Electric power supply and related methods

• US 8,587,148 B2
• Filed: 06/20/2012
• Issued: 11/19/2013
• Est. Priority Date: 04/22/2008
• Status: Expired due to Fees

• Current Assignee: Belkin International Incorporated (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Belkin International Incorporated (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Garb, Jeffrey W., Reynolds, Matthew S., Brewer, Timothy, Seal, Joshua
• Primary Examiner(s): Amrany, Adi
• Application Number:
  US13/528,791
• Publication Number:
  US 20120293153A1
• Time in Patent Office: 517 Days
• Field of Search: 307/39, 307/41
• US Class Current: 307/39
• CPC Class Codes: G06F 1/266 Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
• CPC Class Codes: H01R 13/6675 with built-in power supply
• CPC Class Codes: H01R 31/065 with built-in electric apparatus
• CPC Class Codes: H02J 3/00 Circuit arrangements for ac mains or ac distribution networks
• CPC Class Codes: H02J 9/005 using a power saving mode for copiers G03G15/5004
• CPC Class Codes: Y10T 29/49002 Electrical device making

Abstract

Some embodiments include an improved electric power supply. Other embodiments of related systems and methods are disclosed.

Claims

1. An electrical system comprising:

an electrical input module configured to receive input electricity;

an electrical output module configured to provide output electricity to an electrical load coupled thereto;

a switch module coupled to the electrical input module;

a startup module coupled to the switch module;

a power conservation module coupled to the switch module; and

an electrical assembly comprising at least the switch module, the startup module, and the power conservation module;

wherein;

the electrical assembly is powered by operational electricity derived from the input electricity;

the output electricity is derived from the input electricity at the electrical assembly;

the electrical system is configured to operate in;

a startup state; and

a run state following the startup state;

during the startup state, the switch module couples the electrical input module to the startup module;

during the run state, the switch module couples the electrical input module to the power conservation module and to the electrical output module; and

the operational electricity is greater during the startup state than during the run state.

2. The electrical system of claim 1, wherein:

the electrical system is further configured to operate in a standby state; and

further comprising at least one of;

a standby actuator coupled to the startup module;

a toggle module configured to output a toggle signal for switching the electrical system from the run state to the standby state;

a control module coupled to the switch module;

or

an electricity-supply module configured to power the switch module and the control module.

3. The electrical system of claim 2, wherein:

during the standby state, the electrical input module is;

decoupled from the electricity-supply module; and

decoupled from the electrical output module;

during the startup state;

the electrical input module is;

coupled through the switch module to the electricity-supply module via the startup module;

and

decoupled from the electrical output module; and

the operational electricity is sourced by the electricity-supply module through the startup module;

and

during the run state;

the electrical input module is;

coupled through the switch module to the electricity-supply module via the power conservation module; and

coupled to the electrical output module;

and

the operational electricity is sourced by the electricity-supply module through the power conservation module.

4. The electrical system of claim 2, wherein:

when actuated, the standby actuator is configured to cause toggling of the electrical system from the run state to the standby state.

5. The electrical system of claim 3, wherein:

the standby actuator comprises at least one of;

a manual switch, a momentary switch, a push button switch, or a start/stop button.

6. The electrical system of claim 2, wherein:

the toggle module is coupled to the standby actuator and configured to alter the toggle signal when

the standby actuator is actuated during the run state of the electrical system.

7. The electrical system of claim 2, wherein:

the standby actuator is configurable between;

a default condition; and

an actuated condition;

while the electrical system is in the standby state;

the default condition of the standby actuator is configured to;

maintain the electrical input module electrically isolated from at least one of the startup module or the power conservation module;

while the electrical system is in the run state and the standby actuator is in the default condition;

the electrical input module is coupled to the toggle module such as to establish the toggle signal via the toggle module;

while the electrical system is in the run state and the standby actuator is in the actuated condition;

the electrical input module is decoupled from the toggle module such as to interrupt the toggle signal, thereby requesting the toggling of the run state to the standby state.

8. The electrical system of claim 7, wherein:

while the electrical system is in the run state and the standby actuator is in the default condition, the electrical input module is coupled to the toggle module via at least the power conservation module.

9. The electrical system of claim 7, wherein:

while the electrical system is in the run state and the standby actuator is in the default condition, the electrical input module is coupled to the toggle module via at least the power conservation module and the startup module.

10. The electrical system of claim 2, wherein:

the control module is coupled to the toggle module and to the switch module;

when the electrical system is in the run state, the control module is configured to;

monitor the toggle signal from the toggle module; and

output a switch control signal to the switch module when the toggle signal is interrupted;

and

upon receipt of the switch control signal, the switch module is configured to;

decouple the electrical input module from the power conservation module and from the electrical output module.

11. The electrical system of claim 2, wherein:

the control module is coupled to the switch module and to a timing actuator;

the timing actuator is configured to receive a timing input indicative of a time duration for maintaining the electrical system in the run state;

when the electrical system is in the run state, the control module is configured to;

monitor for receipt of the timing input at the timing actuator;

monitor for completion of the time duration specified by the time duration input; and

output a timed switch control signal to the switch module upon completion of the time duration;

and

upon receipt of the timed switch control signal, the switch module is configured to;

decouple the electrical input module from the power conservation module and from the electrical output module.

12. The electrical system of claim 2, wherein:

the standby actuator comprises;

a first standby actuator terminal coupled to the startup module;

a second standby actuator terminal coupled to the switch module; and

a third standby actuator terminal coupled to the toggle module;

and

the standby actuator is configurable between;

a default condition comprising the first standby actuator terminal coupled to the third standby actuator terminal; and

an actuated condition comprising the first standby actuator terminal coupled to the second standby actuator terminal.

13. The electrical system of claim 12, wherein:

the startup module comprises;

a first startup resistor coupled between the first standby actuator terminal and the electricity-supply module.

14. The electrical system of claim 13, wherein:

the power conservation module comprises;

a conservation capacitor coupled between the switch module and the electricity-supply module.

15. The electrical system of claim 14, wherein:

the power conservation module further comprises;

a first conservation resistor coupled between first and second ends of the conservation capacitor.

16. The electrical system of claim 15, wherein:

the power conservation module further comprises a second conservation resistor;

the first conservation resistor is coupled between the first end of the conservation capacitor and the second conservation resistor; and

the second conservation resistor is coupled between the second end of the conservation capacitor and the first conservation resistor.

17. The electrical system of claim 14, wherein:

the first startup resistor and the conservation capacitor are coupled together at a junction node; and

the electricity-supply module is configured to receive, via the junction node, at least a portion of the input electricity to generate the operational electricity therefrom.

18. The electrical system of claim 17, wherein:

the electricity-supply module is coupled to the junction node via a junction resistor.

19. The electrical system of claim 12, wherein:

the toggle module comprises;

a toggle inner node coupling together first, second, and third toggle resistors and a first toggle capacitor; and

a toggle output node coupled to the control module;

the first toggle resistor is coupled between the toggle inner node and the third standby actuator terminal of the standby actuator;

the second toggle resistor is coupled between the toggle inner node and ground;

the toggle capacitor is coupled between the toggle inner node and ground; and

the third toggle resistor is coupled between the toggle inner node and the toggle output node.

20. The electrical system of claim 2, wherein:

the switch module comprises;

a relay comprising;

a first relay terminal coupled to the electrical input module;

a second relay terminal coupled to the standby actuator; and

a third relay terminal coupled to the power conservation module and to the electrical output module;

a relay coil;

a first relay coil terminal coupled to the electricity-supply module; and

a second relay coil terminal coupled to ground;

and

the switch module is configurable between;

an unlatched condition comprising the first relay terminal coupled to the second relay terminal when the relay coil is de-energized; and

a latched condition comprising the first relay terminal coupled to the third relay terminal when the relay coil is energized.

21. The electrical system of claim 20, wherein:

when the electrical system is in either of the standby state or the startup state, the switch module is in the unlatched condition; and

when the electrical system is in the run state, the switch module is in the latched condition.

22. The electrical system of claim 20, wherein:

the switch module further comprises;

a transistor comprising;

a first terminal coupled to the first relay coil terminal;

a second terminal coupled to ground; and

a control terminal coupled to the control module and configured to receive a switch control signal therefrom;

and

when the switch control signal is received from the control module, the transistor is actuated to de-energize the relay coil and set the switch module to the unlatched condition and thereby transition the electrical system from the run state to the standby state.

23. A method for selectively coupling an electrical input to an electrical output via an electrical assembly such as to make available output electricity to the electrical output,

the electrical input being configured to receive input electricity,

the electrical output being configured to be coupled to at least one electrical load,

the electrical assembly comprising a switch module, a startup module, and a power conservation module;

the method comprising;

performing a startup state for the electrical assembly by;

coupling the electrical input to a power supply module via the startup module of the electrical assembly;

sourcing, with the power supply, a first operational electricity through the startup module from the input electricity; and

powering the switch module to latch, using power derived by the power supply module from the first operational electricity, to thereby;

couple the electrical input to the electrical output; and

couple the electrical input to the power supply module via the power conservation module;

and

maintaining a run state for the electrical assembly by;

sourcing, with the power supply, a second operational electricity through the power conservation module from the input electricity; and

powering the switch module to remain latched using power derived by the power supply module from the second operational electricity;

wherein the first operational electricity is greater than the second operational electricity.

24. The method of claim 23, further comprising:

toggling the electrical assembly from the run state to a standby state by

unlatching the switch module to decouple the electrical input from the power conservation module and from the electrical output.

25. The method of claim 24, wherein:

maintaining the run state comprises;

outputting a toggle signal from a toggle module of the electrical assembly, the toggle module coupled to the power conservation module via an standby actuator;

and

unlatching the switch module comprises;

actuating the standby actuator to decouple the toggle module from the power conservation module and thereby interrupt the toggle signal; and

outputting a switch control signal from a control module of the electrical assembly when the control module detects that the toggle signal from the toggle module has been interrupted,

the switch control signal configured to unlatch the switch module.

26. The method of claim 24, wherein:

maintaining the run state comprises;

monitoring for completion of a time duration specified by a time duration input at a control module of the electrical assembly;

and

unlatching the switch module comprises;

outputting a switch control signal from the control module of the electrical assembly upon completion of the time duration,

the switch control signal configured to unlatch the switch module.

27. A method for manufacturing an electrical system, the method comprising:

providing an electrical input module configured to receive input electricity;

providing an electrical output module configured to provide output electricity to an electrical load coupled thereto;

providing a switch module;

providing a startup module;

providing a power conservation module; and

coupling the switch module, the startup module, and the power conservation module together into an electrical assembly; and

configuring the electrical system to operate in;

a startup state; and

a run state following the startup state;

wherein;

the electrical assembly is configured to be powered by operational electricity derived from the input electricity;

during the startup state, the switch module is configured to couple the electrical input module to the startup module;

during the run state, the switch module is configured to couple the electrical input module to the power conservation module and to the electrical output module; and

the operational electricity is greater during the startup state than during the run state.

28. The method of claim 27, further comprising:

providing at least one of;

a standby actuator coupled to the startup module;

a toggle module configured to output a toggle signal for switching the electrical system from the run state to a standby state;

a control module coupled to the switch module;

or

an electricity-supply module configured to power the switch module and the control module;

and

configuring the electrical system to operate in the standby state;

wherein, when actuated, the standby actuator is configured to cause toggling of the electrical system from the run state to the standby state.

29. The method of claim 28, wherein:

during the standby state, the electrical input module is configured to be;

decoupled from the electricity-supply module; and

decoupled from the electrical output module;

during the startup state;

the electrical input module is configured to be;

coupled through the switch module to the electricity-supply module via the startup module;

and

decoupled from the electrical output module; and

the operational electricity is configured to be sourced by the electricity-supply module through the startup module;

and

during the run state;

the electrical input module is configured to be;

coupled through the switch module to the electricity-supply module via the power conservation module; and

coupled to the electrical output module;

and

the operational electricity is configured to be sourced by the electricity-supply module through the power conservation module.

30. The method of claim 28, wherein:

the toggle module is configured to be coupled to the standby actuator and to alter the toggle signal when the standby actuator is actuated during the run state of the electrical system;

the standby actuator is configurable between;

a default condition; and

an actuated condition;

while the electrical system is in the standby state;

the default condition of the standby actuator is configured to;

maintain the electrical input module electrically isolated from at least one of the startup module or the power conservation module;

while the electrical system is in the run state and the standby actuator is in the default condition;

the electrical input module is configured to be coupled to the toggle module such as to establish the toggle signal via the toggle module;

and

while the electrical system is in the run state and the standby actuator is in the actuated condition;

the electrical input module is configured to be decoupled from the toggle module such as to interrupt the toggle signal, thereby requesting the toggling of the run state to the standby state.