WO2022191022A1 - モータ駆動システム - Google Patents
モータ駆動システム Download PDFInfo
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- WO2022191022A1 WO2022191022A1 PCT/JP2022/009070 JP2022009070W WO2022191022A1 WO 2022191022 A1 WO2022191022 A1 WO 2022191022A1 JP 2022009070 W JP2022009070 W JP 2022009070W WO 2022191022 A1 WO2022191022 A1 WO 2022191022A1
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- Prior art keywords
- identifier
- pairing
- motor drive
- drive system
- converter
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- 238000004891 communication Methods 0.000 claims description 46
- 230000007257 malfunction Effects 0.000 claims description 10
- 238000009499 grossing Methods 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000000717 retained effect Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 19
- 230000004048 modification Effects 0.000 description 19
- 238000010586 diagram Methods 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
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- 239000002184 metal Substances 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
Definitions
- the present invention relates to motor drive systems.
- Japanese Patent Laying-Open No. 2018-164377 discloses a motor drive device including a converter device and an inverter device connected to the converter device.
- pairing processing for pairing the converter device and the inverter device may be required.
- the operator needs to operate both the converter device and the inverter device according to a plurality of pairing procedures. Therefore, there is a demand for improving usability when pairing the converter device and the inverter device.
- an object of the present invention is to provide a motor drive system that can improve usability.
- An aspect of the present invention is a motor drive system for pairing a converter device and an inverter device, wherein one of the converter device and the inverter device is used for pairing the converter device and the inverter device.
- a portable device that stores a pairing identifier readable by the other one of the converter device and the inverter device, which duplicates the first identifier held by the portable device.
- the other device can recognize the first identifier of the one device by reading the pairing identifier of the portable device. Therefore, pairing can be completed without requiring the other device to perform a special operator operation for pairing using an operation manual or the like. As a result, usability can be improved.
- FIG. 1 is a block diagram showing the motor drive system of the embodiment.
- FIG. 2 is a block diagram showing a motor drive system of Modification 1.
- FIG. 3 is a block diagram showing a motor drive system of Modification 2.
- FIG. 4 is a block diagram showing a converter device of Modification 3. As shown in FIG.
- FIG. 1 is a block diagram showing the motor drive system 10 of the embodiment.
- a motor drive system 10 includes a converter device 12 and an inverter device 14 .
- the converter device 12 and the inverter device 14 are connected so as to be able to exchange information with each other.
- the converter device 12 is set as a pairing master
- the inverter device 14 is set as a pairing slave.
- the converter device 12 has an AC/DC conversion section 16 , a converter control section 18 and a communication circuit 20 .
- the AC/DC converter 16 converts AC power supplied from the outside into DC power.
- the converter control unit 18 controls switching of the AC/DC conversion unit 16 .
- the inverter device 14 has a smoothing capacitor 22 , a DC/AC conversion section 24 , an inverter control section 26 and a communication circuit 28 .
- Smoothing capacitor 22 smoothes the DC power converted by AC/DC converter 16 .
- the DC/AC converter 24 converts the smoothed DC power into AC power.
- the inverter control unit 26 controls switching of the DC/AC conversion unit 24 .
- the inverter device 14 drives the motor by outputting the AC power converted by the DC/AC converter 24 as driving power for the motor.
- Smoothing capacitor 22 may be mounted in converter device 12 instead of inverter device 14 .
- the communication circuit 20 of the converter device 12 and the communication circuit 28 of the inverter device 14 are wired or wirelessly connected, and exchange information regarding pairing via the wired or wireless connection.
- the wire may be a metal cable or an optical cable.
- the motor drive system 10 of this embodiment further includes a portable device 30 in addition to the converter device 12 and the inverter device 14 .
- the portable device 30 is a device that can be carried by an operator. Examples of the portable device 30 include a portable semiconductor memory, an IC tag, a card with a code, and the like. A specific example of the portable semiconductor memory is a USB memory.
- the portable device 30 has a storage unit 32.
- a pairing identifier is stored in the storage unit 32 .
- the portable device 30 is a portable semiconductor memory or an IC tag
- pairing identifier data is stored in the memory.
- the portable device 30 is a card with a code
- a pairing identifier code is attached to the surface of the card.
- the identifier for pairing is an identifier obtained by duplicating the first identifier held by converter device 12 in order for converter device 12 and inverter device 14 to perform pairing processing.
- the inverter device 14 is provided with a reader 34 that reads the pairing identifier stored in the portable device 30 .
- the reader 34 may be a memory interface.
- the memory interface has a port to which a portable semiconductor memory can be attached and detached, and reads out pairing identifier data from the storage unit 32 of the semiconductor memory attached to the port.
- the reader 34 may be an IC tag reader, and when the portable device 30 is a card with a code, the reader 34 may be a code reader.
- the reading unit 34 When reading the pairing identifier from the portable device 30, the reading unit 34 registers the pairing identifier. In this case, the communication circuit 28 of the inverter device 14 transmits the second identifier held by the inverter device 14 to the converter device 12 together with the pairing identifier using pre-registered access information of the converter device 12 .
- the communication circuit 20 of the converter device 12 When the communication circuit 20 of the converter device 12 receives the second identifier together with the pairing identifier, it recognizes that the inverter device 14 that has transmitted the second identifier is a regular pairing partner, and registers the second identifier. . In this case, communication circuit 20 communicates with communication circuit 28 .
- the communication circuit 20 of the converter device 12 may recognize that the device that transmitted the second identifier is an unauthorized pairing partner, and discard the second identifier. . In this case, communication circuit 20 rejects communication with communication circuit 28 .
- the portable device 30 is provided separately from the converter device 12 that is the pairing master and the inverter device 14 that is the pairing slave.
- Portable device 30 stores the first identifier of converter device 12 as a pairing identifier readable by inverter device 14 .
- the inverter device 14 can recognize the first identifier of the converter device 12 by reading the pairing identifier of the portable device 30 . Therefore, the identifier for pairing of converter device 12 can be registered in inverter device 14 without forcing the operator to perform a special operation regarding pairing using an operation manual or the like. As a result, usability can be improved.
- the inverter device 14 has a communication circuit 28 that communicates with the converter device 12 by wire or wirelessly.
- This communication circuit 28 transmits the pairing identifier and the second identifier of the inverter device 14 to the converter device 12 .
- converter device 12 can recognize the second identifier of inverter device 14 by receiving the second identifier from inverter device 14 . Therefore, the second identifier of inverter device 14 can be registered in converter device 12 without forcing the operator to perform a special operation regarding pairing using an operation manual or the like. As a result, usability can be improved.
- the inverter device 14 further has a reading unit 34 that reads the pairing identifier from the portable device 30 .
- the communication circuit 28 transmits the pairing identifier read by the reading unit 34 .
- the inverter device 14 can transmit the pairing identifier without forcing the operator to perform the transmission operation. Further, the inverter device 14 can make the converter device 12 recognize that it is a regular pairing partner.
- FIG. 2 is a block diagram showing the motor drive system 10 of Modification 1. As shown in FIG. In FIG. 2, the same reference numerals are assigned to the same configurations as those described in the embodiment. In addition, in this modification, the description which overlaps with embodiment is omitted.
- the inverter device 14 is set as a pairing master, and the converter device 12 is set as a pairing slave.
- the storage unit 32 of the portable device 30 stores a pairing identifier that is a copy of the first identifier held by the inverter device 14 .
- the converter device 12 is provided with a reader 34 that reads the pairing identifier stored in the portable device 30 .
- the reading unit 34 of the converter device 12 registers the pairing identifier.
- the communication circuit 20 of the converter device 12 transmits the second identifier held by the converter device 12 to the inverter device 14 together with the pairing identifier using the pre-registered access information of the inverter device 14 .
- the communication circuit 28 of the inverter device 14 When receiving the second identifier together with the pairing identifier, the communication circuit 28 of the inverter device 14 recognizes that the converter device 12 that transmitted the second identifier is a regular pairing partner, and registers the second identifier. . In this case, communication circuit 28 communicates with communication circuit 20 .
- the first identifier of the inverter device 14 serving as the pairing master is stored as a pairing identifier readable by the converter device 12 serving as the pairing slave.
- a device 30 is provided.
- the converter device 12 can recognize the first identifier of the inverter device 14 serving as the pairing master by reading the pairing identifier of the portable device 30 . Therefore, the pairing with the converter device 12 can be completed without performing a special pairing-related operation on the converter device 12 using an operation manual or the like, and as a result, usability is improved as in the embodiment. be able to.
- the converter device 12 has a communication circuit 20 that communicates with the inverter device 14 by wire or wirelessly.
- the communication circuit 20 transmits the pairing identifier and the second identifier of the converter device 12 to the inverter device 14 .
- inverter device 14 can recognize the second identifier of converter device 12 by receiving the second identifier from converter device 12 . Therefore, the operator can complete the pairing with the inverter device 14 without having to perform a special pairing-related operation on the inverter device 14 using an operation manual or the like. As a result, usability is improved. can be done.
- FIG. 3 is a block diagram showing the motor drive system 10 of Modification 2. As shown in FIG. In FIG. 3, the same reference numerals are assigned to the same configurations as those described in the embodiment. In addition, in this modification, the description which overlaps with embodiment is omitted.
- the communication circuit 28 is provided in the portable device 30 instead of the communication circuit 28 in the inverter device 14 .
- the communication circuit 20 of the converter device 12 and the communication circuit 28 of the portable device 30 are connected wirelessly.
- the communication circuit 20 and the communication circuit 28 exchange information on pairing wirelessly.
- the portable device 30 acquires the power of the inverter device 14 via the reading unit 34 and starts up using the acquired power.
- the portable device 30 acquires the second identifier held by the inverter device 14 via the reading unit 34 and sends the pairing identifier stored in the storage unit 32 to the inverter device 14 .
- the communication circuit 28 is activated using the power of the inverter device 14 .
- the communication circuit 28 transmits the second identifier acquired from the inverter device 14 and the pairing identifier stored in the storage unit 32 to the converter device 12 using access information of the inverter device 14 registered in advance. do.
- the communication circuit 28 provided in the portable device 30 uses the power of the inverter device 14 to exchange the pairing identifier and the second identifier held by the inverter device 14. , to the converter device 12 .
- the second identifier of the inverter device 14 can be transmitted to the converter device 12 together with the pairing identifier of the portable device 30 without providing the communication circuit 28 in the inverter device 14 . Therefore, compared with the case where the communication circuit 28 is provided in the inverter device 14, the size of the inverter device 14 can be reduced.
- FIG. 4 is a block diagram showing a converter device 12 of Modification 3. As shown in FIG. In FIG. 4, the same reference numerals are assigned to the same configurations as those described in the embodiment. In addition, in this modification, the description which overlaps with embodiment is omitted.
- the converter device 12 is newly provided with a determination unit 36 and a notification unit 38 .
- the determination unit 36 determines whether or not malfunction occurs with the inverter device 14 based on the operating conditions of the inverter device 14 .
- Operating conditions include, for example, an operating voltage (corresponding operating voltage) that a motor connected to the inverter device 14 can handle.
- Another example of operating conditions is the maximum capacity of smoothing capacitor 22 .
- the determination unit 36 acquires the operating conditions of the inverter device 14 after the second identifier of the inverter device 14 is registered. Note that the determination unit 36 may acquire the operating conditions of the inverter device 14 transmitted from the inverter device 14 using the communication circuit 20 . Further, the determination unit 36 may acquire the type of operating condition corresponding to the second identifier of the inverter device 14 using a table that associates the type of the inverter device 14 with the operating condition.
- the determining unit 36 recognizes whether or not the output of the motor connected to the inverter device 14 exceeds the power that can be supplied by the converter device 12 based on the acquired operating conditions.
- the determination unit 36 determines that malfunction may occur between the converter device 12 and the inverter device 14. .
- the determination unit 36 determines that malfunction cannot occur between the converter device 12 and the inverter device 14. do.
- the notification unit 38 When the determination unit 36 determines that malfunction may occur, the notification unit 38 notifies that malfunction may occur between the converter device 12 and the inverter device 14 . If converter device 12 is provided with at least one of a display unit, a speaker, and a light emitting unit, notification unit 38 may use at least one of the display unit, speaker, and light emitting unit to perform notification. Further, when an external device including at least one of a display unit, a speaker, and a light emitting unit is connected to the converter device 12, the notification unit 38 may notify by transmitting an operation signal to the external device. good.
- the motor drive system 10 of this modified example determines whether or not malfunction may occur between the converter device 12 and the inverter device 14 based on the operating conditions of the inverter device 14 . Further, when it is determined that malfunction may occur, the motor drive system 10 notifies the fact. As a result, converter device 12 can be prevented from being overloaded.
- Modification 4 The above-described embodiment and Modifications 1 to 3 may be combined arbitrarily within a consistent range.
- the present invention is a motor drive system (10) that pairs a converter device (12) and an inverter device (14).
- the other device of the converter device and the inverter device duplicates the first identifier held by one of the converter device and the inverter device.
- a portable device (30) is provided that stores a readable pairing identifier. Thereby, the other device can recognize the first identifier of the one device by reading the pairing identifier of the portable device. Therefore, the operator can complete the pairing with the other device without having to perform a special pairing-related operation on the other device using an operation manual or the like, and as a result, usability can be improved. can be done.
- the other device has a communication circuit (20 or 28) for wired or wireless communication with the one device, and the communication circuit transmits the pairing identifier and the second identifier held by the other device to the one device. may be sent to the device. Accordingly, one device can recognize the second identifier of the other device by receiving the second identifier from the other device. Therefore, it is possible for the operator to complete the pairing with one device without having to perform a special pairing-related operation on the other device using an operation manual or the like, and as a result, usability is improved. can be done.
- the portable device has a communication circuit that wirelessly communicates with one device, and the communication circuit uses the power of the other device to transmit the pairing identifier and the second identifier held by the other device, It may be sent to one device. Accordingly, one device can recognize the second identifier of the other device by receiving the second identifier from the other device. Therefore, it is possible for the operator to complete the pairing with one device without having to perform a special pairing-related operation on the other device using an operation manual or the like, and as a result, usability is improved. can be done. In addition, the size of the other device can be reduced compared to the case where the communication circuit is provided in the other device.
- the other device may have a reader (34) for reading the pairing identifier from the portable device, and the communication circuit may transmit the pairing identifier read by the reader.
- the pairing identifier can be transmitted to the operator without requiring the operator to perform a transmission operation. It can be made to recognize that it is.
- One device has a determination unit (36) that determines whether or not a malfunction can occur between one device and the other device based on the operating conditions of the other device.
- a notification unit (38) for notifying a possible determination when a possible determination is obtained may be provided. This makes it possible to avoid overloading one of the devices.
- the operating conditions may include the corresponding operating voltage of the other device or the maximum capacity of the smoothing capacitor (22) that smoothes the DC power converted by the converter device.
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Abstract
Description
図1は、実施形態のモータ駆動システム10を示すブロック図である。モータ駆動システム10は、コンバータ装置12と、インバータ装置14とを備える。コンバータ装置12とインバータ装置14とはペアリング処理を実行することで、互いの情報を授受可能に接続される。本実施形態のモータ駆動システム10では、コンバータ装置12は、ペアリングのマスターとして設定され、インバータ装置14は、ペアリングのスレーブとして設定される。
上記の実施形態は、以下のように変形してもよい。
図2は、変形例1のモータ駆動システム10を示すブロック図である。図2では、実施形態において説明した構成と同等の構成には同一の符号が付されている。なお、本変形例では、実施形態と重複する説明は割愛する。
図3は、変形例2のモータ駆動システム10を示すブロック図である。図3では、実施形態において説明した構成と同等の構成には同一の符号が付されている。なお、本変形例では、実施形態と重複する説明は割愛する。
図4は、変形例3のコンバータ装置12を示すブロック図である。図4では、実施形態において説明した構成と同等の構成には同一の符号が付されている。なお、本変形例では、実施形態と重複する説明は割愛する。
上記の実施形態および変形例1~3は、矛盾の生じない範囲で任意に組み合わされてもよい。
本発明は、コンバータ装置(12)とインバータ装置(14)とをペアリングするモータ駆動システム(10)である。モータ駆動システムは、コンバータ装置とインバータ装置とのペアリング用として、コンバータ装置およびインバータ装置のうちの一方の装置が保持する第1識別子を複製した、コンバータ装置およびインバータ装置のうちの他方の装置が読み取り可能なペアリング用識別子を記憶する可搬型機器(30)を備える。
これにより、他方の装置は、可搬型機器のペアリング用識別子を読み取ることで、一方の装置の第1識別子を認識することができる。したがって、オペレータに対して、操作マニュアル等を用いてペアリングに関する特別な操作を他方の装置に行わせることなく、他方の装置に対するペアリングを完了させることができ、この結果、使い勝手を向上することができる。
これにより、一方の装置は、他方の装置から第2識別子を受信することで、他方の装置の第2識別子を認識することができる。したがって、オペレータに対して、操作マニュアル等を用いてペアリングに関する特別な操作を一方の装置に行わせることなく、一方の装置に対するペアリングを完了させることができ、この結果、使い勝手を向上することができる。
これにより、一方の装置は、他方の装置から第2識別子を受信することで、他方の装置の第2識別子を認識することができる。したがって、オペレータに対して、操作マニュアル等を用いてペアリングに関する特別な操作を一方の装置に行わせることなく、一方の装置に対するペアリングを完了させることができ、この結果、使い勝手を向上することができる。
また、他方の装置に通信回路を設ける場合に比べて、他方の装置を小型化することができる。
これにより、オペレータに対して、送信操作を行わせることなく、ペアリング用識別子を送信することができ、また、ペアリング用識別子を送信することで、一方の装置に対して正規のペアリング相手であることを認識させることができる。
これにより、一方の装置が過負荷状態になることを回避することができる。
Claims (6)
- コンバータ装置(12)とインバータ装置(14)とをペアリングするモータ駆動システム(10)であって、
前記コンバータ装置と前記インバータ装置とのペアリング用として、前記コンバータ装置および前記インバータ装置のうちの一方の装置が保持する第1識別子を複製した、前記コンバータ装置および前記インバータ装置のうちの他方の装置が読み取り可能なペアリング用識別子を記憶する可搬型機器(30)を備える、モータ駆動システム。 - 請求項1に記載のモータ駆動システムであって、
前記他方の装置は、前記一方の装置と有線または無線で通信する通信回路(20、28)を有し、
前記通信回路は、前記ペアリング用識別子と、前記他方の装置が保持する第2識別子とを、前記一方の装置に送信する、モータ駆動システム。 - 請求項1に記載のモータ駆動システムであって、
前記可搬型機器は、前記一方の装置と無線で通信する通信回路を有し、
前記通信回路は、前記他方の装置の電力を用いて、前記ペアリング用識別子と、前記他方の装置が保持する第2識別子とを、前記一方の装置に送信する、モータ駆動システム。 - 請求項2または3に記載のモータ駆動システムであって、
前記他方の装置は、前記可搬型機器から前記ペアリング用識別子を読み取る読取部(34)を有し、
前記通信回路は、前記読取部で読み取られた前記ペアリング用識別子を送信する、モータ駆動システム。 - 請求項1~4のいずれか1項に記載のモータ駆動システムであって、
前記一方の装置は、前記他方の装置の動作条件に基づいて、前記一方の装置と前記他方の装置との間で動作不良が生じ得るか否かを判定する判定部(36)と、
前記判定部で前記動作不良が生じ得る判定が得られた場合、その旨を通知する通知部(38)と、
を備える、モータ駆動システム。 - 請求項5に記載のモータ駆動システムであって、
前記動作条件は、前記他方の装置の対応動作電圧、または、前記コンバータ装置で変換される直流電力を平滑する平滑コンデンサ(22)の最大容量を含む、モータ駆動システム。
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US18/548,592 US20240162844A1 (en) | 2021-03-10 | 2022-03-03 | Motor driving system |
CN202280018601.8A CN116964922A (zh) | 2021-03-10 | 2022-03-03 | 马达驱动系统 |
JP2023505476A JPWO2022191022A1 (ja) | 2021-03-10 | 2022-03-03 | |
DE112022000545.9T DE112022000545T5 (de) | 2021-03-10 | 2022-03-03 | Motorantriebssystem |
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JP6517862B2 (ja) | 2017-03-27 | 2019-05-22 | ファナック株式会社 | 短絡故障検出機能を備えたコンバータ装置及びコンバータ装置の短絡故障検出方法 |
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CN116964922A (zh) | 2023-10-27 |
US20240162844A1 (en) | 2024-05-16 |
DE112022000545T5 (de) | 2023-10-26 |
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