provide the AC power to a user load via an AC power plug; anda circuit interrupter assembly including a plurality of movable interconnection members, each movable interconnection member including a first interconnecting contact disposed on a first side thereof and a second interconnecting contact disposed on a second side thereof, the first interconnecting contact and the second interconnecting contact being offset from one another in a direction substantially orthogonal to a direction of movement, the movable interconnection members being movable in the direction of movement between a reset position wherein the plurality of line terminals, the plurality of feed-through load terminals and the at least one set of receptacle load terminals are electrically connected and a tripped position wherein the plurality of line terminals, the plurality of feed-through load terminals and the at least one set of receptacle load terminals are electrically disconnected. 2. The device of claim 1, wherein the movable interconnection member is comprised of a first cantilever member. 3. The device of claim 2, wherein the first cantilever member is coupled to a hot terminal. 4. The device of claim 2, wherein the first cantilever member is coupled to a neutral terminal. 5. The device of claim 2, wherein the first cantilever member is disposed between a fixed receptacle terminal structure including a fixed contact and a second cantilever member including a second contact disposed thereon, the first interconnecting contact engaging the fixed contact and the second interconnecting contact engaging the second contact in the reset position. 6. The device of claim 5, wherein the first cantilever member and the second cantilever member are self-biased toward the tripped position. 7. The device of claim 5, further comprising at least one break spring coupled to the first cantilever member or the second cantilever member, the at least one break spring applying a bias force toward the tripped position. 8. The device of claim 5, further comprising a weld breaker mechanism coupled to the first cantilever member or the second cantilever member, the weld breaker mechanism being configured to strike the first cantilever member or the second cantilever member in response to a tripping stimulus. 9. The device of claim 5, further comprising: an actuator assembly coupled to the circuit interrupter assembly, the actuator assembly being configured to drive the circuit interrupter from the reset position to the tripped position in response to at least one fault condition; anda reset mechanism configured to drive the circuit interrupter assembly from the tripped position to the reset position in response to a manual stimulus. 10. The device of claim 1, further comprising at least one detection circuit including a circuit segment coupled between the plurality of line terminals and configured to conduct a predetermined signal in response to detecting a proper wiring condition, the predetermined signal not simulating a fault condition, a proper wiring condition being effected when the plurality of line terminals are connected to the source of AC power, the circuit interrupter being prevented from effecting the reset position absent the predetermined signal being conducted by the at least one detection circuit, and wherein the at least one detection circuit includes a wiring state detection circuit configured to conduct the predetermined signal. 11. The device of claim 10, wherein the predetermined signal is a current signal. 12. The device of claim 10, wherein the wiring state detection circuit is configured to permanently open circuit a predetermined time after the AC power is coupled to the plurality of line terminals. 13. The device of claim 12, wherein the wiring state detection circuit includes at least one fusible member configured to permanently open-circuit a predetermined time after the AC power is coupled to the plurality of line terminals. 14. An electrical wiring device comprising: a plurality of line terminals configured to be coupled to a source of AC power, a plurality of feed-through load terminals, and at least one set of receptacle load terminals configured to provide the AC power to a user load via an AC power plug;a circuit interrupter including a plurality of movable interconnection members, each movable interconnection member including a first interconnecting contact disposed on a first side thereof and a second interconnecting contact disposed on a second side thereof, the first interconnecting contact and the second interconnecting contact being offset from one another in a direction substantially orthogonal to a direction of movement, the movable interconnection members being movable in the direction of movement between a reset position wherein the plurality of line terminals, the plurality of feed-through load terminals and the at least one set of receptacle load terminals are electrically connected and a tripped position wherein the plurality of line terminals, the plurality of feed-through load terminals and the at least one set of receptacle load terminals are electrically disconnected;an actuator assembly coupled to the circuit interrupter, the actuator assembly being configured to drive the circuit interrupter from the reset position to the tripped position in response to at least one fault condition; anda reset mechanism configured to drive the circuit interrupter from the tripped position to the reset position in response to a manual stimulus. 15. The device of claim 14, wherein the movable interconnection member is comprised of a first cantilever member. 16. The device of claim 15, wherein the first cantilever member is coupled to a hot terminal. 17. The device of claim 15, wherein the first cantilever member is coupled to a neutral terminal. 18. The device of claim 15, wherein the first cantilever member is disposed between a fixed receptacle terminal structure including a fixed contact and a second cantilever member including a second contact disposed thereon, the first interconnecting contact engaging the fixed contact and the second interconnecting contact engaging the second contact in the reset position. 19. The device of claim 18, wherein the first cantilever member and the second cantilever member are self-biased toward the tripped position. 20. The device of claim 18, further comprising at least one break spring coupled to the first cantilever member or the second cantilever member, the at least one break spring applying a bias force toward the tripped position. 21. The device of claim 18, further comprising a weld breaker mechanism coupled to the first cantilever member or the second cantilever member, the weld breaker mechanism being configured to strike the first cantilever member or the second cantilever member in response to a tripping stimulus. 22. The device of claim 14, further comprising at least one detection circuit including a circuit segment coupled between the plurality of line terminals and configured to conduct a predetermined signal in response to detecting a proper wiring condition, the predetermined signal not simulating a fault condition, a proper wiring condition being effected when the plurality of line terminals are connected to the source of AC power, the circuit interrupter being prevented from effecting the reset position absent the predetermined signal being conducted by the at least one detection circuit. 23. The device of claim 22, wherein the at least one detection circuit includes a wiring state detection circuit configured to conduct the predetermined signal. 24. The device of claim 23, wherein the wiring state detection circuit is configured to permanently open circuit a predetermined time after the AC power is coupled to the plurality of line terminals. 25. The device of claim 24, wherein the wiring state detection circuit includes at least one fusible member configured to permanently open-circuit a predetermined time after the AC power is coupled to the plurality of line terminals. 26. An electrical wiring device comprising: a plurality of line terminals configured to be coupled to a source of AC power, a plurality of feed-through load terminals, and at least one set of receptacle load terminals configured to provide the AC power to a user load via an AC power plug;at least one detection circuit including a circuit segment coupled between the plurality of line terminals and configured to conduct a predetermined signal in response to detecting a proper wiring condition, the predetermined signal not simulating a fault condition, a proper wiring condition being effected when the plurality of line terminals are connected to the source of AC power;a circuit interrupter assembly including a plurality of movable interconnection members, each movable interconnection member including a first interconnecting contact disposed on a first side thereof and a second interconnecting contact disposed on a second side thereof, the first interconnecting contact and the second interconnecting contact being offset from one another in a direction substantially orthogonal to a direction of movement, the movable interconnection members being movable in the direction of movement between a reset position wherein the plurality of line terminals, the plurality of feed-through load terminals and the at least one set of receptacle load terminals are electrically connected and a tripped position wherein the plurality of line terminals, the plurality of feed-through load terminals and the at least one set of receptacle load terminals are electrically disconnected, the circuit interrupter assembly being prevented from effecting the reset position absent the predetermined signal being conducted by the at least one detection circuit. 27. The device of claim 26, wherein the movable interconnection member is comprised of a first cantilever member. 28. The device of claim 27, wherein the first cantilever member is coupled to a hot terminal. 29. The device of claim 27, wherein the first cantilever member is coupled to a neutral terminal. 30. The device of claim 27, wherein the first cantilever member is disposed between a fixed receptacle terminal structure including a fixed contact and a second cantilever member including a second contact disposed thereon, the first interconnecting contact engaging the fixed contact and the second interconnecting contact engaging the second contact in the reset position. 31. The device of claim 30, wherein the first cantilever member and the second cantilever member are self-biased toward the tripped position. 32. The device of claim 30, further comprising at least one break spring coupled to the first cantilever member or the second cantilever member, the at least one break spring applying a bias force toward the tripped position. 33. The device of claim 30, further comprising a weld breaker mechanism coupled to the first cantilever member or the second cantilever member, the weld breaker mechanism being configured to strike the first cantilever member or the second cantilever member in response to a tripping stimulus. 34. The device of claim 26, wherein the at least one detection circuit includes a wiring state detection circuit configured to conduct the predetermined signal. 35. The device of claim 34, wherein the wiring state detection circuit is configured to permanently open circuit a predetermined time after the AC power is coupled to the plurality of line terminals. 36. The device of claim 34, wherein the wiring state detection circuit includes at least one fusible member configured to permanently open-circuit a predetermined time after the AC power is coupled to the plurality of line terminals. 37. The device of claim 33, further comprising: an actuator assembly coupled to the circuit interrupter, the actuator being configured to drive the circuit interrupter from the reset position to the tripped position in response to at least one fault condition; anda reset mechanism configured to drive the circuit interrupter from the tripped position to the reset position in response to a manual stimulus. 38. The device of claim 26, further comprising an auxiliary switch configured to couple the at least one detection circuit to the AC power in the reset position and decouple the at least one detection circuit to the AC power in the tripped position. 39. The device of claim 38, further comprising an indicator disposed in parallel to the auxiliary switch.
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