KR20230028317A - 액위 센서 - Google Patents

액위 센서 Download PDF

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Publication number
KR20230028317A
KR20230028317A KR1020227045828A KR20227045828A KR20230028317A KR 20230028317 A KR20230028317 A KR 20230028317A KR 1020227045828 A KR1020227045828 A KR 1020227045828A KR 20227045828 A KR20227045828 A KR 20227045828A KR 20230028317 A KR20230028317 A KR 20230028317A
Authority
KR
South Korea
Prior art keywords
liquid level
grounding means
float
signal
positive electrode
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.)
Pending
Application number
KR1020227045828A
Other languages
English (en)
Korean (ko)
Inventor
아키라 사사키
Original Assignee
가부시키가이샤 프로테리아루
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 가부시키가이샤 프로테리아루 filed Critical 가부시키가이샤 프로테리아루
Publication of KR20230028317A publication Critical patent/KR20230028317A/ko
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating 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
    • G01F23/64—Indicating 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
    • G01F23/72—Indicating 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
    • G01F23/74—Indicating 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating 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
    • G01F23/56—Indicating 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
    • G01F23/60—Indicating 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating 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
    • G01F23/56—Indicating 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
    • G01F23/62—Indicating 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/80—Arrangements for signal processing
    • G01F23/802—Particular electronic circuits for digital processing equipment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/80—Arrangements for signal processing
    • G01F23/802—Particular electronic circuits for digital processing equipment
    • G01F23/804—Particular electronic circuits for digital processing equipment containing circuits handling parameters other than liquid level
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/80—Arrangements for signal processing
    • G01F23/806—Particular electronic circuits for handling non-digital processing equipment
    • G01F23/808—Particular 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)
KR1020227045828A 2020-06-30 2021-06-29 액위 센서 Pending KR20230028317A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2020-112462 2020-06-30
JP2020112462 2020-06-30
PCT/JP2021/024612 WO2022004739A1 (ja) 2020-06-30 2021-06-29 液位センサ

Publications (1)

Publication Number Publication Date
KR20230028317A true KR20230028317A (ko) 2023-02-28

Family

ID=79316600

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227045828A Pending KR20230028317A (ko) 2020-06-30 2021-06-29 액위 센서

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
JPH0564737A (ja) 1991-09-07 1993-03-19 Hirobumi Onari 化学反応装置

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
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
JP3533457B2 (ja) * 2001-08-07 2004-05-31 株式会社メタルテック 液面検出装置
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
JPH0564737A (ja) 1991-09-07 1993-03-19 Hirobumi Onari 化学反応装置

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
JP7801998B2 (ja) 2026-01-19

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Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20221227

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20240422

Comment text: Request for Examination of Application