EP3992458A4 - PRESSURE PROTECTION CIRCUIT, CONTROL METHOD AND COMPUTER READABLE STORAGE MEDIA - Google Patents

PRESSURE PROTECTION CIRCUIT, CONTROL METHOD AND COMPUTER READABLE STORAGE MEDIA Download PDF

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Publication number
EP3992458A4
EP3992458A4 EP20902060.1A EP20902060A EP3992458A4 EP 3992458 A4 EP3992458 A4 EP 3992458A4 EP 20902060 A EP20902060 A EP 20902060A EP 3992458 A4 EP3992458 A4 EP 3992458A4
Authority
EP
European Patent Office
Prior art keywords
computer
storage medium
control method
readable storage
protection circuit
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.)
Granted
Application number
EP20902060.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3992458B1 (en
EP3992458A1 (en
Inventor
Xiaodong Zhang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, GD Midea Heating and Ventilating Equipment Co Ltd filed Critical Midea Group Co Ltd
Publication of EP3992458A1 publication Critical patent/EP3992458A1/en
Publication of EP3992458A4 publication Critical patent/EP3992458A4/en
Application granted granted Critical
Publication of EP3992458B1 publication Critical patent/EP3992458B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • F04B49/02—Stopping, starting, unloading or idling control
    • 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
    • F04B49/02—Stopping, starting, unloading or idling control
    • F04B49/022—Stopping, starting, unloading or idling control by means of pressure
    • 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
    • F04B49/08—Regulating by delivery pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0292—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
EP20902060.1A 2019-12-16 2020-02-24 Pressure protection circuit, control method, and computer-readable storage medium Active EP3992458B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911300233.2A CN111005862B (zh) 2019-12-16 2019-12-16 压力保护电路、控制方法和计算机可读存储介质
PCT/CN2020/076442 WO2021120388A1 (zh) 2019-12-16 2020-02-24 压力保护电路、控制方法和计算机可读存储介质

Publications (3)

Publication Number Publication Date
EP3992458A1 EP3992458A1 (en) 2022-05-04
EP3992458A4 true EP3992458A4 (en) 2022-09-28
EP3992458B1 EP3992458B1 (en) 2024-09-18

Family

ID=70116410

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20902060.1A Active EP3992458B1 (en) 2019-12-16 2020-02-24 Pressure protection circuit, control method, and computer-readable storage medium

Country Status (3)

Country Link
EP (1) EP3992458B1 (zh)
CN (1) CN111005862B (zh)
WO (1) WO2021120388A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110594953A (zh) 2019-09-09 2019-12-20 广东美的暖通设备有限公司 压缩机驱动装置、压缩机压力保护方法及空调器
CN111541220A (zh) * 2020-06-02 2020-08-14 广东美的暖通设备有限公司 驱动控制电路、方法、装置和空调器
CN114069564A (zh) * 2020-08-05 2022-02-18 上海汽车集团股份有限公司 继电器保护电路、方法、电池管理系统及电动车辆

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010181110A (ja) * 2009-02-06 2010-08-19 Mitsubishi Electric Corp 冷凍サイクル装置
CN106684818A (zh) * 2017-03-13 2017-05-17 广东美的暖通设备有限公司 过压保护电路、过压保护方法和过压保护装置
CN107580750A (zh) * 2015-04-16 2018-01-12 大金工业株式会社 空调机的逆变器驱动装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2348517Y (zh) * 1998-08-28 1999-11-10 宝山钢铁(集团)公司 交流接触器主触头故障保护装置
JP2004324966A (ja) * 2003-04-23 2004-11-18 Aisin Seiki Co Ltd エンジン駆動式空調装置の制御方法
JP4222227B2 (ja) * 2004-03-04 2009-02-12 パナソニック株式会社 ヒートポンプ式給湯機の制御装置
CN1955596A (zh) * 2005-10-28 2007-05-02 乐金电子(天津)电器有限公司 空气调和器及其压缩机逆方向运行的控制方法
JP2014165945A (ja) * 2013-02-21 2014-09-08 Mitsubishi Heavy Ind Ltd 圧縮機モータの駆動装置及び空気調和機
CN105757908B (zh) * 2016-04-08 2018-09-04 广东美的制冷设备有限公司 空调器控制方法及装置
CN107143985B (zh) * 2017-06-26 2020-01-31 广东美的暖通设备有限公司 一种用于空调系统压力保护的装置和空调系统
CN107084514B (zh) * 2017-06-26 2020-09-15 广东美的暖通设备有限公司 一种用于空调系统压力保护的装置和空调系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010181110A (ja) * 2009-02-06 2010-08-19 Mitsubishi Electric Corp 冷凍サイクル装置
CN107580750A (zh) * 2015-04-16 2018-01-12 大金工业株式会社 空调机的逆变器驱动装置
CN106684818A (zh) * 2017-03-13 2017-05-17 广东美的暖通设备有限公司 过压保护电路、过压保护方法和过压保护装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021120388A1 *

Also Published As

Publication number Publication date
WO2021120388A1 (zh) 2021-06-24
EP3992458B1 (en) 2024-09-18
CN111005862B (zh) 2022-02-15
CN111005862A (zh) 2020-04-14
EP3992458A1 (en) 2022-05-04

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