Power supply device system, switching power supply device, control parameter generation device, and program

• US 9,059,629 B2
• Filed: 12/07/2012
• Issued: 06/16/2015
• Est. Priority Date: 12/22/2011
• Status: Expired due to Fees

• Current Assignee: Minebea Mitsumi, Inc.
• Original Assignee: Minebea Company Limited (MinebeaMitsumi Inc.)
• Inventors: Nakamura, Yoshihiro
• Primary Examiner(s): Berhane, Adolf
• Assistant Examiner(s): Torres-Rivera, Alex
• Application Number:
  US13/708,065
• Publication Number:
  US 20130163299A1
• Time in Patent Office: 921 Days
• Field of Search: 363/78, 363/81, 363/84, 363/89
• US Class Current: 1/1
• CPC Class Codes: H02M 7/04 by static converters
• CPC Class Codes: H02M 7/217 using semiconductor devices only

Abstract

A power supply device system including: a switching power supply device converting an alternating voltage to a predetermined direct current by means of a switching operation of a switching element, and supplying the direct current to a load; a control parameter generation device generating a control parameter corresponding to at least one of the alternating voltage and the direct current; and a signal transmission unit disposed between the switching power supply device and the control parameter generation device, transmitting the control parameter to the switching power supply device, wherein the switching power supply device has a control unit detecting the direct current, storing the control parameter, and generating a driving pulse for the switching element to perform the switching operation so that the direct current becomes substantially constant, based on the direct current detected and the control parameter stored.

Claims

1. A power supply device system comprising:

a switching power supply device comprising;

a power conversion unit converting an alternating voltage supplied from an alternating power source to a predetermined direct current by means of a switching operation of a switching element, and supplying a direct current to a load; and

a control unit controlling the switching power supply device;

a control parameter generation device comprising;

an input unit selectively inputting information for specification setting; and

a processing unit generating a control parameter to control the switching power supply device based on the information for specification setting; and

a signal transmission unit disposed between the switching power supply device and the control parameter generation device, transmitting the control parameter from the processing unit of the control parameter generation device to the control unit of the switching power supply device,

wherein the control unit comprises;

a feedback circuit detecting the direct current, and determining and outputting a feedback amount in accordance with at least the detected result of the direct current;

a storage circuit storing at least the control parameter; and

a control circuit generating and outputting a driving pulse for the switching element to perform the switching operation so that the direct current becomes substantially constant, based on at least the feedback amount of the direct current detected and the control parameter stored,

wherein the control circuit of the control unit performs a control of determining a signal transmission path between the control parameter generation device and the switching power supply device via the signal transmission unit, based on a control instruction outputted from the processing unit of the control parameter generation device, and causes the storage circuit of the control unit to store the control parameter transmitted from the processing unit of the control parameter generation device, and

wherein the control parameter includes at least one of a load specification parameter based on the direct current and a source specification parameter based on the alternating voltage, and further a protection specification parameter to protect the load.

2. The power supply device system according to claim 1, wherein the input unit selectively inputs the information for specification setting based on at least visualized information for selection operation;

and the processing unit carries out a setting sequence of setting the control parameter based on the information for specification setting.

3. The power supply device system according to claim 2, wherein the visualized information for selection operation is displayed on a screen and selected by a user selection operation.

4. The power supply device system according to claim 2, wherein the processing unit carries out the setting sequence including:

signal path setting processing of determining the signal transmission path;

specification setting processing of setting the control parameter to the control unit of the switching power supply device; and

specification verification processing of verifying the control parameter thus set.

5. A switching power supply device, connected via a signal transmission unit to a control parameter generation device generating a control parameter to control the switching power supply device, the switching power supply device comprising:

a power conversion unit converting the alternating voltage to a predetermined direct current by means of a switching operation of a switching element, and supplying a direct current to a load; and

a control unit controlling the switching power supply device, the control unit comprising;

a feedback circuit detecting the direct current;

a storage circuit storing at least the control parameter; and

a control circuit generating and outputting a driving pulse for the switching element to perform the switching operation so that the direct current becomes substantially constant, based on at least the feedback amount of the direct current detected and the control parameter stored,

wherein the control circuit of the control unit performs a control of determining a signal transmission path between the control parameter generation device and the switching power supply device via the signal transmission unit, based on a control instruction outputted from a processing unit of the control parameter generation device, and causes the storage circuit of the control unit to store the control parameter transmitted from the processing unit of the control parameter generation device, and

wherein the control parameter includes at least one of a load specification parameter based on the direct current and a source specification parameter based on the alternating voltage, and further a protection specification parameter to protect the load.

6. A control parameter generation device, connected via a signal transmission unit to a switching power supply device converting an alternating voltage supplied from an alternating power source to a predetermined direct current by means of a switching operation of a switching element, and supplying a direct current to a load, for generating a control parameter to control the switching power supply device, the control parameter generation device comprising:

an input unit selectively inputting information for specification setting, from which the control parameter is generated, including at least one of a load specification based on the direct current and a source specification based on the alternating voltage, based on at least visualized information for selection operation; and

a processing unit, prior to setting the information for specification setting as the control parameter of the switching power supply device, carrying out a setting sequence including signal path setting processing of determining a signal transmission path via the signal transmission unit to the switching power supply device, a specification setting processing of setting the control parameter to the switching power supply device, and a specification verification processing of verifying the control parameter thus set;

wherein the control parameter includes at least one of a load specification parameter based on the direct current and a source specification parameter based on the alternating voltage, and further a protection specification parameter to protect the load.

7. A program executable by a computer for a control parameter generation device, connected via a signal transmission unit to a switching power supply device for converting an alternating voltage supplied from an alternating power source to a predetermined direct current by means of a switching operation of a switching element, for generating a control parameter to control the switching power supply device, the program causing the computer to:

input processing of selectively inputting information for specification setting, from which the control parameter is generated, including at least one of a load specification based on the direct current and a source specification based on the alternating voltage, based on information for selection operation displayed on a screen; and

setting sequence execution processing of determining a signal transmission path to the switching power supply device via the signal transmission unit, setting the information for specification setting as the control parameter to the switching power supply device, and verifying the control parameter thus set, based on the information for specification setting,

wherein the control parameter includes at least one of a load specification parameter based on the direct current and a source specification parameter based on the alternating voltage, and further a protection specification parameter to protect the load.