Dual load control device

• US 8,289,716 B2
• Filed: 06/10/2009
• Issued: 10/16/2012
• Est. Priority Date: 06/10/2009
• Status: Active Grant

• Current Assignee: Leviton Manufacturing Company Incorporated
• Original Assignee: Leviton Manufacturing Company Incorporated
• Inventors: Patel, Parimal R., Estanislao, Danny F.
• Primary Examiner(s): Bui, Hung S
• Application Number:
  US12/482,316
• Publication Number:
  US 20100314226A1
• Time in Patent Office: 1,224 Days
• Field of Search: 361/752, 361/796, 361800-803, 361/807, 361/810, 361728-730, 313/306, 313308-310, 313/326, 313/331, 313/336, 313/351, 445/1, 445/23, 445/24, 445/46, 445/49, 445/50, 315/194, 219/69.11, 219/69.13, 219/69.17, 219/50, 219/68
• US Class Current: 361/728
• CPC Class Codes: H01H 2217/01 Off centre actuation
• CPC Class Codes: H01H 2219/062 Light conductor
• CPC Class Codes: H01H 2219/066 Lens
• CPC Class Codes: H01H 2221/05 Force concentrator; Actuating dimple
• CPC Class Codes: H01H 2235/018 Spring seat
• CPC Class Codes: H01H 2235/028 Blade spring
• CPC Class Codes: H01H 2237/006 Guided plunger or ball
• CPC Class Codes: H01H 3/122 with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
• CPC Class Codes: H01H 9/167 Circuits for remote indication
• CPC Class Codes: H01H 9/168 making use of an electromagnetic wave communication
• CPC Class Codes: H05B 47/19 via wireless transmission

Abstract

An electrical control device comprising a housing configured to be at least partially mountable within a single-gang electrical box; and including at least first and second switches disposed at least partially within the housing, each the at least first and second switches configured as providing a respective first and second input to the electrical control device and, the electrical control device being configured to be wired to a respective first and a second electrical load. A communications device disposed at least partially within the housing is configured to wirelessly transmit a control signal to control at least one additional electrical load.

Claims

1. An electrical control device comprising;

a single-gang electrical housing being at least partially mountable within an electrical wall box;

first and second switches disposed at least partially within said housing, each of said first and second switches configured as providing a respective first and second input to the electrical control device, the electrical control device being wired to a respective first and a second electrical load, wherein the first input controls the first electrical load and the second input controls the second electrical load;

a frame assembly supporting first and second actuators, each of said first and second actuators adapted to actuate said respective first and second switches; and

,

a communications device disposed at least partially within said housing and configured to wirelessly transmit and/or receive a control signal, wherein the communications device is adapted to control at least one of the first electrical load, the second electrical load, and a remote electrical load in accordance with the received control signal.

2. The electrical control device of claim 1, wherein one of the first or second inputs also controls the remote electrical load.

3. The electrical control device of claim 1, further including:

a circuit board disposed in said housing and including control circuitry to control said first and second electrical loads in response to said first and second inputs, wherein each of said first and second switches are disposed on said circuit board and are communicatively coupled to said control circuitry to provide said first and second respective inputs.

4. The electrical control device of claim 1, said frame assembly further comprising at least one leaf spring, said at least one leaf spring being adapted to bias at least one of said first and second actuators in a first direction.

5. The electrical control device of claim 1, wherein said frame assembly includes first and second leaf springs adapted to bias said respective first and second actuators, each of said first and second leaf springs comprising:

a platform mounting portion affixed to said frame assembly;

a pair of leaf arms extending outward and upward in opposing directions at an angle with respect to the platform mounting portion, each said leaf arm having an actuator contact surface at a distal end thereof.

6. The electrical control device as claimed in claim 5, wherein said platform includes an RF antenna mounted on a surface thereto and coupled to said communications device.

7. The electrical control device as claimed in claim 1, further comprising first and second light emitting devices associated with a respective said first and second switches, each said first and second light emitting devices to emit light indicative of the state of respective said first and second electrical loads.

8. A method for controlling a plurality of electrical loads using a single-gang electrical load control device, the method comprising:

actuating a first switch or a second switch using a respective first or second actuator supported by a housing of said load control device;

providing an input to the electrical load control device in response to said actuation of said first or second switch;

controlling a respective first and second electrical load electrically connected to said single-gang electrical load control device in response to said input; and

,

either (i) receiving a wireless control signal and controlling one or more of said first load, said second load and a remote electrical load, or (ii) transmitting a wireless control signal in response to said input to further wirelessly control a remote electrical load.

9. The method as claimed in claim 8, wherein said respective first and second electrical loads are respectively wired to said single-gang electrical load control device, said respective first and second wired electrical loads being controlled through the wires.

10. The method as claimed in claim 9, further comprising:

wirelessly controlling the remote electrical load by receiving wireless communication signals, and generating wireless control signals to control said remote electrical load.

11. The method as claimed in claim 8, further comprising:

providing first and second light emitting devices associated with a respective said first and second switches; and

,

emitting light indicative of the state of respective said first and second electrical loads.

12. An actuator frame assembly for an electrical control device, said electrical control device including a housing at least partially mountable within an electrical box, said electrical control device including a switch for controlling a wired electrical load, said actuator frame assembly comprising:

a frame base adapted to engage a front surface of said housing, said frame base including an actuator;

a leaf spring disposed on said frame base and configured to bias said actuator in a first direction, said actuator having an actuating arm extending from a bottom surface of said actuator;

a first opening formed in said frame base, said first opening disposed in alignment with said actuating arm and said switch of said electrical control device;

wherein said actuating arm is adapted to extend through said first openings to contact said switch upon actuation of said actuator.

13. The actuator frame assembly of claim 12, wherein said leaf spring comprises:

a leaf spring mounting portion for mounting on said frame base;

a plurality of leaf arms extending upward at an angle with respect to the leaf spring mounting portion and outward in opposing directions, each of said plurality of leaf arms having a respective contact surface at a distal end thereof to biasingly engage said actuator.

14. The actuator frame assembly of claim 13, wherein said actuator further comprises an actuator opening formed on a surface of said actuator and a light transmitting device/element disposed in said actuator opening and optically coupled to a light pipe associated with said electrical control device said light pipe being adapted to receive/channel light from a light source associated with the electrical control device, wherein said light source emits light indicative of the state of said electrical load, said actuator frame assembly further comprising:

a second opening formed in said frame base, said second opening to enable at least a portion of said light pipe to extend there through,

wherein light from said light source is transmitted/channeled to said light transmitting device/element.

15. The actuator frame assembly as claimed in claim 13, wherein said leaf spring comprises two leaf springs, each of said leaf springs being mounted to said frame base at opposing sides thereof such that said contact surfaces of each of said plurality of leaf arms provide substantially uniform spring action for biasing said actuator.

16. The actuator frame assembly as claimed in claim 12, wherein said electrical control device further includes a communications device disposed at least partially within said housing to wirelessly control at least one of said wired electrical load and a remote electrical load.

17. The actuator frame assembly as claimed in claim 16, said housing front surface including an RF antenna mounted thereon and coupled to the communications device, said frame base further comprising:

an antenna opening to accommodate said RF antenna.

18. An electrical control device comprising:

a single-gang housing including a line terminal for connection to a source of electricity and a plurality of load terminals adapted for connection to a respective plurality of electrical loads;

a plurality of switches electrically coupled between said line terminal and said plurality of respective load terminals, wherein each of said plurality of switches selectively electrically couple respective said plurality of electrical loads to said line terminal to provide electricity to said plurality of electrical loads;

first and second actuators supported by said single-gang housing, each of said first and second actuators adapted to actuate a respective switch of said plurality of switches;

a communications circuit adapted to transmit/receive wireless control signals; and

a controller coupled to said communications circuit and to said plurality of switches, said controller being adapted to accept a local control signal and/or said wireless control signal, wherein said controller selectively controls said plurality of switches in response to said local control signal and/or said wireless control signal.