Illuminated Face Receptacle Structure

• US 20090141477A1
• Filed: 12/04/2007
• Published: 06/04/2009
• Est. Priority Date: 12/04/2007
• Status: Active Grant

• Current Assignee: Pass & Seymour Incorporated (Legrand SA)
• Original Assignee: Pass & Seymour Incorporated (Legrand SA)
• Inventors: Haines, Joshua P., Bhosale, Vikramsinh P.
• Granted Patent: US 7,736,174 B2
• Time in Patent Office: Days
• US Class Current: 362/95
• CPC Class Codes: F21V 33/00 Structural combinations of lighting devices with other articles, not otherwise provided for
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: H01R 13/7175 Light emitting diodes (LEDs)
• CPC Class Codes: H01R 2103/00 Two poles
• CPC Class Codes: H01R 24/76 with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
• CPC Class Codes: H01R 25/006 the coupling part being secured to apparatus or structure, e.g. duplex wall receptacle

Abstract

The present invention is directed to an electrical wiring device that includes a body member including a hot line terminal interface element and a neutral line terminal interface element accessible from an exterior portion of the body member. The body member also includes a hot load contact structure electrically coupled to the hot line terminal interface element and a neutral load contact structure electrically coupled to the neutral line terminal interface element, both the hot load contact structure and the neutral load contact structure being disposed in an interior portion of the body member. A cover member is coupled to the body member and including at least one receptacle face structure. The at least one receptacle face structure includes a set of receptacle outlet openings formed in a substantially planar portion thereof. The set of receptacle outlet openings includes a neutral opening and a hot opening in alignment with the neutral load contact structure and the hot load contact structure, respectively, the at least one receptacle face structure forming an interior region including at least one reflective surface formed therein. A light emission circuit assembly includes at least one light emitting device disposed in the interior region. The at least one light emitting device being is offset a predetermined distance from an interior surface of the substantially planar portion. The at least one light emitting device is configured to emit illumination in a plane that is substantially parallel to the interior surface such that the emitted illumination is diffusely reflected by the at least one reflective surface onto the interior surface of the planar portion and into the neutral opening and the hot opening.

Claims

1. An electrical wiring device comprising:

a body member including a hot line terminal interface element and a neutral line terminal interface element accessible from an exterior portion of the body member, the body member also including a hot load contact structure electrically coupled to the hot line terminal interface element and a neutral load contact structure electrically coupled to the neutral line terminal interface element, both the hot load contact structure and the neutral load contact structure being disposed in an interior portion of the body member;

a cover member coupled to the body member and including at least one receptacle face structure, the at least one receptacle face structure including a set of receptacle outlet openings formed in a substantially planar portion thereof, the set of receptacle outlet openings including a neutral opening and a hot opening in alignment with the neutral load contact structure and the hot load contact structure, respectively, the at least one receptacle face structure forming an interior region including at least one reflective surface formed therein; and

a light emission circuit assembly including at least one light emitting device disposed in the interior region, the at least one light emitting device being offset a predetermined distance from an interior surface of the substantially planar portion, the at least one light emitting device being configured to emit illumination in a plane that is substantially parallel to the interior surface such that the emitted illumination is diffusely reflected by the at least one reflective surface onto the interior surface of the planar portion and into the neutral opening and the hot opening.

2. The device of claim 1, wherein the at least one light emitting device obliquely transmits the emitted illumination onto the interior surface of the planar portion.

3. The device of claim 1, wherein the hot line terminal interface element and the neutral line terminal interface element include screw terminal elements partially disposed on an exterior portion of the body member.

4. The device of claim 3, further comprising a hot load screw terminal and a neutral load screw terminal partially disposed on an exterior portion of the body member.

5. The device of claim 1, wherein the hot line terminal interface element and the neutral line terminal interface element are formed in a predetermined pattern within an electrical interface structure disposed in the rear surface of the body member, the electrical interface structure being configured to receive a connector device having a plurality of connector contacts disposed in accordance with the predetermined pattern.

6. The device of claim 5, wherein the connector device is configured to directly terminate a plurality of AC electric power transmitting wires in a branch electrical circuit.

7. The device of claim 1, wherein the light emission circuit assembly is disposed on a printed circuit board.

8. The device of claim 1, wherein the predetermined distance is in an approximate range between 0.2 inches to 0.4 inches.

9. The device of claim 1, wherein the predetermined distance is approximately 0.3 inches.

10. The device of claim 1, wherein the at least one light emitting device includes a lens structure.

11. The device of claim 10, wherein the at least one light emitting device includes a plurality of LEDs disposed on at least one edge portion of the printed circuit board.

12. The device of claim 1, wherein the light emission circuit assembly includes a neutral wire interface and a hot wire interface configured to electrically connect the light emission control circuit assembly to the neutral load contact structure and the hot load contact structure, respectively.

13. The device of claim 12, wherein the at least one receptacle face structure is configured to compress the neutral wire interface against and the neutral load contact structure and the hot wire interface against the hot load contact structure when it is coupled to the body member.

14. The device of claim 1, wherein the light emission circuit assembly includes a neutral spring clip interface and a hot spring clip interface configured to electrically connect the light emission control circuit assembly to the neutral load contact structure and the hot load contact structure, respectively.

15. The device of claim 14, wherein the neutral spring clip interface is compressed between the printed circuit board and a surface of the neutral load contact structure and the hot spring clip interface is compressed between the printed circuit board and a surface of the hot load contact structure.

16. The device of claim 1, wherein the light emission circuit assembly comprises:

a plurality of light emitting diodes; and

a light emission control circuit disposed between the hot load contact structure and the neutral load contact structure, the light emission control circuit being configured to energize or deenergize the light emitting diodes in response to a predetermined stimulus.

17. The device of claim 16, wherein the light emission control circuit and the plurality of light emitting diodes are disposed in series across the hot load contact structure and the neutral load contact structure.

18. The device of claim 16, wherein the light emission control circuit and the plurality of light emitting diodes are disposed on a printed circuit board.

19. The device of claim 1, wherein the light emission control circuit includes an ambient light sensor coupled to a control circuit, the control circuit being configured to energize the light emitting diodes in response to an amount of current flowing through the ambient light sensor falling below a predetermined threshold.

20. The device of claim 1, wherein the light emission circuit assembly further comprises:

a user accessible control element; and

a dimmer circuit coupled to the user accessible control element and the plurality of light emitting diodes, the dimmer circuit being configured to regulate an intensity of light being emitted by the plurality of light emitting diodes.

21. The device of claim 1, wherein the light emission circuit assembly is configured to energize the at least one light emitting device when AC power is coupled to the hot line terminal interface element and the neutral line terminal interface element.

22. The device of claim 1, wherein the light emission circuit assembly includes at least one switch element coupled to the neutral opening or the hot opening, the light emission control circuit deenergizing the plurality the at least one light emitting device when a set of plug blades is inserted into the at least one set of receptacle outlet openings.

23. The device of claim 1, wherein the electrical wiring device is selected from a group of devices that includes a ground fault circuit interrupter, an arc fault circuit interrupter, a transient overvoltage detection device, a sensor, a wall switch, a duplex wall receptacle, a decorator wall receptacle, a multiple outlet strip (MOS), an extension cord, a power adapter, or a raceway.

24. The device of claim 1, further comprising an optically transmissive protective shutter assembly disposed in the at least one receptacle face structure between the set of receptacle outlet openings and the hot load contact structure and the neutral load contact structure, the protective shutter assembly being configured to move from a closed position to an open position in response to engaging a set of plug blades, the optically transmissive protective shutter assembly transmitting the illumination reflected by the at least one reflective surface onto the planar portion and into the neutral opening and the hot opening.

25. The device of claim 24, wherein the at least one protective shutter assembly is a frameless shutter assembly comprising a first shutter member and a second shutter member configured to move from a closed position to an open position only in response to engaging a set of plug blades having at least one predetermined plug blade geometry.

26. The device of claim 25, wherein the first shutter member and the second shutter member include shutter features configured to prevent the protective shutter assembly from being driven from the closed position into the open position if only one object is inserted into only one receptacle opening, or if two foreign objects are inserted into two receptacle openings of a set of receptacle openings, or if a set of plug blades that does not have at least one predetermined plug blade geometry is inserted into the set of receptacle openings.

27. The device of claim 25, wherein the light emission circuit assembly further comprises an optically transmissive element disposed between the at least one light emitting device and the frameless shutter assembly, the optically transmissive element being configured to backlight the frameless shutter assembly in a light emitting state.

28. The device of claim 1, wherein the set of receptacle openings includes a ground opening.

29. An electrical wiring device comprising:

a body member including a hot line terminal interface element and a neutral line terminal interface element accessible from an exterior portion of the body member, the body member also including a hot load contact structure electrically coupled to the hot line terminal interface element and a neutral load contact structure electrically coupled to the neutral line terminal interface element, both the hot load contact structure and the neutral load contact structure being disposed in an interior portion of the body member;

a cover member coupled to the body member and including at least one receptacle face structure, the at least one receptacle face structure including a set of receptacle outlet openings formed in a planar portion thereof, the set of receptacle outlet openings including at least a neutral opening and a hot opening in alignment with the neutral load contact structure and the hot load contact structure, respectively, the at least one receptacle face structure forming an interior region including at least one reflective surface formed therein; and

a light emission circuit assembly including a printed circuit board disposed in alignment with the interior region and at least one light emitting device disposed on the printed circuit board, the printed circuit board and the at least one light emitting device being offset a predetermined distance from an interior surface of the planar portion, the at least one light emitting device being configured to emit illumination in a plane that is substantially parallel to the planar portion such that the emitted illumination is diffusely reflected by the at least one reflective surface onto the interior surface of the planar portion and into the neutral opening and the hot opening.

30. The device of claim 29, wherein the at least one receptacle face structure includes a first receptacle face structure and a second receptacle face structure.

31. The device of claim 29, wherein the cover member includes a mounting structure configured to secure the printed circuit board to the cover member in alignment with the at least one receptacle face structure.

32. The device of claim 31, wherein the mounting structure includes at least one chamfered mounting post and clip structure.

33. The device of claim 32, wherein the at least one chamfered mounting post and clip structure includes a first chamfered mounting post and clip structure and second chamfered mounting post and clip structure coupled to an electrically isolating wall surrounding a ground opening, the printed circuit board including at least one mounting aperture configured to accommodate the electrically isolating wall, the first chamfered mounting post and clip structure and the second chamfered mounting post and clip structure securing the printed circuit board to portions of the electrically isolating wall.

34. The device of claim 29, wherein the predetermined distance is in an approximate range between 0.2 inches to 0.4 inches.

35. The device of claim 29, wherein the predetermined distance is approximately 0.3 inches.

36. The device of claim 29, wherein the hot line terminal interface element and the neutral line terminal interface element are formed in a predetermined pattern within an electrical interface structure disposed in the rear surface of the body member, the electrical interface structure being configured to receive a connector device having a plurality of contacts disposed in accordance with the predetermined pattern.

37. The device of claim 36, wherein the connector device is configured to directly terminate a plurality of AC electric power transmitting wires in a branch electrical circuit.

38. The device of claim 29, wherein the at least one light emitting device includes a plurality of LEDs disposed on at least one edge portion of the printed circuit board.

39. The device of claim 29, wherein the at least one light emitting device includes a lens structure.

40. The device of claim 29, wherein the light emission circuit assembly includes a neutral wire interface and a hot wire interface configured to electrically connect the light emission control circuit assembly to the neutral load contact structure and the hot load contact structure, respectively.

41. The device of claim 40, wherein the at least one receptacle face structure is configured to compress the neutral wire interface against and the neutral load contact structure and the hot wire interface against the hot load contact structure when it is coupled to the body member.

42. The device of claim 29, wherein the light emission circuit assembly includes a neutral spring clip interface and a hot spring clip interface configured to electrically connect the light emission control circuit assembly to the neutral load contact structure and the hot load contact structure, respectively.

43. The device of claim 42, wherein the neutral spring clip interface is compressed between the printed circuit board and a surface of the neutral load contact structure and the hot spring clip interface is compressed between the printed circuit board and a surface of the hot load contact structure.

44. The device of claim 29, wherein the light emission circuit assembly comprises:

a plurality of light emitting diodes; and

a light emission control circuit disposed between the hot load contact structure and the neutral load contact structure, the light emission control circuit being configured to energize or deenergize the light emitting diodes in response to a predetermined stimulus.

45. The device of claim 44, wherein the light emission control circuit and the plurality of light emitting diodes are disposed in series across the hot load contact structure and the neutral load contact structure.

46. The device of claim 29, wherein the light emission control circuit includes an ambient light sensor coupled to a control circuit, the control circuit being configured to energize the light emitting diodes in response to an amount of current flowing through the ambient light sensor falling below a predetermined threshold.

47. The device of claim 29, wherein the light emission circuit assembly further comprises:

a user accessible control element; and

a dimmer circuit coupled to the user accessible control element and the plurality of light emitting diodes, the dimmer circuit being configured to regulate an intensity of light being emitted by the plurality of light emitting diodes.

48. The device of claim 29, wherein the light emission circuit assembly is configured to energize the at least one light emitting device when AC power is coupled to the hot line terminal interface element and the neutral line terminal interface element.

49. The device of claim 29, wherein the light emission circuit assembly includes at least one switch element coupled to the neutral opening or the hot opening, the light emission control circuit deenergizing the plurality the at least one light emitting device when a set of plug blades is inserted into the at least one set of receptacle outlet openings.

50. The device of claim 29, wherein the electrical wiring device is selected from a group of devices that includes a ground fault circuit interrupter, an arc fault circuit interrupter, a transient overvoltage detection device, a sensor, a wall switch, a duplex wall receptacle, a decorator wall receptacle, a multiple outlet strip (MOS), an extension cord, a power adapter, or a raceway.

51. The device of claim 29, further comprising an optically transmissive protective shutter assembly disposed in the at least one receptacle face structure between the set of receptacle outlet openings and the hot load contact structure and the neutral load contact structure, the protective shutter assembly being configured to move from a closed position to an open position in response to engaging a set of plug blades, the optically transmissive protective shutter assembly transmitting the illumination reflected by the at least one reflective surface onto the first portion and into the neutral opening and the hot opening.

52. The device of claim 51, wherein the at least one protective shutter assembly is a frameless shutter assembly comprising a first shutter member and a second shutter member configured to move from a closed position to an open position only in response to engaging a set of plug blades having at least one predetermined plug blade geometry.

53. The device of claim 52, wherein the first shutter member and the second shutter member include shutter features configured to prevent the protective shutter assembly from being driven from the closed position into the open position if only one object is inserted into only one receptacle opening, or if two foreign objects are inserted into two receptacle openings of a set of receptacle openings, or if a set of plug blades that does not have at least one predetermined plug blade geometry is inserted into the set of receptacle openings.

54. The device of claim 52, wherein the light emission circuit assembly further comprises an optical transmissive element disposed between the at least one light emitting device and the frameless shutter assembly, the interior light transmissive element being configured to backlight the frameless shutter assembly in a light emitting state.

55. The device of claim 29, wherein the set of receptacle openings includes a ground opening.

56. An electrical wiring device comprising:

a body member including a hot line terminal interface element and a neutral line terminal interface element accessible from an exterior portion of the body member, the body member also including a hot load contact structure electrically coupled to the hot line terminal interface element and a neutral load contact structure electrically coupled to the neutral line terminal interface element, both the hot load contact structure and the neutral load contact structure being disposed in an interior portion of the body member;

a cover member coupled to the body member and including at least one receptacle face structure, the at least one receptacle face structure including a set of receptacle outlet openings formed in a planar portion thereof, the set of receptacle outlet openings including at least a neutral opening and a hot opening in alignment with the neutral load contact structure and the hot load contact structure, respectively, the at least one receptacle face structure forming an interior region including at least one reflective surface formed therein; and

a light emission circuit assembly including a printed circuit board disposed in alignment with the interior region and at least one light emitting device disposed on the printed circuit board, the printed circuit board and the at least one light emitting device being offset a predetermined distance from an interior surface of the planar portion, the at least one light emitting device being configured to emit illumination in a plane that is substantially parallel to the planar portion; and

an optically transmissive protective shutter assembly coupled to the at least one light emitting device and disposed in the at least one receptacle face structure between the set of receptacle outlet openings and the hot load contact structure and the neutral load contact structure, the protective shutter assembly being configured to move from a closed position to an open position in response to engaging a set of plug blades, the optically transmissive protective shutter assembly being configured to direct at least a portion of the emitted illumination onto the planar portion, the neutral opening and the hot opening.

57. The device of claim 56, wherein the at least one protective shutter assembly is a frameless shutter assembly comprising a first shutter member and a second shutter member configured to move from a closed position to an open position only in response to engaging a set of plug blades having at least one predetermined plug blade geometry.

58. The device of claim 57, wherein the first shutter member and the second shutter member include shutter features configured to prevent the protective shutter assembly from being driven from the closed position into the open position if only one object is inserted into only one receptacle opening, or if two foreign objects are inserted into two receptacle openings of a set of receptacle openings, or if a set of plug blades that does not have at least one predetermined plug blade geometry is inserted into the set of receptacle openings.

59. The device of claim 57, wherein the light emission circuit assembly further comprises an optical transmissive element disposed between the at least one light emitting device and the frameless shutter assembly, the interior light transmissive element being configured to backlight the frameless shutter assembly in a light emitting state.