Power supply control device and power supply control method for component supply device
地域：
Chiryu
摘要
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.
說明書
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The present application relates to a power supply control device and power supply control method in a component supply device loaded with multiple exchangeable tape feeders, the device and method being for controlling the consumption current supplied from a power supply device to a loaded tape feeder.
As equipment for performing board production, there are solder printers, component mounters, reflow ovens, inspection machines, and so on. Conventionally, this equipment is connected to form a board production line. Such component mounters are provided with a board conveyance device, a component supply device, and a component transfer device on a base. With a component supply device having a typical configuration, in many cases multiple tape feeders that feed carrier tape are lined up in a row on the component supply device, with the component supply device being removably attached to a base. When such a component supply device is attached to the base, the component supply device is connected to a power supply device used for machine operations such that consumption current is supplied to each feeder.
權(quán)利要求
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 , whereinthe 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 , whereinthe 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 , whereinthe 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 , whereinthe 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 , whereinthe 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. 8. The power supply control device according to claim 3 , whereinthe tape feeder includesan individual instruction receiving section configured to receive the individual instruction via an operator command and send the individual instruction to the processing circuitry, and a notification section configured to notify the operator of a delay or a cancellation to the unloading operation in a case in which the operator command has been issued and the unloading operation has been stopped by the processing circuitry. 9. The power supply control device according to claim 1 , whereinthe processing circuitry is configured to perform communication with the multiple tape feeders, and to receive a value of a consumption current corresponding to a current state from the tape feeders with which communication was performed, or a value of an operating consumption current corresponding to a case supposing an operating state in which the unloading operation is being performed. 10. The power supply control device according to claim 1 , whereinthe processing circuitry is configured tohold a consumption current by state and type table showing relationships between unit types of the tape feeders, the states of the tape feeders, and the consumption currents of the tape feeders, request the multiple tape feeders for a unit type and a current state and receive a reply from the requested tape feeders of the unit type and the current state, or, suppose an operating state of the multiple tape feeders performing the unloading operation, request the multiple tape feeders for the unit type of the tape feeders, and receive a reply from the requested tape feeders of the unit type, and reference the received reply with the consumption current by state and type table, and acquire the consumption current corresponding to the state of the requested tape feeders. 11. The power supply control device according to claim 1 , whereinthe processing circuitry is configured tohold a consumption current by state and individual unit table showing relationships between identification codes that identify individual units of the tape feeders, the states of the tape feeders, and the consumption currents of the tape feeders, request the multiple tape feeders for an identification code and a current state and receive a reply from the requested tape feeders of the identification code and the current state, or, suppose an operating state of the multiple tape feeders performing the unloading operation, request the multiple tape feeders about the identification code of the tape feeders, and receive a reply from the requested tape feeders of the identification code, and reference the received reply with the consumption current by state and individual unit table, and acquire the consumption current corresponding to the state of the requested tape feeders. 12. The power supply control device according to claim 1 , whereinthe tape feeder includes a feeding motor configured to feed the carrier tape with taped electronic components from a supply reel, and the unloading operation includes reverse-driving the feeding motor. 13. The power supply control device according to claim 12 , whereinthe processing circuitry, in a case of performing the unloading operation at multiple of the tape feeders, divides the multiple tape feeders into feeder sets configured from at least two tape feeders, and makes it such that the total consumption current obtained by adding together an operating consumption current corresponding to the second state, and a standby consumption current corresponding to the first state is in a range that does not exceed the output current capacity, and performs the unloading operation in individual order of the feeder sets. 14. The power supply control device according to claim 13 , whereinthe processing circuitry is configured to optimize combinations of the tape feeders that configure the feeder sets. 15. The power supply control device according to claim 1 , whereinthe power supply device is a power supply device for machine operations inside a component mounter in a case in which the component supply device is loaded on the component mounter, and is a power supply device for external changeover in a case in which the component supply device is removed from the component mounter. 16. A power supply control device of a component supply device for controlling a consumption current supplied from a power supply device to multiple tape feeders, 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 limit an actual total consumption current obtained by adding together the consumption current output to each of the multiple tape feeders, including a first consumption current for every tape feeder of the tape feeders corresponding to a first state in which the unloading operation is not being performed but current is being consumed and a second consumption current for every tape feeder corresponding to a second state in which the unloading operation is being performed or is being prepared to be performed, from the power supply device to a current equal to or less than an output current capacity of the power supply device. 17. A power supply control method for a component supply device for controlling a consumption current supplied from a power supply device to multiple tape feeders, 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 method comprising:acquiring the consumption current corresponding to a state of each the multiple tape feeders 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; calculating a total consumption current that is a total of the consumption currents of each of the multiple tape feeders including a first consumption current for every tape feeder corresponding to the first state and as second state consumption current for every tape feeder corresponding to the second state; and controlling 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. 18. The power supply control device according to claim 1 , whereinthe processing circuitry is configured to use a total value of the first consumption currents of each of the multiple feeders as an initial value of the total consumption current in the control of the unloading operation of the multiple tape feeders. 19. The power supply control device according to claim 1 , whereinthe first state is a standby state, the first consumption current is a standby consumption current, and the processing circuitry is configured to use a total value of the standby consumption currents of each of the multiple feeders as an initial value of the total consumption current in the control of the unloading operation of the multiple tape feeders. 20. The power supply control device according to claim 15 , wherein the processing circuitry is configured to control the unloading operation of the multiple tape feeders within the range in which the total consumption current does not exceed the output current capacity of the power supply device while the component supply device is removed from the component mounter.
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