POWER SUPPLY DEVICE

• US 20170163090A1
• Filed: 07/17/2014
• Published: 06/08/2017
• Est. Priority Date: 07/17/2014
• Status: Active Grant

• Current Assignee: Fuji Corporation
• Original Assignee: Fuji Machine Manufacturing Company Limited (Fuji Corporation)
• Inventors: TAKIKAWA, Shinji, SAITO, Masaru
• Granted Patent: US 10,566,837 B2
• Time in Patent Office: Days
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H05K 13/02 Feeding of components
• CPC Class Codes: H05K 13/0417 Feeding with belts or tapes
• CPC Class Codes: H05K 13/0419 tape feeders
• CPC Class Codes: H05K 13/0885 Power supply

Abstract

An electric power supply device for supplying electric power from a supply side device to a receiver side device including a mechanism section that operates intermittently with a drive voltage and a receiver side control section that controls an operation of the mechanism section with a control voltage that is lower than the drive voltage, the electric power supply device including: a regulator section, which is provided on the receiver side device, that converts a received voltage received via an electric power supply into the control voltage; a supply voltage adjusting section, which is provided on the supply side device, that adjustably supplies the received voltage; and a supply side control section, which is provided on the supply side device, that controls the received voltage by controlling the supply voltage adjusting section.

Claims

1. An electric power supply device for supplying electric power from a supply side device to a receiver side device including a mechanism section that operates intermittently with a drive voltage and a receiver side control section that controls an operation of the mechanism section with a control voltage that is lower than the drive voltage, the electric power supply device comprising:

a regulator section, which is provided on the receiver side device, that converts a received voltage received via an electric power supply into the control voltage;

a supply voltage adjusting section, which is provided on the supply side device, that adjustably supplies the received voltage; and

a supply side control section, which is provided on the supply side device, that controls the received voltage by controlling the supply voltage adjusting section;

wherein

the supply side control section grasps a mechanism operating time period for which operation of the mechanism section is possible, allows operation of the mechanism section during the mechanism operating time period by approximately matching the received voltage to the drive voltage, and lowers the received voltage below the drive voltage for a control operation time period, which is a time period except for the mechanism operating time period.

2. The electric power supply device according to claim 1, further provided with

a control related section that causes information related to the operation of the mechanism section to be exchanged between the receiver side control section and the supply side control section, and wherein

the supply side control section grasps the mechanism operating time period by information exchange with the receiver side control section via the control related section.

3. The electric power supply device according to claim 1, wherein

the supply side control section causes the received voltage to approximately match the control voltage during the control operating time period.

4. The electric power supply device according to claim 1, further provided with

a contactless electric power supply element connected to the adjusting supply voltage section, and a contactless electric power reception element connected to the regulator section, wherein

contactless electric power supply using high frequency alternating current is performed when the contactless electric power supply element and the contactless electric power receipt element are arranged facing each other.

5. The electric power supply device according to claim 4, wherein

the supply voltage adjusting section includes a half-bridge circuit in which a high voltage side switching element and a low voltage side switching element are connected in series sandwiching an output terminal, a direct current power source is connected to both ends of the half-bridge circuit, the output terminal is connected to the contactless electric power supply element, and

the supply side control section includes a half-bridge control circuit that issues alternately and exclusively a high voltage side control signal that passes through the high voltage side switching element and a low voltage side control signal that passes through the low voltage side switching element, and that variably controls at least one of an occurrence frequency or a signal continuation time of the high voltage side control signal and the low voltage side control signal.

6. The electric power supply device according to claim 5, wherein

the half-bridge control section makes the signal continuation time a constant, controls the occurrence frequency to be high during the mechanism operating time period, and controls the occurrence frequency to be low during the control operating time period.

7. The electric power supply device according to claim 1, wherein

multiple receiver side devices that have the regulator section are provided,

the supply voltage adjusting section is configured from a drive voltage supply section adjusted such that the received voltage approximately matches the drive voltage and a control voltage supply section adjusted such that the received voltage is lower than the drive voltage, and

the supply side control section causes electric power to be supplied from the drive voltage supply section to the receiver side device during the mechanism operation time period, and causes electric power to be supplied from the control voltage supply section to the receiver side device during the control operating time period.

8. The electric power supply device according to claim 1, wherein

the supply side device is a main body of a board work machine that performs specified work on a board, and

the receiver side device is a loading device that is loaded on the board work machine.

9. The electric power supply device according to claim 8, wherein

the main body of the board work machine is a main body of a component mounter that mounts electronic components on a board, the loading device is a component supply device that is detachably loaded on the component mounter and that supplies electronic components, the mechanism section includes a motor, and the receiver side control section controls an operation of the motor.

10. The electric power supply device according to claim 9, wherein

an upper control section provided on the main body of the component mounter sends various command information for operating each of the motors of the multiple feeder devices to each receiver side control section via the supply side control section based on the progress of the mounting sequence that indicates the mounting order of the electronic components and the feeder devices that supply the electronic components, and wherein

the supply side control section grasps the mechanism operating time period of each of the motors of the multiple feeder devices based on each piece of the command information.