JP2017089983A - 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
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- JP2017089983A JP2017089983A JP2015221463A JP2015221463A JP2017089983A JP 2017089983 A JP2017089983 A JP 2017089983A JP 2015221463 A JP2015221463 A JP 2015221463A JP 2015221463 A JP2015221463 A JP 2015221463A JP 2017089983 A JP2017089983 A JP 2017089983A
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 71
- 238000005057 refrigeration Methods 0.000 title claims abstract description 57
- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 76
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 19
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
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Classifications
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Examining Or Testing Airtightness (AREA)
- Air Conditioning Control Device (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
【解決手段】所定周波数の超音波を送信する超音波送信部1と、この超音波送信部1が送信した超音波を受信する超音波受信部2と、超音波送信部1が送信した超音波を超音波受信部2が受信したか否かを判断する超音波受信判断部3と、超音波受信判断部3が超音波送信部1の送信した超音波を超音波受信部2が受信しなかったと判断した際に外部に漏洩発生を告知する漏洩告知部4とからなる冷凍サイクルにおける冷媒漏洩検知装置。
【選択図】図1
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 (6)
- 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、所定周波数の超音波を送信する超音波送信部と、この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、前記超音波送信部が送信した超音波を前記超音波受信部が受信したか否かを判断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た際に外部に漏洩発生を告知する漏洩告知部とから成り、前記超音波送信部と前記超音波受信部とは、前記冷媒が流通する配管部の外面に対向状態に設けた構成とし、この対向状態に設けた前記超音波送信部と前記超音波受信部との間を前記冷媒が流通している状態において、前記超音波受信部に向けて前記超音波送信部から前記超音波を送信し、この超音波送信部が送信した前記超音波を前記超音波受信部が受信したか否かを前記超音波受信判断部で判断し、この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た際に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した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。
- 前記超音波送信部が送信する超音波の前記所定周波数は、3MHz以下であ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。
- 前記超音波送信部及び前記超音波受信部は、前記冷凍サイクルの凝縮器よりも下流位置で且つ膨張弁よりも上流位置に設けた構成とした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した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。
- 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1〜4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を設けた構成としたことを特徴とする請求項1〜5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 |
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 |
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 |
US15/748,715 US11150156B2 (en) | 2015-11-11 | 2016-02-15 | Device for detecting refrigerant leak in refrigeration cycle |
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)
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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 true JP2017089983A (ja) | 2017-05-25 |
JP2017089983A5 JP2017089983A5 (ja) | 2017-08-24 |
JP6212529B2 JP6212529B2 (ja) | 2017-10-11 |
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Family Applications (1)
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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) |
Cited By (1)
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JP2017133817A (ja) * | 2016-01-30 | 2017-08-03 | 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 |
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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 |
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 |
DE102019125070B4 (de) * | 2019-09-18 | 2022-10-06 | Ford Global Technologies, Llc | Verfahren zur Steuerung eines Kältekreislaufs, Kältekreislauf, Wärmemanagementsystem 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 |
US12117191B2 (en) | 2022-06-24 | 2024-10-15 | Trane International Inc. | Climate control system with improved leak detector |
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 |
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2016
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- 2016-02-15 US US15/748,715 patent/US11150156B2/en active Active
- 2016-02-15 CN CN201680044357.7A patent/CN107923683B/zh active Active
- 2016-02-15 EP EP16863836.9A patent/EP3376139B1/en active Active
- 2016-03-17 TW TW105108271A patent/TWI680286B/zh active
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JP2017133817A (ja) * | 2016-01-30 | 2017-08-03 | 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 |
Also Published As
Publication number | Publication date |
---|---|
CN107923683A (zh) | 2018-04-17 |
CN107923683B (zh) | 2020-06-16 |
US11150156B2 (en) | 2021-10-19 |
EP3376139A1 (en) | 2018-09-19 |
JP6212529B2 (ja) | 2017-10-11 |
EP3376139B1 (en) | 2020-05-06 |
WO2017081872A1 (ja) | 2017-05-18 |
TWI680286B (zh) | 2019-12-21 |
EP3376139A4 (en) | 2019-05-22 |
US20190011325A1 (en) | 2019-01-10 |
TW201716761A (zh) | 2017-05-16 |
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