Remote safety switch for electric appliances

• US 20020117902A1
• Filed: 02/23/2001
• Published: 08/29/2002
• Est. Priority Date: 02/23/2001
• Status: Abandoned Application

• Current Assignee: Raffel/Evers Corporation
• Original Assignee: Raffel/Evers Corporation
• Inventors: Raffel, Lee B., Evers, Michael F., Raffel, Mark
• Application Number:
  US09/792,775
• Publication Number:
  US 20020117902A1
• Time in Patent Office: Days
• US Class Current: 307/130
• CPC Class Codes: F24C 7/08 Arrangement or mounting of control or safety devices
• CPC Class Codes: H01H 27/06 Key inserted and then turned to effect operation of the switch
• CPC Class Codes: H01R 13/6395 for wall or panel outlets
• CPC Class Codes: H01R 13/7038 making use of a remote controlled switch, e.g. relais, solid state switch activated by the engagement of the coupling parts
• CPC Class Codes: H02H 11/00 Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
• CPC Class Codes: H02J 9/00 Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting

Abstract

A power control device including a remote switch box having a remote switch box having a remote safety switch and a micro-controller, and an interface box operably controlled by the micro-controller. When operated, the remote safety switch prevents unauthorized use of electrical appliances as well as: continued shutdown of electrical appliances after a power outage; regulation of power input for electrical appliances; and detached remote operation.

Claims

1. The combination of a

a) a conventional electrical appliance having a power cord for power input

b) a control mechanism secured to be manually activated by authorized users for controlling the electrical power input from an electrical outlet to the power cord of the appliance wherein the control mechanism comprises a switch means for permitting an electrical circuit to be closed in an interface box allowing power input to the electrical appliance and for permitting an electrical circuit to be open in an interface box stopping power input to the electrical appliance;

and

c) a security means whereby only authorized persons may access the control mechanism to control the power input from the electrical outlet to the electrical appliance; and

d) a sensing means wherein the sensing means detects a power failure or a power surge thereby signaling the security means to open the electrical circuit in the interface box stopping power input to the electrical appliance.

2. The invention in accordance claim 1, wherein the security means is a keylock switch having a key which is adapted to be turned in one direction to activate the control mechanism.

3. The invention in accordance with claim 2, wherein the keylock switch includes an indicator light to provide a visual display of whether or not power is being supplied from the electrical outlet to the electrical appliance.

4. The invention in accordance with claim 1, wherein the security means is a micro-controller.

5. The invention in accordance with claim 4, wherein the micro-controller includes an indicator light to provide a visual display of whether or not power is being supplied from the electrical outlet to the electrical appliance.

6. The invention in accordance with claim 4, further including a rechargeable backup battery, wherein said backup battery supplies power to the micro-controller allowing the settings of the micro-controller to be maintained during a power outage.

7. The invention in accordance with claim 6, further including a battery charger, wherein said battery charger recharges said backup battery.

8. The invention in accordance with claim 1, wherein the control mechanism is remotely located from the electrical outlet.

9. The invention in accordance with claim 1, wherein the security means must be reset upon resumption of power or reset after a power surge in order to reactivate the interface box.

10. The invention in accordance with claim 4, wherein the micro-controller further includes an automatic safety timer, wherein said automatic safety timer signals the micro-controller to deactivate the interface box after an elapsed period of time.

11. The invention in accordance with claim 4, wherein the micro-controller further includes a programmable timer, wherein said programmable timer signals the interface box to increase power during specific periods.

12. The invention in accordance with claim 11, wherein the programmable timer would automatically supply low voltage to the electrical appliance after a certain amount of time elapses.

13. The invention in accordance with claim 4, wherein the micro-controller provides low power to the interface box but deactivates the interface box when an abnormally high current is sensed.

14. The invention in accordance with claim 13, wherein the micro-controller must be reset in order to reactivate the interface box.

15. The invention in accordance with claim 4, further including a detachable remote control, wherein said remote control can activate or deactivate said micro-controller at a distance.

16. The invention in accordance with claim 1, wherein the interface box of the control mechanism further includes a mechanical safety lock cover.

18. The invention in accordance with claim 17, wherein the security means is a keylock switch having a key which is adapted to be turned in one direction to activate the control mechanism.

19. The invention in accordance with claim 18, wherein the keylock switch includes an indicator light to provide a visual display of whether or not power is being supplied from the wall mounted electrical outlet to the electrical appliance.

20. The invention in accordance with claim 17, wherein the security means is a micro-controller.

21. The invention in accordance with claim 20, wherein the micro-controller includes an indicator light to provide a visual display of whether or not power is being supplied from the electrical outlet to the electrical appliance.

22. The invention in accordance with claim 20, further including a rechargeable backup battery wherein the backup battery supplies power to the micro-controller allowing the settings of the micro-controller to be maintained during a power outage.

23. The invention in accordance with claim 20, further including a battery charger, wherein said battery charger recharges said backup battery.

24. The invention in accordance with claim 17, wherein the control mechanism is remotely located from the electrical outlet.

25. The invention in accordance with claim 17, wherein the security means must be reset upon resumption of power or reset after a power surge in order to reactivate the interface box.

26. The invention in accordance with claim 20 wherein the micro-controller further includes an automatic safety timer, wherein said automatic safety timer signals the micro-controller to deactivate the interface box after an elapsed period of time.

27. The invention in accordance with claim 20, wherein the controllable micro-controller further includes a programmable timer, wherein said programmable timer signals the interface box to increase power during specific periods.

28. The invention in accordance with claim 27, wherein the programmable timer would automatically supply low voltage to the electrical appliance after a certain period of time elapses.

29. The invention in accordance with claim 20, wherein the micro-controller provides low power to the interface box but deactivates the interface box when an abnormally high current is sensed.

30. The invention in accordance with claim 29, wherein the micro-controller must be reset in order to reactivate the interface box.

31. The invention in accordance with claim 20, further including a detachable remote control, wherein said remote control can activate or deactivate said micro-controller at a distance.

32. The invention in accordance with claim 17, wherein the interface box of the control mechanism further includes a mechanical safety lock cover.

17. A control mechanism secured to be manually activated by authorized users for controlling the supply of electrical power from an electrical outlet to an electrical appliance, wherein the control mechanism comprises an interface box interposed between the electrical outlet and the electrical appliance power cord for opening and closing an electrical circuit from the electrical outlet to the power cord of the electrical appliance and further comprises a security means whereby only authorized persons may access the control mechanism to control the supply of electrical power from the electrical outlet to the electrical appliance,

wherein the control mechanism further comprises a switch means for permitting the interface box to close the electrical circuit in order to supply power to the electrical appliance and for permitting the interface box to open the electrical circuit in order to cut off power supplied to the electrical appliance

wherein the control mechanism further comprises a sensing means for detecting a power failure or a power surge thereby signaling the security means to open the electrical circuit in the interface box stopping power input to the electrical appliance.

33. A method for controlling the power input to an electrical appliance comprising:

a) providing a control mechanism to be manually activated by a user for controlling the electrical power supply from an electrical outlet to the electrical appliance wherein the control mechanism comprises an interface box interposed between the electrical outlet and the electrical appliance; and

b) providing a security means whereby only authorized persons may access the control mechanism to control the supply of electrical power from the electrical outlet to the electrical appliance

c) wherein the control mechanism further comprises a switch means wherein the switch means permits the interface box to close the electrical circuit to supply power to the electrical appliance and for permitting the interface box to open the electrical circuit to cut off power supplied to the electrical appliance.

d) wherein the control mechanism further comprises a sensing means wherein the sensing means detects a power failure or a power surge signaling the security means to open the electrical circuit in the interface box stopping power input to the electrical appliance.

34. The invention in accordance with claim 33, wherein the security means is a keylock switch having a key which is adapted to be turned in one direction to activate the control mechanism.

35. The invention in accordance with claim 33, wherein the keylock switch includes an indicator light to provide a visual display of whether or not power is being supplied from the electrical outlet to the electrical appliance.

36. The invention in accordance with claim 33, wherein the security means is a micro-controller.

37. The invention in accordance with claim 36, wherein the micro-controller includes an indicator light to provide a visual display of whether or not power is being supplied from the electrical outlet to the electrical appliance.

38. The invention in accordance with claim 36, wherein the micro-controller includes a rechargeable backup battery, wherein said backup battery supplies power to the micro-controller allowing the settings of the micro-controller to be maintained during a power outage.

39. The invention in accordance with claim 36, wherein the micro-controller includes a battery charges, wherein said battery charger recharges said backup battery.

40. The invention in accordance with claim 33, wherein the control mechanism is remotely located from the electrical outlet.

41. The invention in accordance with claim 33, wherein the security means must be reset upon resumption of power or reset after a power surge in order to re-activate the interface box.

42. The invention in accordance with claim 36, wherein the micro-controller further includes an automatic safety timer, wherein said automatic safety timer signals the micro-controller to deactivate the interface box after an elapsed period of time.

43. The invention in accordance with claim 36, wherein the micro-controller further includes a programmable timer, wherein said programmable timer signals the interface box to increase power during specific periods.

44. The invention in accordance with claim 43, wherein the programmable timer would automatically signal the interface box to supply low voltage after a certain amount of time elapses.

45. The invention in accordance with claim 33 wherein the interface box of the control mechanism further includes mechanical safety lock cover.

46. The invention in accordance with claim 36 wherein the micro-controller supplies low power to the interface box but de-activates the interface box when an abnormally high current is sensed.

47. The invention in accordance with claim 46 wherein the micro-controller must be reset in order to return power to the interface box.

48. The invention in accordance with claim 33, further including a detachable remote control, wherein said remote control can activate a micro-controller at a distance.