JP6212529B2 - 冷凍サイクルにおける冷媒漏洩検知装置 - Google Patents
冷凍サイクルにおける冷媒漏洩検知装置 Download PDFInfo
- Publication number
- JP6212529B2 JP6212529B2 JP2015221463A JP2015221463A JP6212529B2 JP 6212529 B2 JP6212529 B2 JP 6212529B2 JP 2015221463 A JP2015221463 A JP 2015221463A JP 2015221463 A JP2015221463 A JP 2015221463A JP 6212529 B2 JP6212529 B2 JP 6212529B2
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- unit
- ultrasonic wave
- refrigeration cycle
- reception
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/005—Arrangement or mounting of control or safety devices of safety devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
- G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2965—Measuring attenuation of transmitted waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
- F25B2500/222—Detecting refrigerant leaks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Examining Or Testing Airtightness (AREA)
- Air Conditioning Control Device (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
2 超音波受信部
3 超音波受信判断部
4 漏洩告知部
5 配管部
6 凝縮器
7 膨張弁
8 圧縮機
9 データ記録部
Claims (4)
- 冷凍機又は空調機の冷凍サイクル内を流通する冷媒の漏洩の有無を検知する冷凍サイクルにおける冷媒漏洩検知装置であって、前記冷凍サイクルの凝縮器と膨張弁とを連結する配管部の外面で且つ前記凝縮器の下流側位置で尚且つ前記膨張弁の上流側位置に設けられ、3MHz以下で且つ気泡の存在により伝搬が遮断される周波数の超音波を送信する超音波送信部と、前記配管部に前記音波送信部と対向状態に設けられ、前記超音波送信部が送信した前記超音波を受信する超音波受信部と、前記超音波送信部からの超音波を送信している信号と、前記超音波受信部からの前記超音波送信部が送信した超音波を受信している信号とを受信し、前記超音波送信部からの超音波を送信している信号を受信しているにもかかわらず、前記超音波受信部からの前記超音波送信部が送信した超音波を受信している信号が受信できなかった場合、前記超音波送信部と前記超音波受信部との間の超音波の送受信が正常に行われていないと判断して信号を出力する超音波受信判断部と、前記超音波受信判断部が前記超音波送信部と前記超音波受信部との間の超音波の送受信が正常に行われていないと判断して出力した信号を受信し外部に漏洩発生を告知する漏洩告知部とから成り、前記冷凍サイクル内を前記冷媒が流通している状態において、漏洩により発生した気泡が前記超音波送信部と前記超音波受信部との間を通過することにより、前記音波送信部から送信された超音波の前記超音波受信部への伝播が遮断された状態が生じ、前記超音波送信部からの超音波を送信している信号を受信しているにもかかわらず、前記超音波受信部からの前記超音波送信部が送信した超音波を受信している信号が受信できない状態が生じた場合、前記超音波受信判断部が前記漏洩告知部に信号を出力し、この漏洩告知部が外部に漏洩発生を告知するように構成されていることを特徴とする冷凍サイクルにおける冷媒漏洩検知装置。
- 前記冷凍サイクルの圧縮機がインバータ制御されるタイプである場合は、前記冷凍機又は空調機が所定時間以上連続運転している状態において、前記所定時間内、前記超音波送信部が超音波を送信し続け、この超音波送信部が送信した超音波を前記超音波受信部が前記所定時間内に一度も受信しなかった場合に、前記超音波受信判断部が前記超音波送信部の送信した超音波を前記超音波受信部が受信しなかったと判断して前記漏洩告知部が外部に漏洩発生を告知するように構成されていることを特徴とする請求項1記載の冷凍サイクルにおける冷媒漏洩検知装置。
- 前記超音波受信判断部または前記漏洩告知部の出力データを自動的に保存するデータ記録部を備えることを特徴とする請求項1,2のいずれか1項に記載の冷凍サイクルにおける冷媒漏洩検知装置。
- 前記冷凍サイクルの凝縮器の下流側位置で且つ前記超音波受信部の上流側位置に気泡分離装置が設けられていることを特徴とする請求項1〜3のいずれか1項に記載の冷凍サイクルにおける冷媒漏洩検知装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015221463A JP6212529B2 (ja) | 2015-11-11 | 2015-11-11 | 冷凍サイクルにおける冷媒漏洩検知装置 |
US15/748,715 US11150156B2 (en) | 2015-11-11 | 2016-02-15 | Device for detecting refrigerant leak in refrigeration cycle |
PCT/JP2016/054305 WO2017081872A1 (ja) | 2015-11-11 | 2016-02-15 | 冷凍サイクルにおける冷媒漏洩検知装置 |
EP16863836.9A EP3376139B1 (en) | 2015-11-11 | 2016-02-15 | A system comprising a refrigeration cycle and a device for detecting refrigerant leakage in the refrigeration cycle |
CN201680044357.7A CN107923683B (zh) | 2015-11-11 | 2016-02-15 | 制冷循环中的制冷剂泄漏检测装置 |
TW105108271A TWI680286B (zh) | 2015-11-11 | 2016-03-17 | 製冷迴圈的冷媒洩漏檢測裝置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015221463A JP6212529B2 (ja) | 2015-11-11 | 2015-11-11 | 冷凍サイクルにおける冷媒漏洩検知装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2017089983A JP2017089983A (ja) | 2017-05-25 |
JP2017089983A5 JP2017089983A5 (ja) | 2017-08-24 |
JP6212529B2 true JP6212529B2 (ja) | 2017-10-11 |
Family
ID=58694954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015221463A Active JP6212529B2 (ja) | 2015-11-11 | 2015-11-11 | 冷凍サイクルにおける冷媒漏洩検知装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11150156B2 (ja) |
EP (1) | EP3376139B1 (ja) |
JP (1) | JP6212529B2 (ja) |
CN (1) | CN107923683B (ja) |
TW (1) | TWI680286B (ja) |
WO (1) | WO2017081872A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6475647B2 (ja) * | 2016-01-30 | 2019-02-27 | 株式会社 ナンバ | 冷凍サイクルにおける冷媒漏洩検知装置 |
CN110043810A (zh) * | 2019-05-23 | 2019-07-23 | 山东省科学院激光研究所 | 管道缺陷的检测方法、传感器及传感器的封装方法 |
DE102019118909A1 (de) * | 2019-07-12 | 2021-01-14 | Vaillant Gmbh | Verfahren und Vorrichtung zur Feststellung und Bewertung von Blasen in einer Flüssigkeit in einem Kreislauf, insbesondere bei einem Wärmepumpensystem |
US11231198B2 (en) | 2019-09-05 | 2022-01-25 | Trane International Inc. | Systems and methods for refrigerant leak detection in a climate control system |
DE102019125070B4 (de) * | 2019-09-18 | 2022-10-06 | Ford Global Technologies, Llc | Verfahren zur Steuerung eines Kältekreislaufs, Kältekreislauf, Wärmemanagementsystem und Fahrzeug |
CN110567178A (zh) * | 2019-09-18 | 2019-12-13 | 中国人民武装警察部队工程大学 | 一种带有进水预警停机功能的水冷式冷水机组 |
DE102019125072B4 (de) * | 2019-09-18 | 2021-11-11 | Ford Global Technologies, Llc | Kältekreislauf und Fahrzeug |
TWI815020B (zh) * | 2020-06-29 | 2023-09-11 | 威光自動化科技股份有限公司 | 氣體洩漏感測方法 |
CN114354087A (zh) * | 2021-12-18 | 2022-04-15 | 上海马勒热系统有限公司 | 四流程冷凝器超声波内漏检测方法 |
CN118224795B (zh) * | 2024-05-21 | 2024-07-30 | 徐州达希能源技术有限公司 | 一种基于多源数据分析控制的制冷系统 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0319133A3 (en) * | 1987-11-30 | 1990-12-19 | Kent-Moore Corporation | Ultrasonic hand-held refrigerant leak detector |
JPH0452472A (ja) * | 1990-06-19 | 1992-02-20 | Mitsubishi Heavy Ind Ltd | 冷凍装置の故障表示装置 |
JPH06241528A (ja) * | 1993-02-18 | 1994-08-30 | Mitsubishi Denki Bill Techno Service Kk | 空調機の異常検出装置 |
JPH10103820A (ja) | 1996-09-27 | 1998-04-24 | Sanyo Electric Co Ltd | 冷凍装置 |
JPH11230648A (ja) * | 1998-02-13 | 1999-08-27 | Matsushita Electric Ind Co Ltd | 可燃性冷媒を用いた冷凍機器の冷媒漏洩警報装置 |
JP2000130897A (ja) * | 1998-10-27 | 2000-05-12 | Hitachi Ltd | 冷媒封入量判定装置及び方法 |
JP2000320937A (ja) * | 1999-05-11 | 2000-11-24 | Fuji Electric Co Ltd | 冷媒漏れ検知装置 |
JP3864264B2 (ja) * | 1999-09-30 | 2006-12-27 | 株式会社日立製作所 | 冷凍空調圧縮機 |
JP2003014703A (ja) * | 2001-07-04 | 2003-01-15 | Sanshin Denshi:Kk | 超音波気泡検出装置 |
JP2003042631A (ja) * | 2001-08-01 | 2003-02-13 | Sanyo Electric Co Ltd | 冷設機器管理システム |
US20040091076A1 (en) * | 2002-11-08 | 2004-05-13 | Pacific Gas & Electric Company | Method and system for nondestructive inspection of components |
JP2005041252A (ja) * | 2003-07-22 | 2005-02-17 | Mitsubishi Heavy Ind Ltd | 車両用空調装置 |
JP3834030B2 (ja) * | 2003-12-12 | 2006-10-18 | 株式会社不二工機 | 冷媒状態検出装置 |
JP4265982B2 (ja) * | 2004-02-25 | 2009-05-20 | 三菱電機株式会社 | 機器診断装置、冷凍サイクル装置、冷凍サイクル監視システム |
JP2005351771A (ja) * | 2004-06-10 | 2005-12-22 | Tokyo Electric Power Co Inc:The | 超音波キャビテーション発生装置およびドップラー式超音波流量計 |
JP2007322139A (ja) * | 2006-05-30 | 2007-12-13 | Sumitomo Chemical Co Ltd | 導管内を流れる液体中の気泡流量の定量方法 |
JP4990702B2 (ja) * | 2007-07-19 | 2012-08-01 | シャープ株式会社 | 冷媒漏洩検出装置、空気調和機及び冷媒漏洩検出方法 |
US8402816B2 (en) * | 2010-12-30 | 2013-03-26 | Schneider Electric It Corporation | Systems and methods for detecting leaks |
US8542124B2 (en) * | 2011-07-21 | 2013-09-24 | Axiom Technologies Inc. | Acoustic leak detector |
CN204373863U (zh) * | 2015-01-27 | 2015-06-03 | 南京新途机械设备有限公司 | 车载空调热交换器内漏检测设备 |
-
2015
- 2015-11-11 JP JP2015221463A patent/JP6212529B2/ja active Active
-
2016
- 2016-02-15 CN CN201680044357.7A patent/CN107923683B/zh active Active
- 2016-02-15 EP EP16863836.9A patent/EP3376139B1/en active Active
- 2016-02-15 WO PCT/JP2016/054305 patent/WO2017081872A1/ja unknown
- 2016-02-15 US US15/748,715 patent/US11150156B2/en active Active
- 2016-03-17 TW TW105108271A patent/TWI680286B/zh active
Also Published As
Publication number | Publication date |
---|---|
US11150156B2 (en) | 2021-10-19 |
EP3376139B1 (en) | 2020-05-06 |
TWI680286B (zh) | 2019-12-21 |
CN107923683A (zh) | 2018-04-17 |
US20190011325A1 (en) | 2019-01-10 |
EP3376139A4 (en) | 2019-05-22 |
WO2017081872A1 (ja) | 2017-05-18 |
TW201716761A (zh) | 2017-05-16 |
JP2017089983A (ja) | 2017-05-25 |
EP3376139A1 (en) | 2018-09-19 |
CN107923683B (zh) | 2020-06-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6212529B2 (ja) | 冷凍サイクルにおける冷媒漏洩検知装置 | |
JP2017089983A5 (ja) | ||
JP4412385B2 (ja) | 冷凍サイクル装置の冷媒漏れ検知方法 | |
US20230184572A1 (en) | Ultrasonic water meter | |
JP2008128824A (ja) | 超音波流量計 | |
EP3321644A1 (en) | Fluid flow monitoring unit | |
JP5140464B2 (ja) | 超音波ガスメータ | |
KR100781716B1 (ko) | 저장부가 구비된 수충격 방지장치 | |
JP2017116458A (ja) | 超音波流量計 | |
JP2011180055A (ja) | 超音波式ガスメーター | |
JP3374365B2 (ja) | ガスメータ | |
JP5194684B2 (ja) | 流量計測装置とこの装置を用いたガス供給システム | |
JP2012002708A (ja) | 超音波ガスメータ | |
JP4592268B2 (ja) | メータ装置 | |
JP2004020395A (ja) | 流量計 | |
CN205449181U (zh) | 基于超声波的煤矿束管堵塞检测设备及其流量监测模块 | |
JP2004020394A (ja) | 流量計 | |
JP6120369B2 (ja) | 超音波流量計 | |
JP2023149994A (ja) | ガス遮断装置 | |
JP6355416B2 (ja) | ガス遮断装置 | |
JP7203355B2 (ja) | ガスメータ | |
JP6309864B2 (ja) | ガス遮断装置 | |
JP6325884B2 (ja) | ガス遮断装置 | |
JP6283565B2 (ja) | 超音波流量計及び伝搬長異常検出方法 | |
JP6408307B2 (ja) | ガス遮断装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170710 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170711 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20170711 |
|
A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20170801 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170803 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170804 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20170907 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170915 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6212529 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |