JP2018162881A5 - Drive circuit and load device with drive circuit - Google Patents
Drive circuit and load device with drive circuit Download PDFInfo
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- JP2018162881A5 JP2018162881A5 JP2017079283A JP2017079283A JP2018162881A5 JP 2018162881 A5 JP2018162881 A5 JP 2018162881A5 JP 2017079283 A JP2017079283 A JP 2017079283A JP 2017079283 A JP2017079283 A JP 2017079283A JP 2018162881 A5 JP2018162881 A5 JP 2018162881A5
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- drive circuit
- load device
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- 238000001514 detection method Methods 0.000 claims 1
- 230000000051 modifying Effects 0.000 claims 1
Claims (12)
電源供給を受けるための直流電源２線と、
前記直流電源２線とは別に、前記負荷機器の駆動停止の指示を外部から受け付ける信号線と、
第１の期間に前記負荷機器に対して第１の電圧を印加することにより前記負荷機器を起動させ、前記第１の期間に続く第２の期間に前記負荷機器に対して第２の電圧を印加することにより前記負荷機器の駆動状態を維持し、前記駆動停止の指示により前記第２の電圧の印加を停止するスイッチ制御部と、
前記負荷機器に流れる電流を検出する電流検出部と、
前記電流の時間変化率を算出する時間変化率算出部と、
前記第１の電圧の印加開始後、前記電流が一旦最大値に到達して前記時間変化率が略ゼロになった時点を、前記第１の期間から前記第２の期間へ移行するタイミングとして選択する保持状態移行判定部と、
前記第２の電圧の印加停止後、前記電流が一旦最小値に到達して前記時間変化率が略ゼロになった時点を、停止期間へ移行するタイミングとして選択する停止状態移行判定部と、
前記電流に基づく前記負荷機器の動作状況を外部へ報せる動作確認部と、
を備えることを特徴とする駆動回路。 A drive circuit for driving a load device including an electrical coil component,
Two DC power lines for receiving power supply;
Separately from the DC power supply 2 line, a signal line for receiving an instruction to stop driving the load device from the outside,
Activates the load device by applying a first voltage to the load device in a first period, the second voltage to the load device in the second period following the first period a switch control unit for the maintaining the drive state of the load device, to stop the application of the second voltage according to an instruction of the drive stop by applying to,
A current detection unit for detecting a current flowing through the load device ;
A time change rate calculating unit for calculating a time change rate of the current;
After start of the application of pre-Symbol first voltage, the time when the time rate of change has reached the maximum value the current is once becomes Ryakuze B, the transition from the first period to the second period time Holding state transition determination unit to select as ,
After stopping the application of said second voltage, the time when the time change rate reaches the minimum value the current is once becomes Ryakuze b, and stopped state transition determination unit for selecting a timing for transition to between arrest phase ,
An operation confirmation unit for reporting the operation status of the load device based on the current to the outside;
Driving circuit comprising: a.
前記動作確認部は、 The operation check unit
前記動作状況を、前記信号線を兼用する通信線、または前記信号線とは別の通信線を介して、外部へ通信する Communicates the operation status to the outside through a communication line that also serves as the signal line or a communication line that is different from the signal line.
ことを特徴とする駆動回路。 A drive circuit characterized by that.
前記動作確認部は、 The operation check unit
前記動作状況を、前記時間変化率の大きい場合を表示するＬＥＤを介して、外部へ報せる The operating status can be reported to the outside via an LED that indicates when the rate of time change is large.
ことを特徴とする駆動回路。 A drive circuit characterized by that.
前記スイッチ制御部は、 The switch control unit
前記直流電源２線から前記負荷機器への通電を、Ｄｕｔｙ０％から１００％のパルス巾変調で制御する The energization from the DC power supply 2 line to the load device is controlled by pulse width modulation from Duty 0% to 100%.
ことを特徴とする駆動回路。 A drive circuit characterized by that.
前記信号線を使用せずに、外部から前記直流電源２線への通電制御によっても、前記負荷機器の前記駆動停止を制御し、 Without using the signal line, by controlling the energization to the DC power supply 2 line from the outside, the driving stop of the load device is controlled,
前記動作確認部は、 The operation check unit
外部から前記直流電源２線への通電制御時には、前記保持状態移行判定部の選択結果に基づいて、前記負荷機器の前記動作状況を外部へ報せる At the time of energization control to the DC power source 2 line from the outside, the operation status of the load device can be reported to the outside based on the selection result of the holding state transition determination unit.
ことを特徴とする駆動回路。 A drive circuit characterized by that.
前記停止期間への移行中に、前記電気的コイル成分の発生する電流エネルギーを電荷として蓄積可能なコンデンサを備える A capacitor capable of storing current energy generated by the electrical coil component as a charge during the transition to the stop period is provided.
ことを特徴とする駆動回路。 A drive circuit characterized by that.
前記停止期間への移行中に、前記電気的コイル成分の発生する電流エネルギーを吸収する抵抗器またはツェナーダイオードを備える A resistor or a Zener diode that absorbs current energy generated by the electrical coil component during the transition to the stop period is provided.
ことを特徴とする駆動回路。 A drive circuit characterized by that.
前記電気的コイル成分を含む前記負荷機器として、ソレノイドコイルを含む電磁弁を駆動する As the load device including the electrical coil component, a solenoid valve including a solenoid coil is driven.
ことを特徴とする駆動回路。 A drive circuit characterized by that.
前記駆動回路は、ソフトウェアに従って動作し、 The drive circuit operates according to software;
前記信号線を介して前記ソフトウェアの書き換えを可能にする The software can be rewritten via the signal line.
ことを特徴とする駆動回路。 A drive circuit characterized by that.
前記動作確認部は、 The operation check unit
前記負荷機器に流れる電流値、前記負荷機器の停止から起動に至る動作時間、および保持から停止に至る動作時間の少なくとも一つに基づいて前記負荷機器の状態を監視し、前記状態と前記負荷機器の要求仕様との比較により前記負荷機器の寿命を判定し、前記寿命を前記負荷機器の前記動作状況として外部へ報せる The state of the load device is monitored based on at least one of a current value flowing through the load device, an operation time from stop to start of the load device, and an operation time from hold to stop, and the state and the load device The life of the load device is determined by comparison with the required specifications, and the life is reported to the outside as the operation status of the load device.
ことを特徴とする駆動回路。 A drive circuit characterized by that.
前記動作確認部は、 The operation check unit
前記負荷機器の前記動作状況を送信することにより、送信先において前記負荷機器の状態監視を可能にする By transmitting the operation status of the load device, it is possible to monitor the state of the load device at the transmission destination
ことを特徴とする駆動回路。 A drive circuit characterized by that.
前記電気的コイル成分を含む前記負荷機器と The load device including the electrical coil component;
を備えることを特徴とする駆動回路付きの負荷機器。 A load device with a drive circuit, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017079283A JP6588049B2 (en) | 2017-03-27 | 2017-03-27 | Drive circuit and load device with drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017079283A JP6588049B2 (en) | 2017-03-27 | 2017-03-27 | Drive circuit and load device with drive circuit |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018162881A JP2018162881A (en) | 2018-10-18 |
| JP2018162881A5 true JP2018162881A5 (en) | 2019-01-31 |
| JP6588049B2 JP6588049B2 (en) | 2019-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017079283A Active JP6588049B2 (en) | 2017-03-27 | 2017-03-27 | Drive circuit and load device with drive circuit |
Country Status (1)
| Country | Link |
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| JP (1) | JP6588049B2 (en) |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61201974A (en) * | 1985-03-04 | 1986-09-06 | Shoketsu Kinzoku Kogyo Co Ltd | Electromagnetic valve manifold |
| JPS62156451A (en) * | 1985-12-28 | 1987-07-11 | 東陶機器株式会社 | Water supply control apparatus |
| JPH0470903A (en) * | 1990-07-04 | 1992-03-05 | Fujitsu Ten Ltd | Load controller |
| DE4201652C2 (en) * | 1992-01-22 | 1997-11-06 | Rexroth Mannesmann Gmbh | Proportional valve with control circuit and mains voltage operation |
| JP3412453B2 (en) * | 1997-06-09 | 2003-06-03 | トヨタ自動車株式会社 | Control device for solenoid |
| JP2002364769A (en) * | 2001-04-02 | 2002-12-18 | Saginomiya Seisakusho Inc | Driving device for fluid control valve and air conditioner |
| JP3911530B2 (en) * | 2003-08-19 | 2007-05-09 | 独立行政法人 宇宙航空研究開発機構 | Solenoid valve for space equipment with operation monitoring device |
| JP4009676B2 (en) * | 2003-08-19 | 2007-11-21 | 独立行政法人 宇宙航空研究開発機構 | Method and apparatus for monitoring operation of solenoid valve |
| JP4482913B2 (en) * | 2005-04-01 | 2010-06-16 | Ｓｍｃ株式会社 | Solenoid valve and solenoid valve drive circuit |
| JP4359855B2 (en) * | 2007-07-09 | 2009-11-11 | Ｓｍｃ株式会社 | Solenoid valve drive circuit and solenoid valve |
| JP5019303B2 (en) * | 2010-03-03 | 2012-09-05 | Ｓｍｃ株式会社 | Electromagnetic valve driving circuit, electromagnetic valve, and electromagnetic valve driving method |
| JP2013002589A (en) * | 2011-06-20 | 2013-01-07 | Hitachi Automotive Systems Ltd | Solenoid module |
| JP6124728B2 (en) * | 2013-08-07 | 2017-05-10 | 本田技研工業株式会社 | Fuel pump control device |
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2017
- 2017-03-27 JP JP2017079283A patent/JP6588049B2/en active Active
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