JP7801998B2 - 液位センサ - Google Patents

液位センサ

Info

Publication number
JP7801998B2
JP7801998B2 JP2022534052A JP2022534052A JP7801998B2 JP 7801998 B2 JP7801998 B2 JP 7801998B2 JP 2022534052 A JP2022534052 A JP 2022534052A JP 2022534052 A JP2022534052 A JP 2022534052A JP 7801998 B2 JP7801998 B2 JP 7801998B2
Authority
JP
Japan
Prior art keywords
liquid level
grounding means
float
signal output
grounding
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.)
Active
Application number
JP2022534052A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022004739A5 (https=
JPWO2022004739A1 (https=
Inventor
章 佐々木
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.)
Kuwana Metals Ltd
Original Assignee
Kuwana Metals 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 Kuwana Metals Ltd filed Critical Kuwana Metals Ltd
Publication of JPWO2022004739A1 publication Critical patent/JPWO2022004739A1/ja
Publication of JPWO2022004739A5 publication Critical patent/JPWO2022004739A5/ja
Application granted granted Critical
Publication of JP7801998B2 publication Critical patent/JP7801998B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/64Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
    • G01F23/72Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
    • G01F23/74Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means for sensing changes in level only at discrete points
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/56Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
    • G01F23/60Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using electrically actuated indicating means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/56Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
    • G01F23/62Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using magnetically actuated indicating means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/80Arrangements for signal processing
    • G01F23/802Particular electronic circuits for digital processing equipment
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/80Arrangements for signal processing
    • G01F23/802Particular electronic circuits for digital processing equipment
    • G01F23/804Particular electronic circuits for digital processing equipment containing circuits handling parameters other than liquid level
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/80Arrangements for signal processing
    • G01F23/806Particular electronic circuits for handling non-digital processing equipment
    • G01F23/808Particular electronic circuits for handling non-digital processing equipment containing circuits handling parameters other than liquid level

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Level Indicators Using A Float (AREA)
JP2022534052A 2020-06-30 2021-06-29 液位センサ Active JP7801998B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020112462 2020-06-30
JP2020112462 2020-06-30
PCT/JP2021/024612 WO2022004739A1 (ja) 2020-06-30 2021-06-29 液位センサ

Publications (3)

Publication Number Publication Date
JPWO2022004739A1 JPWO2022004739A1 (https=) 2022-01-06
JPWO2022004739A5 JPWO2022004739A5 (https=) 2023-03-16
JP7801998B2 true JP7801998B2 (ja) 2026-01-19

Family

ID=79316600

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022534052A Active JP7801998B2 (ja) 2020-06-30 2021-06-29 液位センサ

Country Status (5)

Country Link
US (1) US12253402B2 (https=)
JP (1) JP7801998B2 (https=)
KR (1) KR20230028317A (https=)
CN (1) CN115735102A (https=)
WO (1) WO2022004739A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2024048134A1 (https=) 2022-09-01 2024-03-07

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003050151A (ja) 2001-08-07 2003-02-21 Yashima Kogyo Kk 液面検出装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060803A (en) * 1976-02-09 1977-11-29 Audio Alert, Inc. Security alarm system with audio monitoring capability
JPH0241544Y2 (https=) * 1985-08-13 1990-11-06
JPH031772Y2 (https=) * 1985-12-23 1991-01-18
US4924703A (en) 1989-05-05 1990-05-15 Midland Manufacturing Corp. Tank-level alarm control system
JP3282196B2 (ja) 1991-09-07 2002-05-13 博文 大成 化学反応装置
JPH0564737U (ja) 1992-02-13 1993-08-27 日本酸素株式会社 可搬式圧力容器内流体の遠隔残量検出装置
JPH0729423U (ja) * 1993-11-08 1995-06-02 文化貿易工業株式会社 マグネット式液面計用点灯指示器
JP4300165B2 (ja) 2004-08-02 2009-07-22 株式会社ノーケン 位置検出器およびこれを用いた液面レベルセンサ
GB0915124D0 (en) * 2009-09-01 2009-10-07 Hillriver Ltd Fuel level sensing device
CN206841418U (zh) * 2017-05-19 2018-01-05 北京新能源汽车股份有限公司 储液罐液位报警装置、制动系统和车辆
CN208187507U (zh) * 2018-03-13 2018-12-04 重庆精科仪表制造有限责任公司 一种自动校零的远传磁性浮子液位计

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003050151A (ja) 2001-08-07 2003-02-21 Yashima Kogyo Kk 液面検出装置

Also Published As

Publication number Publication date
CN115735102A (zh) 2023-03-03
US20230258491A1 (en) 2023-08-17
WO2022004739A1 (ja) 2022-01-06
US12253402B2 (en) 2025-03-18
JPWO2022004739A1 (https=) 2022-01-06
KR20230028317A (ko) 2023-02-28

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