Power supply control device and power supply control method for component supply device

Patent metadata

Field	Value
Publication number	US-11051439-B2
Application number	US-201515776121-A
Country	US
Kind code	B2
Filing date	Nov 30, 2015
Priority date	Nov 30, 2015
Publication date	Jun 29, 2021
Grant date	Jun 29, 2021

Abstract

A power supply control device for controlling a consumption current supplied from a power supply device to a tape feeder loaded on a component supply device, the component supply device being exchangeably loaded with multiple of the tape feeders, the power supply control device including: a consumption current acquiring section configured to acquire the consumption current corresponding to a state of the multiple tape feeders; a total consumption current calculating section configured to calculate a total consumption current that is a total of each of the consumption currents of the multiple tape feeders; and an operation controlling section configured to control the specified operation of the multiple tape feeders within a range in which the total consumption current does not exceed an output current capacity of the power supply device.

First claim

The invention claimed is:

1. A power supply control device of a component supply device for controlling a consumption current supplied from a power supply device to a tape feeder loaded on the component supply device, the component supply device being exchangeably loaded with multiple of the tape feeders to which the consumption current is supplied and that perform an unloading operation of ejecting a carrier tape from the tape feeder by reverse driving a motor of the tape feeder, the power supply control device comprising:
processing circuitry configured to:
acquire the consumption current corresponding to a state of each of the multiple tape feeders loaded on the component supply device based on a measured value or a design value, each of the multiple tape feeders corresponding to one of a first state in which the unloading operation is not being performed but current is being consumed and a second state in which the unloading operation is being performed or is being prepared to be performed;
calculate a total consumption current that is a total of each of the consumption currents corresponding to the multiple tape feeders including a first consumption current for every tape feeder corresponding to the first state and a second consumption current for every tape feeder corresponding to the second state; and
control the unloading operation of the multiple tape feeders within a range in which the total consumption current does not exceed an output current capacity of the power supply device.

2. The power supply control device according to claim 1 , wherein
the first state is a standby state,
the first consumption current is a standby consumption current,
the second state includes a preparation state of preparing for the unloading operation or an operating state in which the unloading operation is being performed,
the second consumption current includes a preparation consumption current or an operating consumption current,
the consumption current corresponding to the state of the tape feeder includes the standby consumption current corresponding to the standby state, the preparation consumption current corresponding to the preparation state, and the operating consumption current corresponding to the operating state, and
the processing circuitry determines or supposes which of the standby state, the preparation state, and the operating state the multiple tape feeders are in, and acquires the corresponding one of the standby consumption current, the preparation consumption current, and the operating consumption current.

3. The power supply control device according to claim 2 ,
wherein the processing circuitry is configured to receive at least one of an individual instruction for performing the unloading operation at one of the multiple tape feeders, or an all-at-once instruction for performing the unloading operation at all of the multiple tape feeders.

4. The power supply control device according to claim 3 , wherein
the processing circuitry is configured to hold a determination order that determines whether the unloading operation of the multiple tape feeders is to be performed, and to set an order in which to instruct the tape feeders to perform the operation based on the determination order when the processing circuitry has received multiple of the individual instructions at the same time or has received the all-at-once instruction,
the processing circuitry is configured to acquire the operating consumption current corresponding to a supposed operation state when the unloading operation is being performed by the tape feeders instructed to perform the operation, and to acquire the consumption current corresponding to a current state of the other tape feeders,
the processing circuitry is configured to calculate the total consumption current by adding together the operating consumption current of the tape feeders instructed to perform the operation, and the consumption current corresponding to the current state of the other tape feeders, and
the processing circuitry is configured to perform the unloading operation of the tape feeders instructed to perform the operation if the total consumption current is equal to or less than the output current capacity, and to not perform the unloading operation of the tape feeders instructed to perform the operation if the total consumption current exceeds the output current capacity.

5. The power supply control device according to claim 3 , wherein
the processing circuitry is configured to determine a priority order in which the multiple tape feeders are to perform the unloading operation, and to set the tape feeders instructed to perform the unloading operation in an order based on the priority order when the processing circuitry has received multiple of the individual instructions at the same time or has received the all-at-once instruction,
the processing circuitry is configured to acquire the operating consumption current corresponding to a supposed operation state when the unloading operation is being performed by the tape feeders instructed to perform the operation, and to acquire the consumption current corresponding to a current state of the other tape feeders,
the processing circuitry is configured to calculate the total consumption current by adding together the operating consumption current of the tape feeders instructed to perform the operation, and the consumption current corresponding to the current state of the other tape feeders, and
the processing circuitry is configured to perform the unloading operation of the tape feeders instructed to perform the operation if the total consumption current is equal to or less than the output current capacity, and to not perform the unloading operation of the tape feeders instructed to perform the operation if the total consumption current exceeds the output current capacity.

6. The power supply control device according to claim 3 , wherein
the processing circuitry is configured to suppose a case in which a specific quantity of the multiple tape feeders are to perform the unloading operation corresponding to multiple individual instructions,
the processing circuitry is configured to acquire the operating consumption current corresponding to a supposed operation state when the unloading operation is being performed by the specific quantity of the tape feeders, and to acquire the consumption current corresponding to a current state of the other tape feeders,
the processing circuitry is configured to calculate the total consumption current by adding together the operating consumption current of the specific quantity of the tape feeders, and the consumption current corresponding to the current state of the other tape feeders, and
the processing circuitry is configured to perform the unloading operation of the specific quantity of the tape feeders if the total consumption current is equal to or less than the output current capacity, and, if the total consumption current exceeds the output current capacity, make an actual total consumption current equal to or less than the output current capacity by reducing an actual operating consumption current by slowing an operation speed of the unloading operation for at least one of the specific quantity of the tape feeders.

7. The power supply control device according to claim 3 , wherein
the processing circuitry is configured to suppose a case in which a specific quantity of the multiple tape feeders are to perform the unloading operation corresponding to multiple individual instructions,
the processing circuitry is configured to acquire the operating consumption current corresponding to a supposed operation state when the unloading operation is being performed by the specific quantity of the tape feeders, and to acquire the consumpti

Assignees

• Fuji Corp

Inventors

• Fukaya Yoshiyuki
• MATSUYAMA Kazuya
• Sawanami Hisato
• Takahama Toru

Classifications

• H05K13/0885

  Power supply · CPC title

• G05B15/02

  electric · CPC title

• H05K13/0419 Primary

  tape feeders · CPC title