JP7155514B2 - 電気機器 - Google Patents
電気機器 Download PDFInfo
- Publication number
- JP7155514B2 JP7155514B2 JP2017241063A JP2017241063A JP7155514B2 JP 7155514 B2 JP7155514 B2 JP 7155514B2 JP 2017241063 A JP2017241063 A JP 2017241063A JP 2017241063 A JP2017241063 A JP 2017241063A JP 7155514 B2 JP7155514 B2 JP 7155514B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power supply
- driving
- air compressor
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3296—Power saving characterised by the action undertaken by lowering the supply or operating voltage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
- H02H7/0854—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load responsive to rate of change of current, couple or speed, e.g. anti-kickback protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/09—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against over-voltage; against reduction of voltage; against phase interruption
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B2203/00—Motor parameters
- F04B2203/02—Motor parameters of rotating electric motors
- F04B2203/0201—Current
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B2203/00—Motor parameters
- F04B2203/02—Motor parameters of rotating electric motors
- F04B2203/0202—Voltage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Description
図1は、本実施の形態のエアコンプレッサの制御系の一例を示す機能ブロック図、図2は、本実施の形態のエアコンプレッサの一例を示す一部破断斜視図である。
図5は、待機電圧の取得処理の一例を示すフローチャート、図6は、駆動電圧の取得処理の一例を示すフローチャート、図7は、駆動電流の取得処理の一例を示すフローチャート、図8は、許容電圧の取得処理の一例を示すフローチャートであり、次に、本実施の形態のエアコンプレッサ1Aの動作例について、各図を参照して説明する。
電源10に接続されたエアコンプレッサ1A及び他の電気機器12が非駆動の状態で、電源10に接続されたエアコンプレッサ1Aにより電源電圧を待機電圧Vrefとして取得することで、延長コードの使用等で電圧降下が生じている場合、これに応じた待機電圧Vrefが取得される。
Claims (3)
- 電源に接続されて使用され、同電源に接続された他の電気機器の駆動に応じた電源電圧の変動に応じて運転を変化させる電気機器であって、
前記電源から供給される電気で駆動される駆動手段と、
前記電源の電源電圧を検出する電圧検出手段と、
前記駆動手段を駆動することで流れる電流を検出する電流検出手段と、
前記駆動手段の非駆動時に前記電圧検出手段で検出した待機電圧から前記駆動手段の駆動時に前記電圧検出手段で検出した駆動電圧を差し引いた値を前記駆動手段の駆動時に前記電流検出手段で検出した駆動電流で除算して求めた電源抵抗と、前記電源を遮断する遮断器が非作動となる許容電流との乗算に基づいて前記遮断器が非作動となる許容降下電圧を求め、前記待機電圧から前記電源に接続される自機及び前記他の電気機器の少なくとも一つの駆動時における駆動中電圧を差し引いた降下電圧が前記許容降下電圧以上であると、前記駆動手段を停止又は前記駆動手段の出力を低下させる制御手段と
を備えた電気機器。 - 前記制御手段は、前記降下電圧が前記許容降下電圧のn倍以上である閾値以上であると、前記駆動手段を一時停止させ、前記降下電圧が前記許容降下電圧以上前記閾値未満であると、前記駆動手段の出力を一時低下させる
請求項1に記載の電気機器。 - 前記制御手段は、前記閾値に対する前記降下電圧の大小に応じて前記駆動手段の運転を変化させると共に、報知を行う
請求項2に記載の電気機器。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017241063A JP7155514B2 (ja) | 2017-12-15 | 2017-12-15 | 電気機器 |
US16/220,176 US10423219B2 (en) | 2017-12-15 | 2018-12-14 | Electrical apparatus |
EP18212841.3A EP3499036B1 (en) | 2017-12-15 | 2018-12-17 | Electrical apparatus |
DK18212841.3T DK3499036T3 (da) | 2017-12-15 | 2018-12-17 | Elektrisk indretning |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017241063A JP7155514B2 (ja) | 2017-12-15 | 2017-12-15 | 電気機器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019108826A JP2019108826A (ja) | 2019-07-04 |
JP7155514B2 true JP7155514B2 (ja) | 2022-10-19 |
Family
ID=64665756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017241063A Active JP7155514B2 (ja) | 2017-12-15 | 2017-12-15 | 電気機器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10423219B2 (ja) |
EP (1) | EP3499036B1 (ja) |
JP (1) | JP7155514B2 (ja) |
DK (1) | DK3499036T3 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006052660A (ja) | 2004-08-10 | 2006-02-23 | Hitachi Koki Co Ltd | 空気圧縮機及びそれを用いたブレーカ作動防止システム |
JP2006288053A (ja) | 2005-03-31 | 2006-10-19 | Hitachi Ltd | 電気機器 |
JP2009174416A (ja) | 2008-01-24 | 2009-08-06 | Max Co Ltd | エアコンプレッサ |
JP2010007537A (ja) | 2008-06-26 | 2010-01-14 | Max Co Ltd | エアコンプレッサおよびモータ駆動制御方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19918930B4 (de) | 1999-04-26 | 2006-04-27 | Lg Electronics Inc. | Leistungssteuervorrichtung für einen Linearkompressor und ebensolches Verfahren |
ITTO20040092A1 (it) | 2003-03-31 | 2004-05-18 | Hitachi Kokico Ltd | Compressore d'aria e metodo per il suo comando |
JP4543781B2 (ja) | 2004-06-25 | 2010-09-15 | トヨタ自動車株式会社 | 電源装置 |
US7408310B2 (en) * | 2005-04-08 | 2008-08-05 | Lg Electronics Inc. | Apparatus for controlling driving of reciprocating compressor and method thereof |
JP6613698B2 (ja) | 2015-08-07 | 2019-12-04 | マックス株式会社 | エアコンプレッサ |
KR20180085316A (ko) * | 2017-01-18 | 2018-07-26 | 엘지전자 주식회사 | 리니어 압축기의 제어 장치 |
-
2017
- 2017-12-15 JP JP2017241063A patent/JP7155514B2/ja active Active
-
2018
- 2018-12-14 US US16/220,176 patent/US10423219B2/en active Active
- 2018-12-17 DK DK18212841.3T patent/DK3499036T3/da active
- 2018-12-17 EP EP18212841.3A patent/EP3499036B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006052660A (ja) | 2004-08-10 | 2006-02-23 | Hitachi Koki Co Ltd | 空気圧縮機及びそれを用いたブレーカ作動防止システム |
JP2006288053A (ja) | 2005-03-31 | 2006-10-19 | Hitachi Ltd | 電気機器 |
JP2009174416A (ja) | 2008-01-24 | 2009-08-06 | Max Co Ltd | エアコンプレッサ |
JP2010007537A (ja) | 2008-06-26 | 2010-01-14 | Max Co Ltd | エアコンプレッサおよびモータ駆動制御方法 |
Also Published As
Publication number | Publication date |
---|---|
DK3499036T3 (da) | 2020-07-27 |
EP3499036B1 (en) | 2020-05-20 |
US20190187777A1 (en) | 2019-06-20 |
EP3499036A1 (en) | 2019-06-19 |
JP2019108826A (ja) | 2019-07-04 |
US10423219B2 (en) | 2019-09-24 |
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