Power converter system having adaptor unit for generating multiple output voltage values

• US 20050259456A1
• Filed: 05/23/2005
• Published: 11/24/2005
• Est. Priority Date: 05/21/2004
• Status: Active Grant

• Current Assignee: Delta Electronics Incorporated
• Original Assignee: Delta Electronics Incorporated
• Inventors: Chiang, Chin-Tsai
• Granted Patent: US 7,245,515 B2
• Time in Patent Office: Days
• US Class Current: 363/146
• CPC Class Codes: G06F 1/26 Power supply means, e.g. regulation thereof for memories G11C
• CPC Class Codes: H01R 13/6675 with built-in power supply
• CPC Class Codes: H01R 31/06 Intermediate parts for linking two coupling parts, e.g. adapter with a holder adapted for supporting apparatus to which its counterpart is attached H01R33/94
• CPC Class Codes: H01R 31/065 with built-in electric apparatus

Abstract

The proposed power converter system includes: a main body component having a case, an input terminal, a power converter circuit electrically connected to the input terminal, a plurality of resistors electrically connected to the power converter circuit, and a first connecting port electrically connected to each of the resistors, and a plurality of adaptor units each having an adaptor. Each of the adaptors is employed to let the power converter circuit generate a specific output voltage value and includes: an input connecting port coupled to the first connecting port to let each of the resistors become one of the grounded state, the open-circuited state, and the coupled to the output voltage state, and an output port coupled to the input connecting port for outputting the output voltage.

Claims

1. A power converter system for converting an input voltage to an output voltage, comprising:

a main body component, comprising;

a case;

an input terminal for receiving said input voltage;

a power converter circuit electrically connected to said input terminal for generating said output voltage and providing one of an over-current protection, an over-voltage protection, an over-current and over-voltage protection, and no over-current and over-voltage protection, comprising;

a output voltage terminal; and

a common ground terminal;

a plurality of resistors having one end of each said resistor electrically connected to said power converter circuit; and

a first connecting port electrically connected to said output voltage terminal and said common ground terminal of said power converter circuit, and the other end of each said resistor; and

a first set of plurality of adaptor units, wherein each of said adaptor unit is employed for generating one of a plurality of various voltage values of said output voltage by said power converter circuit, each said adaptor unit comprising;

an input connecting port having one end electrically connected to said first connecting port and having the other end with a plurality of connectors,

wherein each of said connectors is one of an output voltage connector connected to said first connecting port through said one end thereof so as to be electrically connected to said output voltage terminal for outputting said output voltage, a common ground connector connected to said first connecting port through said one end thereof so as to be electrically connected to said common ground terminal, an interconnecting connector, all of which are connected to one of said output voltage connector and said common ground connector, and an open-circuit connector for forming an open circuit thereof; and

an output connecting port electrically connected to said output voltage connector and said common ground connector for outputting said output voltage,

wherein the other end of each said resistor is connected to said input connecting port of each said adaptor unit through said first connecting port to be electrically connected to one of said interconnecting connector and said open-circuit connector so as to be in one of an electrically conductive state and an electrically unconductive state respectively, and said output voltage is formed accordingly.

2. The system according to claim 1, wherein said output connecting port of each said adaptor unit further comprises a foolproof device and is electrically connected to an electronic device.

3. The system according to claim 2, wherein each of said adaptor units is an adaptor.

4. The system according to claim 3, wherein each said adaptor unit further comprises an output power cord, and said cord comprises:

a second connecting port having one end electrically connected to said first connecting port;

a connecting cord having one end integrally formed with and electrically connected to the other end of said second connecting port; and

a third connecting port having one end integrally formed with and electrically connected to the other end of said connecting cord and having the other end electrically connected to said one end of said input connecting port of said adaptor.

5. The system according to claim 3, wherein each said adaptor unit further comprises an output power cord, and said cord comprises:

a connecting cord having one end integrally formed with and electrically connected to said first connecting port; and

a second connecting port having one end integrally formed with and electrically connected to the other end of said connecting cord and having the other end electrically connected to said one end of said input connecting port of said adaptor.

6. The system according to claim 3, wherein each said adaptor unit further comprises an output power cord, and said cord comprises:

a second connecting port having one end electrically connected to said first connecting port; and

a connecting cord having one end integrally formed with and electrically connected to the other end of said second connecting port and having the other end integrally formed with and electrically connected to said one end of said input connecting port of said adaptor.

7. The system according to claim 2, wherein said power converter circuit is employed to generate a pre-determined output voltage value and provide one of a pre-determined over-current protection value, a pre-determined over-voltage protection value, a set of pre-determined over-current protection and over-voltage protection values, and no over-current protection and over-voltage protection values in one of a state of all said adaptor units being separated from said main body component and a state of all said resistors being electrically unconductive.

8. The system according to claim 2, wherein each of said resistors is electrically connected to one of said output voltage connector, said common ground connector, and said open-circuit connector through said first connecting port and said input connecting port of each said adaptor unit selectively so as to form a connecting circuit in each said adaptor unit according to design requirements, and each of N said resistors is selectively involved in an operation of said power converter circuit so as to form two to the power of N configurations of said connecting circuits of said adaptor units, and two to the power of N output voltage values of said output voltage are generated accordingly.

9. The system according to claim 8, wherein said power converter circuit further comprises:

a voltage-divider circuit;

an over-current protection circuit; and

an over-voltage protection circuit.

10. The system according to claim 9, wherein said output voltage, and an over-current protection and an over-voltage protection of said output voltage are generated by said voltage-divider circuit, said over-current protection circuit, and said over-voltage protection circuit according to whether each said resistor is in one of said electrically conductive state and said electrically unconductive state when said first connecting port and said input connecting port of said adaptor units are electrically connected and each said resistor is selectively involved in said operation of said power converter circuit.

11. The system according to claim 9, wherein said voltage-divider circuit, said over-current protection circuit, and said over-voltage protection circuit are electrically connected to said one end of each said resistor, and whether each said resistor is in one of said electrically conductive state and said electrically unconductive state is determined by said connecting circuit in each said adaptor unit.

12. The system according to claim 2, wherein said input voltage is provided by one of an AC power source and a DC power source.

13. The system according to claim 12, wherein said output voltage is a DC output voltage.

14. The system according to claim 13 being a single input converter when only one of said AC power source and said DC power source is received by said input terminal.

15. The system according to claim 13 being a dual input converter when said input terminal has an AC power input and a DC power input ports for receiving said AC power source and said DC power source respectively.

16. The system according to claim 15, wherein said power converter circuit further comprises an AC/DC converter circuit and a DC/DC converter circuit.

17. The system according to claim 16, wherein said DC/DC converter circuit is a DC/DC buck converter circuit for converting a DC input voltage into a relatively lower DC output voltage.

18. The system according to claim 16, wherein said input voltage is an AC input voltage to be converted into a relatively higher DC output voltage by said AC/DC converter circuit.

19. The system according to claim 18, wherein said DC/DC converter circuit is a DC/DC boost converter circuit for converting a DC input voltage into said relatively higher DC output voltage.

20. The system according to claim 19, wherein said dual input converter further comprises a buck converter circuit.

21. The system according to claim 20, wherein said buck converter circuit is employed to convert said relatively higher DC output voltage into a relatively lower DC output voltage.

22. The system according to claim 21, wherein said AC/DC converter circuit, said DC/DC converter circuit, and said buck converter circuit respectively have a feedback circuit so as to modulate said output voltage.

23. The system according to claim 22, wherein said buck converter circuit further comprises a power converter subsystem, and said power converter subsystem is employed with a second set of plurality of adaptor units to convert said relatively higher DC output voltage into said relatively lower DC output voltage having a plurality of different voltage values.

24. The system according to claim 23, wherein said power converter system and said power converter subsystem have different sets of design parameters comprising the number of said adaptor units, said output voltage with various voltage values, said relatively lower DC output voltage with different voltage values, number of resistors, and resistance values, and said main body component of said power converter system and a main body component of said power converter subsystem can be both installed in said case.

25. The system according to claim 24, wherein said power converter circuit further comprises a converter shut-down circuit, said converter shut-down circuit is employed when said power converter circuit is in one of an over-current status and an over-voltage status, and said power converter circuit has an over-current protection circuit and an over-voltage protection circuit for receiving an over-current/over-voltage control signal and outputting a shut-down control signal respectively so as to shut-down said power converter circuit.

26. A power converter system for converting an input voltage to an output voltage, comprising:

a main body component, comprising;

a power converter circuit for generating said output voltage;

a resistor having one end electrically connected to said power converter circuit; and

a first connecting port electrically connected to the other end of said resistor; and

a plural adaptor unit, comprising;

an input connecting port having one end electrically connected to said first connecting port and having the other end with plural connectors,

wherein the other end of said resistor is electrically connected to said input connecting port through said first connecting port to be electrically connected to one of said connectors so as to be in one of an electrically conductive state and an electrically unconductive state respectively, and said output voltage is formed accordingly.