POWER SUPPLY DEVICE SYSTEM, SWITCHING POWER SUPPLY DEVICE, CONTROL PARAMETER GENERATION DEVICE, AND PROGRAM

• US 20130163299A1
• Filed: 12/07/2012
• Published: 06/27/2013
• Est. Priority Date: 12/22/2011
• Status: Active Grant

• Current Assignee: Minebea Mitsumi, Inc.
• Original Assignee: Minebea Company Limited (MinebeaMitsumi Inc.)
• Inventors: NAKAMURA, Yoshihiro
• Granted Patent: US 9,059,629 B2
• Time in Patent Office: Days
• US Class Current: 363/84
• 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 600 comprising: a switching power supply device 1 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 2; a control parameter generation device 5 generating a control parameter corresponding to at least one of the alternating voltage and the direct current; and a signal transmission unit 4 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 12 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 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 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 supplied to the load; and

a signal transmission unit disposed between the switching power supply device and the control parameter generation device, transmitting the control parameter generated by the control parameter generation device 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.

2. The power supply device system according to claim 1, wherein the control unit comprises:

a feedback circuit 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 the driving pulse based on at least the feedback amount and the control parameter,

wherein 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 control parameter generation device, and causes the storage circuit to store the control parameter transmitted from the control parameter generation device.

3. The power supply device system according to claim 2, wherein the control circuit further determines the signal transmission path based on the control instruction from the control parameter generation device, and causes the storage circuit to store the control parameter transmitted from the control parameter generation device.

4. The power supply device system according to claim 1, wherein the control parameter generation device comprises:

an input unit selectively inputting information for specification setting, from which the control parameter is generated, based on at least visualized information for selection operation; and

a processing unit carrying out a setting sequence of setting the control parameter to the switching power supply device based on the information for specification setting.

5. The power supply device system according to claim 4, wherein the visualized information for selection operation is displayed on a screen and selected by a user selection operation.

6. The power supply device system according to claim 1, 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.

7. The power supply device system according to claim 4, wherein the processing unit carries out, based on the information for specification setting, a setting sequence at least 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.

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

a control unit detecting the direct current, storing the control parameter generated by the control parameter generation device, 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.

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

10. 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 alternating voltage supplied from an alternating power source to a predetermined direct current by means of switching operation of a switching element, for generating a control parameter corresponding to at least one of direct current supplied to a load and alternating voltage,

the program causing the computer to carry out:

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 with 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.